Apple Pay Casino UK: How Apple Pay Casinos Work in 2026
Apple Pay casinos in the UK are not a separate category of gambling site. They are ordinary licensed operators that happen to accept Apple's wallet at the cashier. That distinction matters more than most guides admit, because it changes what you can realistically expect from deposits, withdrawals and the payout clock. This page covers how the payment actually behaves across 100+ UK-licensed brands, which operators handle it well, and where the friction hides.
Apple Pay launched in the UK in July 2015. Eleven years later it is the default tap-to-pay method for a large share of British cardholders, and gambling operators have spent most of that time working out how to fit a wallet designed for coffee shops into a regulatory framework designed for high-risk merchants. The result is a payment method that is fast on deposit, slower on withdrawal, and heavily shaped by UK Gambling Commission rules that have nothing to do with Apple.
What Is an Apple Pay Casino and How Does It Actually Work?
An Apple Pay casino is a UK Gambling Commission licensed operator that lists Apple Pay as a deposit option at the cashier. The money does not travel from your bank to the casino directly. Apple Pay generates a device-specific token, the token is passed to the operator's payment processor, and the processor charges the underlying card you loaded into Wallet. Your real card number never touches the casino's servers.
Is Apple Pay a payment method or just a card in disguise?
It is a card in disguise, and that is the honest answer. Every Apple Pay deposit is a card transaction underneath. The card scheme, the issuer and the acquirer all sit in the chain. Apple adds a tokenisation layer and biometric authentication, nothing more. So when a casino says "card payments take 1-3 working days to withdraw," that timeframe applies to Apple Pay too, because the withdrawal routes back to the same card network.
Understanding this kills a persistent myth: that Apple Pay is a separate e-wallet with its own balance. It is not. There is no Apple Pay account holding your money. You cannot top up Apple Pay. You cannot withdraw to Apple Pay as a destination. You withdraw to the card behind it, and the card issuer decides how fast that lands.
Which UK operators accept Apple Pay in 2026?
Acceptance is now close to universal among large UK-licensed brands. Bet365 casino, William Hill casino, Sky Bet casino, Ladbrokes casino, Paddy Power casino, Coral casino, Betfred casino, Betfair casino, Unibet casino, 888 Casino, LeoVegas casino, MrQ casino, Grosvenor Casinos, Genting Casino and Casumo casino all support it. Smaller and offshore-facing brands such as Roobet casino, Gamdom casino and Mystake casino generally do not, because they operate outside UK card processing.
| Operator | Apple Pay Deposit | Minimum Deposit | Withdrawal Route | Typical Payout Time |
|---|---|---|---|---|
| Bet365 casino | Yes | £5 | Debit card / bank | 1-3 working days |
| William Hill casino | Yes | £5 | Debit card | 1-3 working days |
| Sky Bet casino | Yes | £5 | Debit card | 1-3 working days |
| Ladbrokes casino | Yes | £5 | Debit card | 1-3 working days |
| Paddy Power casino | Yes | £5 | Debit card | 1-3 working days |
| Betfred casino | Yes | £5 | Debit card | 1-3 working days |
| MrQ casino | Yes | £10 | Debit card | 1-3 working days |
| LeoVegas casino | Yes | £10 | Debit card | 1-3 working days |
| Unibet casino | Yes | £10 | Debit card | 1-3 working days |
| Casumo casino | Yes | £10 | Debit card | 1-3 working days |
Why is Apple Pay so popular for casino deposits?
Speed and friction removal. A card deposit at a UK casino typically requires typing 16 digits, an expiry date, a CVV and sometimes a 3D Secure redirect to your banking app. Apple Pay replaces all of that with a double-click and Face ID or Touch ID. On mobile, where roughly three-quarters of UK casino deposits now happen, that difference is measured in seconds, and seconds convert.
There is also a privacy angle that gets overstated in marketing copy but is real. The casino receives a device account number, not your card number. If the operator's database is ever compromised, your actual card details are not sitting in it. That is a genuine security improvement, though it does not protect you from the operator knowing exactly who you are, which it does anyway through KYC.
Myth vs Reality: What Apple Pay Casinos Get Wrong
Search results for Apple Pay casinos are crowded with claims that do not survive contact with a real cashier page. Instant withdrawals. Anonymous gambling. No card fees. Each of these has a grain of truth wrapped around a much larger misunderstanding, and the gap between the two is where players get frustrated.
Do Apple Pay casinos offer instant withdrawals?
No, and any site promising this is describing something else. Apple Pay is deposit-only. When you request a withdrawal, the operator processes it and sends funds to the debit card linked to your account, usually the same card that funded the Apple Pay deposits. The casino's own processing might take minutes. The card network then takes 1-3 working days to settle, and weekends do not count. That is the ceiling, not the floor.
What you can get instantly is an e-wallet withdrawal. PayPal, Skrill and Neteller withdrawals often land in under 2 hours at operators like Betfair casino, Unibet casino and Casumo casino. If instant payout matters more than deposit convenience, fund with Apple Pay and withdraw to an e-wallet. Most UK operators allow this, though a few require the withdrawal method to match the deposit method for the first cashout.
Is Apple Pay gambling anonymous?
Not remotely. Apple Pay hides your card number from the merchant. It does nothing about the UK's identity requirements. Every UK-licensed operator must verify your name, date of birth and address before your first withdrawal, typically within 72 hours of account opening under current Commission rules. Your deposit history, game history and session data are all logged against your verified identity.
The anonymity myth probably comes from confusion with crypto casinos, where wallet addresses genuinely do not carry a name. Apple Pay is the opposite: it is a bank-issued card wrapped in a token, fully traceable, fully subject to UK anti-money-laundering rules. If you want privacy, Apple Pay is not the tool.
Can you use Apple Pay at offshore casinos?
Rarely. Offshore operators such as Roobet casino, Gamdom casino, Donbet casino, Goldenbet casino and Mystake casino generally cannot process Apple Pay because UK card acquiring is closed to unlicensed gambling merchants. Some accept crypto, some accept bank transfers, a few take vouchers. Apple Pay requires a mainstream card acquirer, and mainstream acquirers will not touch unlicensed UK gambling.
That is not a moral judgment, just a plumbing fact. The brands that do accept Apple Pay are almost always UK Gambling Commission licensed, which means they also carry the 10% statutory levy, contribute to the 0.4% horserace betting levy where relevant, and are bound by the Commission's social responsibility rules. The payment method is a rough proxy for regulatory status.
The UX Angle: How Regulation Shapes the Apple Pay Lobby
Here is the part most payment guides skip. UK regulation does not just determine whether Apple Pay is allowed. It determines where the button sits, what happens after you tap it, and how many screens you cross before the money moves. The lobby layout of a 2026 UK casino is a direct product of rule changes made between 2019 and 2024.
Why did the deposit button move?
In April 2020 the Commission banned gambling with credit cards. In October 2021 it tightened affordability checks and reverse withdrawal rules. In 2023 it introduced financial risk assessments for higher-spending customers. Each change forced operators to redesign the cashier. The Apple Pay button, once buried three taps deep, moved to the top of the deposit screen because operators needed to reduce friction on the one step they could still control.
Reverse withdrawals were the bigger UX shift. Before the ban, a player could request a withdrawal, then reverse it and keep playing. Operators liked this because reversed withdrawals meant the money stayed in play. The Commission banned the practice in 2020, and the effect on lobby design was immediate: withdrawal became a one-tap action, and the "cancel withdrawal" button disappeared from most UK sites entirely.
What does a compliant Apple Pay cashier look like?
It looks like a short list, in this order: deposit amount, payment method, confirmation. Apple Pay sits near the top because it requires no data entry. Below it you will usually find debit card, PayPal, Skrill, Neteller, Pay by Bank and sometimes paysafecard. The deposit limits you set under the Commission's rules apply across all methods, so a £200 monthly limit applies whether you tap Apple Pay or type a card number.
GamStop, the national self-exclusion scheme, sits at the account level rather than the cashier level. If you self-exclude through GamStop, the Apple Pay button does not appear at all, because the account cannot deposit. That is a hard block, not a soft one, and it applies across every UK-licensed operator you have registered with.
How do Apple Pay deposits interact with bonus wagering?
Deposits made via Apple Pay count toward wagering requirements at almost every UK operator, but the qualifying deposit rules vary. A typical welcome offer might require a minimum £10 deposit and carry 35x wagering on the bonus with a 7-day expiry. Apple Pay deposits qualify at Bet365 casino, William Hill casino, Sky Bet casino, Paddy Power casino and Betfred casino, but not always at operators that treat wallet deposits as ineligible.
The trap is not Apple Pay itself. It is that some operators exclude certain payment methods from bonus eligibility, and the exclusion list is buried in the terms. Before you deposit £50 expecting a matched bonus, check whether the cashier page or the promotion terms name Apple Pay as eligible. Two minutes of reading beats a support ticket later.
Top Apple Pay Casinos in the UK for 2026
The list below reflects operators where Apple Pay deposits work reliably, the licence is UK Gambling Commission, and the overall product holds up beyond the payment method. Ranking is by a mix of game library depth, payout reliability, bonus terms and mobile experience.
1. Bet365 casino
Bet365 casino runs one of the deepest game libraries in the UK market, with slots from Pragmatic Play, NetEnt, Microgaming, Play'n GO, Big Time Gaming and Evolution live dealer tables. Apple Pay deposits start at £5 and land instantly. Withdrawals route to the linked debit card in 1-3 working days. The cashier is uncluttered and the responsible gambling tools are among the most granular on the market.
2. William Hill casino
William Hill casino pairs a 2,000+ game library with a cashier that has supported Apple Pay since 2018. Minimum deposit is £5. The welcome package typically runs to a matched bonus with 35x wagering and a 7-day window. Live dealer is powered by Evolution and Playtech, and the mobile lobby is built around a bottom navigation bar that keeps the deposit button one tap away.
3. Sky Bet casino
Sky Bet casino leans on the Sky Vegas casino sister brand for its slots depth and carries a strong live casino section. Apple Pay is a first-class deposit option. Payouts to card take the standard 1-3 working days, though Sky processes the internal approval stage quickly, often within a few hours. The site's session reminders are among the more visible in the market.
4. Paddy Power casino
Paddy Power casino combines a large slot library with a distinctive brand voice and a genuinely fast cashier. Apple Pay minimum is £5. The operator is part of Flutter UK & Ireland, which also runs Betfair casino, so payment infrastructure is shared and reliable. Withdrawal to card typically clears inside 2 working days.
5. Betfred casino
Betfred casino is the strongest of the traditional bookmaker-casinos for slots variety, with a library that includes Hacksaw Gaming, Pragmatic Play, Red Tiger and Blueprint titles. Apple Pay deposits are instant at £5 minimum. The operator's retail heritage means its KYC process is well-tuned, and first withdrawals rarely stall for document checks.
6. MrQ casino
MrQ casino is a slots-first operator with no wagering requirements on its welcome spins, which is unusual in the UK market. Apple Pay minimum is £10. The lobby is deliberately stripped back, with a single scrolling reel of games and a persistent deposit button. Payouts to card take 1-3 working days, and the operator processes withdrawal requests seven days a week.
7. LeoVegas casino
LeoVegas casino built its reputation on mobile-first design, and the Apple Pay flow reflects that. Deposits are two taps from the lobby. The game library spans NetEnt, Microgaming, Play'n GO, Yggdrasil and Evolution. Minimum deposit is £10, and the operator runs a loyalty scheme that converts play into bonus credit rather than points.
8. Unibet casino
Unibet casino is part of Kindred Group and carries one of the more transparent bonus structures in the UK. Apple Pay deposits from £10. The slots library is broad, with Pragmatic Play, NetEnt, Microgaming and Playtech titles sitting alongside a solid live dealer section. Withdrawals to card clear in 1-3 working days, and the operator's responsible gambling hub is well signposted.
9. Casumo casino
Casumo casino is a Malta-founded operator with a UK licence and a gamified lobby built around a "Reel Rider" progression system. Apple Pay minimum is £10. The library covers Pragmatic Play, NetEnt, Microgaming, Quickspin and Evolution. Payouts to card take the standard 1-3 working days, with internal processing usually completed within 24 hours.
10. Grosvenor Casinos
Grosvenor Casinos is the online arm of the UK's largest retail casino chain, and its Apple Pay integration is tied to the same payment stack used across its land-based venues. Minimum deposit is £5. The online library is smaller than pure-play slots sites but the live dealer section is strong, and the brand's retail presence gives it a physical withdrawal option that most competitors cannot match.
| Operator | Min Deposit | Welcome Offer Type | Wagering | Live Casino Provider |
|---|---|---|---|---|
| Bet365 casino | £5 | Matched deposit bonus | Typically 20x-35x | Evolution, Playtech |
| William Hill casino | £5 | Matched deposit bonus | 35x | Evolution, Playtech |
| Sky Bet casino | £5 | Deposit bonus + spins | 35x | Evolution |
| Paddy Power casino | £5 | Deposit bonus + spins | 35x | Evolution |
| Betfred casino | £5 | Deposit bonus + spins | 35x | Evolution, Playtech |
| MrQ casino | £10 | No-wagering spins | 0x on spins | Evolution |
| LeoVegas casino | £10 | Deposit bonus + spins | 35x | Evolution |
| Unibet casino | £10 | Deposit bonus | 35x | Evolution, NetEnt |
| Casumo casino | £10 | Deposit bonus + spins | 30x | Evolution |
| Grosvenor Casinos | £5 | Deposit bonus | 30x-40x | Evolution, Playtech |
Which operators are missing from this list, and why?
Several well-known brands do not make the top ten for Apple Pay specifically. Gala Bingo, Foxy Bingo, JackpotJoy casino and Sun Bingo are bingo-first products with casino side sections, and their cashier flows prioritise bingo-specific payment rails. Betway casino, 888 Casino and PartyCasino accept Apple Pay but their mobile cashiers are less streamlined than the operators listed above.
Offshore operators including Roobet casino, Gamdom casino, Mystake casino, Goldenbet casino, Donbet casino and 7bet. casino do not appear because they cannot process Apple Pay through UK card acquiring. That is not a knock on their products, just a payment infrastructure reality. If Apple Pay is your priority, you are effectively choosing a UK-licensed operator by default.
Apple Pay Casino Bonuses: What Actually Qualifies
Bonus terms are where Apple Pay deposits quietly fail. An operator might accept the payment method at the cashier while excluding it from promotional eligibility, and the exclusion is rarely prominent. The pattern is not malicious, just legacy: bonus terms written in 2016 often list "e-wallets excluded" and Apple Pay gets swept into that category by an overworked compliance team.
How do you check whether Apple Pay qualifies for a bonus?
Open the promotion terms and search for the payment method list. If Apple Pay is named as excluded, it does not qualify. If the terms say "debit card deposits qualify" and Apple Pay is treated as a card, it usually qualifies. If the terms are silent, assume it qualifies but keep a screenshot of the deposit confirmation, because disputes are settled on evidence.
A reasonable rule of thumb: at Bet365 casino, William Hill casino, Sky Bet casino, Paddy Power casino and Betfred casino, Apple Pay deposits qualify for standard welcome offers. At MrQ casino, the no-wagering spins have no deposit-method restriction at all. At Unibet casino and Casumo casino, the terms are explicit and Apple Pay is generally eligible.
What wagering requirements should you expect?
UK market standard sits at 35x the bonus amount, with a 7-day expiry on the bonus balance. Some operators use 30x, a few use 40x. The wagering applies to the bonus, not the deposit, at most UK sites, which is a meaningful difference from the old 2010s model where wagering applied to deposit plus bonus.
Slot contribution to wagering is usually 100%. Live dealer games often contribute 10% or less. Table games vary between 0% and 20%. If you plan to clear a bonus via live roulette, you will be grinding for a long time. Slots are the efficient route, and the game library at the operators above is deep enough that this is not a hardship.
Are there Apple Pay-specific bonuses?
Almost never. No major UK operator runs a promotion that specifically rewards Apple Pay deposits. The payment method is a convenience feature, not a marketing hook. Any site advertising an "Apple Pay exclusive bonus" is either running a short-term campaign or dressing up a standard offer. Treat the claim with the same scepticism you would apply to "crypto casino bonus" claims.
Apple Pay Deposits vs Other UK Casino Payment Methods
Apple Pay is not the best payment method for every player. It is the fastest for deposits, the most secure for card data, and the least useful for withdrawals. Whether it beats PayPal, Pay by Bank or plain debit card depends on what you value.
| Method | Deposit Speed | Withdrawal Speed | Fees | Bonus Eligibility |
|---|---|---|---|---|
| Apple Pay | Instant | 1-3 working days (to card) | None at operator | Usually eligible |
| Debit card | Instant | 1-3 working days | None at operator | Usually eligible |
| PayPal | Instant | Under 2 hours | None at operator | Often excluded |
| Skrill | Instant | Under 2 hours | None at operator | Often excluded |
| Neteller | Instant | Under 2 hours | None at operator | Often excluded |
| Pay by Bank | Instant | Under 2 hours | None at operator | Varies |
| paysafecard | Instant | Not supported | Voucher fee at retailer | Often excluded |
Is Apple Pay faster than PayPal for deposits?
Marginally. Both land instantly. Apple Pay wins on steps: Face ID and done, versus logging into PayPal, confirming the merchant and approving. On a mobile device that difference is roughly 5-10 seconds. On a desktop it is wider, because Apple Pay on Mac requires Touch ID or a paired iPhone, while PayPal requires a browser login.
For withdrawals, PayPal is dramatically faster. A PayPal withdrawal at Betfair casino, Unibet casino or Casumo casino can land in under 2 hours. Apple Pay withdrawals route to card and take 1-3 working days. If you deposit frequently and withdraw occasionally, Apple Pay is fine. If you withdraw weekly, the e-wallet route saves you real time.
What about fees and limits?
UK-licensed operators do not charge fees for Apple Pay deposits or withdrawals. The Commission's 2019 rules banned most transaction fees on gambling payments, and the current market shows no operator passing on card scheme costs. Apple Pay deposit limits are set by the operator and by your own responsible gambling settings, not by Apple.
Typical minimums sit at £5 to £10. Maximums vary: most UK operators cap single Apple Pay deposits at £5,000, with some at £10,000. Your own deposit limits override the operator's ceiling, so a £100 daily limit means £100 regardless of what the cashier allows. That is a Commission requirement, not a courtesy.
Security, Verification and the KYC Reality
Apple Pay is genuinely more secure than typing a card number into a casino cashier. Tokenisation means the merchant never sees your card details. Biometric authentication means a stolen phone is not automatically a stolen wallet, provided the thief cannot bypass Face ID or Touch ID. That is a real improvement, and it is why the method has become the default for mobile casino deposits.
What data does the casino actually receive?
The casino receives a device account number, a transaction amount, a timestamp and your account identity. It does not receive your card number, expiry date or CVV. Your issuer sees the transaction and knows it came through Apple Pay, but the merchant name on your statement typically shows the operator's trading name, not "Apple Pay."
That last point matters for shared bank accounts and for anyone who would rather not have a gambling transaction appear under an obvious label. It is not anonymity, but it is a marginally less conspicuous line on a statement. Whether that is a feature or a bug depends entirely on your circumstances.
Why does verification still take 72 hours?
UK anti-money-laundering rules require operators to verify identity before the first withdrawal, and the Commission expects this within 72 hours of account opening. Apple Pay does not shortcut this. You still upload ID, proof of address and sometimes proof of funds. The verification queue is the bottleneck, not the payment method.
Operators that handle verification well include Bet365 casino, William Hill casino, Sky Bet casino and Betfred casino, where document checks often clear within a few hours. Operators with slower queues can take the full 72 hours. If you deposit via Apple Pay and immediately request a withdrawal, expect a verification pause on your first cashout.
Can you use Apple Pay on a shared device?
Yes, but with caveats. Apple Pay on a shared iPhone requires the card to be in that device's Wallet, which means the cardholder has authorised it. If you are using someone else's phone and someone else's card, you are depositing with funds that are not yours, and that creates a problem at withdrawal when the operator checks that the payment method matches the account holder.
Most UK operators require that the name on the payment method matches the name on the gambling account. Apple Pay masks the card, but the underlying cardholder name still surfaces during settlement. If the names do not match, the operator will block the withdrawal and may close the account. Use your own card in your own Wallet.
Setting Up Apple Pay for Casino Deposits
The setup is short, but the order matters. Loading a card into Wallet after opening the casino account works fine. Loading it before is cleaner, because the cashier will detect the available card immediately rather than requiring a page refresh.
What do you need before your first deposit?
An iPhone 6 or later, or an Apple Watch paired to one, or a Mac with Touch ID, or an iPad with Touch ID or Face ID. You need a supported debit card. You need iOS 8.1 or later, though in practice any device still receiving updates in 2026 is fine. You need a UK-licensed casino account with a verified identity.
Credit cards will not work. The Commission banned credit card gambling in April 2020, and Apple Pay inherits that restriction because the underlying card is the payment instrument. If your Wallet contains only credit cards, the casino deposit will fail. Add a debit card.
How do you add a card to Wallet?
Open Wallet, tap the plus icon, and either scan the card with the camera or enter details manually. Your bank will verify the card, usually via a one-time code or through its own app. Once verified, the card appears in Wallet and becomes available for Apple Pay transactions, including casino deposits.
You can hold multiple cards in Wallet and select one at the point of payment. That is useful if you want to keep gambling spend on a specific card for budgeting reasons. Some players use a dedicated debit card with a low balance for casino deposits, which enforces a natural spending cap.
What happens at the cashier?
Select Apple Pay, choose your deposit amount, confirm with Face ID or Touch ID, and the funds land in your casino balance within seconds. The casino balance updates immediately. Your bank statement shows the transaction within minutes, though the card issuer may take up to 24 hours to finalise the line item.
If the deposit fails, the usual causes are: credit card rather than debit, insufficient funds, a bank block on gambling merchants, or a mismatch between the Wallet cardholder and the casino account holder. The first is the most common, and it is the one players are least likely to anticipate.
Apple Pay Casino FAQs
Can you withdraw money from a casino using Apple Pay?
No. Apple Pay is deposit-only at every UK-licensed casino. Withdrawals route to the debit card linked to your account, or to an e-wallet if the operator supports it. Card withdrawals take 1-3 working days, e-wallet withdrawals often land in under 2 hours. The casino cannot send money to Apple Pay because Apple Pay has no balance to receive it.
Is Apple Pay safe for online casino deposits?
Yes, and it is safer than typing card details into a casino cashier. Apple Pay uses tokenisation, so the merchant never sees your card number. Transactions require Face ID or Touch ID. The main residual risk is not the payment method but the operator: stick to UK Gambling Commission licensed brands and the payment layer is the least of your concerns.
Why was my Apple Pay casino deposit declined?
The most common cause is a credit card in Wallet. UK credit card gambling has been banned since April 2020, and Apple Pay inherits that block. Other causes include insufficient funds, a bank-level gambling merchant block, or a cardholder name mismatch. Switching to a debit card resolves the majority of declines.
Do Apple Pay deposits qualify for casino welcome bonuses?
Usually yes at UK-licensed operators, but check the promotion terms. Some legacy bonus terms exclude e-wallets and Apple Pay gets caught in that net. At Bet365 casino, William Hill casino, Sky Bet casino, Paddy Power casino and Betfred casino, Apple Pay deposits generally qualify. At operators with explicit exclusion lists, they do not.
What is the minimum Apple Pay deposit at UK casinos?
Most UK operators set the minimum at £5. A smaller group, including MrQ casino, LeoVegas casino, Unibet casino and Casumo casino, set it at £10. Your own deposit limits override the operator minimum in the sense that they cap your spending, but they cannot lower the operator's floor. The lowest realistic Apple Pay deposit is £5.
How long do Apple Pay casino withdrawals take?
Withdrawals initiated from an Apple Pay-funded account go to the linked debit card and take 1-3 working days after the operator approves them. Internal approval at fast operators like Sky Bet casino and Paddy Power casino can complete within hours. The card network settlement is the slow part, and weekends do not count toward the 1-3 day window.
Does Apple Pay work on casino mobile sites and apps?
Yes, on both. Apple Pay is native to iOS, so it works in Safari, in most casino apps and in progressive web apps. On desktop, Apple Pay works in Safari on a Mac with Touch ID or a paired iPhone. On Windows and Android devices, Apple Pay is not available at all, which is the main limitation of the method.
Responsible Gambling and Apple Pay Limits
Apple Pay makes depositing fast, and fast depositing makes limit-setting more important. The Commission requires every UK-licensed operator to offer deposit limits, loss limits, session time reminders and time-outs, and these apply across all payment methods including Apple Pay. Setting a limit before you deposit is easier than setting one after a bad session.
The legal minimum age for gambling in the UK is 18. The National Gambling Helpline is available 24 hours a day on 0808 8020 133, run by GamCare. GamStop is the national self-exclusion scheme, free to use, and it blocks you from every UK-licensed gambling site for a minimum of 6 months, extendable to 5 years. Once registered, the Apple Pay deposit button simply will not appear.
Deposit limits take effect immediately if you lower them, and after 24 hours if you raise them. That asymmetry is deliberate. Loss limits work similarly. If you want a hard stop, GamStop is the tool, and it covers every operator in the UK market rather than just the one you are using today. Use it if gambling has stopped being entertainment.
Apple Pay is a convenient payment method, not a strategy. The operators that handle it best, from Bet365 casino to Grosvenor Casinos, treat it as one option among several and build their cashiers around clarity rather than friction. Pick an operator for its licence, its game library and its payout record, then let Apple Pay handle the deposit. That order gets the best result.