Three Pay by Mobile Casino Deposits: 3Pay on UK Casinos (2025)
Three UK users can take advantage of 3Pay (Three’s branding for Payforit) to fund casino accounts instantly from their phone bill. This page covers the Three Pay by Mobile casino deposit process, limits, fees, supported plans, and top Three-friendly casinos.
How Three Pay by Mobile Casino Deposits Work
- Select “Pay by Phone” (may show as 3Pay, Boku, or Pay via Mobile).
- Enter your Three mobile number and deposit amount.
- You’ll receive an SMS from short code 65083 or similar – reply “YES” or use the PIN displayed.
- Funds appear in your casino balance instantly.
- The charge is added to your next Three bill or taken from PAYG credit.
Three Three Mobile Limits & Fees
- Daily limit: £40 (Three follows the new Payforit max).
- Monthly limit: £240 across all 3Pay charges.
- Minimum deposit: £5–£10 (casino-defined).
- Fees: Three applies none. Most casinos are fee-free; check T&Cs for rare surcharges.
Supported Three Plans & MVNOs
Works on Three Pay Monthly (Contract), PAYG, and MVNOs using Three’s network (Smarty, ID Mobile). Premium billing is enabled by default; PAYG users need enough credit.
Three Pay by Mobile Casino Sites UK 2025
| Rank | Casino | Total Bonus | No Deposit Bonus | Terms and Conditions | Let's Play! |
|---|---|---|---|---|---|
| 1 |  Mega Riches Casino | Total Bonus £100 50 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions #ad. 18+. Gamble Responsibly. GambleAware.org. New Customers Only. T&Cs apply. 18+. Gamble Responsibly. Gamb... | |
| 2 |  HotWins Casino | Total Bonus £100 25 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions New Players Only. New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies ... | |
| 3 |  Betano Casino | Total Bonus £30 0 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+ New Customers Only. Opt in and wager £10 on selected games within 3 days of sign up. Get 3x£10 Slot Bonu... | |
| 4 |  JeffBet Casino | Total Bonus £100 50 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions New Players Only. Wager from real balance first, contribution varies per game, selected games only. Wager ca... | |
| 5 |  Barz Casino | Total Bonus £300 50 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+. New players only. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must b... | |
| 6 |  Mr Mega Casino | Total Bonus £50 0 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions Terms and Conditions apply. New players only. 18+. Min deposit £10. Wagering requirement apply 35x. See full... | |
| 7 |  LeoVegas Casino | Total Bonus £0 50 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions New cust only. Opt in & deposit £10+ in 7 days & wager 1x in 7 days on any eligible casino game (excluding l... | |
| 8 |  Parimatch Casino | Total Bonus £45 60 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+ New Customers Only. Opt in, wager £10 on selected games, in 15 days. Get £15 in Bonuses (30x wagering) f... | |
| 9 |  Luckstars Casino | Total Bonus £0 500 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions New players only, £10 min fund, 65x bonus wagering requirements, max bonus conversion to real funds equal to... | |
| 10 |  Skol Casino | Total Bonus £100 100 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+. New Players only. One bonus offer per player. Minimum deposit of £10. Max bonus bet £5. This offer give... | |
| 11 |  Duelz Casino | Total Bonus £100 100 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+ new players only. Minimum deposit: £20. Maximum £100 bonus. Max bet with an active bonus: £2. Wagering r... | |
| 12 |  Casushi | Total Bonus £50 50 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+. New players only. Min £10 deposit & wager. Free spins on Book of Dead (30 spins on day 1, 10 on day 2, ... | |
| 13 |  Betiton Casino | Total Bonus £0 0 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+, Welcome Bonus: New Players only, 1st Deposit, Min Deposit,: £15, max £10 free bet valid for 14 days, be... | |
| 14 |  Win Windsor Casino | Total Bonus £2000 0 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions New players only, £10 min fund, deposit matchup % credited via bonus wheel, £2,000 max bonus, 65x wagering r... | |
| 15 |  Playluck Casino | Total Bonus £100 100 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+. New Players Only. Welcome Package split over 4 deposits. Min £20. Wagering Requirement: 35x. Spins are ... | |
| 16 |  Mr Vegas Casino | Total Bonus £200 0 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions New players only. Mindep 10. Account balance is withdrawable at any time upon withdrawal, any remaining bonu... | |
| 17 |  Griffon Casino | Total Bonus £0 200 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 18+. New players only. Offer is valid over the first 3 deposits. 50 spins on Big Bass Bonanza upon first dep... | |
| 18 |  Neptune Play Casino | Total Bonus £100 0 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions Terms & Conditions +18. Terms and Conditions Apply. Min. Deposit $10. | |
| 19 |  Swift Casino | Total Bonus £50 50 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus £50. Maxi... | |
| 20 |  7bet Casino | Total Bonus £50 0 Free Spins | No Deposit Bonus £0 0 Free Spins | Terms and Conditions 1st deposit only | min deposit £10 | max bet £2 | max bonus £50 | 40x wagering | Bonuses playable on Casino ... |
Three (3Pay) in a Nutshell
Three’s 3Pay system piggy-backs on the same Payforit rails used by the other big carriers, yet it has a couple of quirks seasoned mobile gamblers appreciate. Because Three’s core customer base skews younger and data-heavy, the network keeps header-enrichment enabled on virtually every tariff.
On the downside, Three’s default personal Spend Cap is set to £0 during SIM activation; if you forget to slide it up in the Three app, every Boku/Fonix attempt will fail with no clear error message. Once you raise the cap to £40 (or whatever limit you prefer), 3Pay runs smoothly.
How Three Compares with EE, O2 and Vodafone
- Speed: Three and EE tie for fastest one-tap approvals on mobile data, whereas O2 always adds an extra PIN step.
- Account Age Restrictions: Vodafone is the only carrier that blocks brand-new contracts for up to 90 days; Three, EE, and O2 allow Payforit from day one—assuming your cap isn’t zero.
- Spend Cap Flexibility: Three and O2 let you set a personalised cap in-app; EE’s is fixed at £40 unless you call support, while Vodafone auto-unlocks to £40 after probation.
- Fee-Free Casino Coverage: All four carriers depend on each casino’s policy, but anecdotal tracking shows roughly the same proportion of fee-free sites across networks.
In short, choose Three if you value rapid “one-tap” deposits and don’t mind adjusting a spend slider first; opt for O2 for granular self-control, EE for pure speed with minimal setup, and Vodafone once your new account has cleared its bedding-in period.
Chris Vaughan is a Senior Writer and Editor at GamblingAuthority. He has more than 18 years of experience in the iGaming industry and has great knowledge of game developers, trending games and casino research.
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