Turbo spin on slots
Turbo spin is a slot setting that shortens the reel animation so each result appears faster. UK rules ban it, along with quick spin and slam stop: since 31 October 2021, online slots in Great Britain must take at least 2.5 seconds per spin, and nothing in the app may shorten the time until the result is shown.
By the Best Casino Apps UK team. Last checked .
Key takeaways
- Turbo spin, quick spin and slam stop all made slot results appear sooner.
- UK online slots must allow at least 2.5 seconds between the start of one spin and the next.
- Other online casino games need at least five seconds per round since January 2025.
- Scratch-all and reveal-all buttons, and cash-out actions in crash-style games, are allowed.
- Also called
- Quick spin, fast play, slam stop
- Status in GB
- Not permitted
- Minimum slot spin
- 2.5 seconds
- Minimum other casino rounds
- 5 seconds
- Rule in force
- Slots since 31 October 2021
What turbo spin means
A slot spin has two parts: the result, decided instantly by the RNG when you press spin, and the animation that reveals it. Turbo spin trimmed the animation. A lightning-bolt or double-arrow icon, or a Quick Spin toggle in the settings, made reels stop sooner. Slam stop went further: tapping the screen mid-spin halted the reels at once. In some desktop games, pressing the spacebar did the same.
None of these changed the odds, since the outcome was already fixed. What they changed was the pace: more spins per minute, and therefore more money staked per minute at the same bet size.
The UK rules on turbo spin and game speed
The Gambling Commission’s technical standards contain two separate requirements. The first says the gambling system “must not permit a customer to reduce the time until the result is presented”, and the guidance names turbo, quick spin and slam stop as examples. That applies to all remote games, however quickly they run. The second sets a floor on speed: at least 2.5 seconds from the start of one slot game until the next can begin, and at least five seconds for other casino games such as roulette and blackjack since 17 January 2025.
| Feature | Allowed in GB? | Why |
|---|---|---|
| Turbo or quick spin toggle | No | Shortens time to the result |
| Slam stop (tap to stop reels) | No | Shortens time to the result |
| Spins faster than 2.5 seconds | No | Below the slot minimum |
| Scratch-all or reveal-all on scratchcards | Yes | Specifically permitted by the guidance |
| Speeding up a free bonus feature (no extra stake) | Yes | The rule excludes features with no additional stake |
| Cashing out in a game you lose unless you act | Yes | Specifically permitted (crash-style games) |
Why game speed matters: the maths in pounds
Speed matters because the cost of slots is a percentage of everything you stake. At the 2.5-second minimum, the most a slot can run is 24 spins a minute, or 1,440 an hour. At £1 a spin that is £1,440 staked in an hour, and on a game with a 96% RTP the average cost of that hour is about £57.60. Real sessions are usually slower, as you pause, change games or watch features, but the ceiling shows how pace drives cost.
Before the rules, a turbo setting could cut a spin to well under that, so the same hour could see far more stakes. Slowing the game doesn’t change the house edge per spin; it reduces how many spins fit into a session.
What turbo spin looks like (or doesn’t) in a UK app
In a UK version of a slot, the turbo icon is usually gone from the control bar and the Quick Spin switch is missing from the settings menu. Tapping the reels mid-spin does nothing. What remains in settings is typically sound, music, left-hand mode and sometimes a battery saver or reduced-animation option, which affect how the game looks, not how fast results arrive.
If spins feel slower than 2.5 seconds, that is usually the animation, a cascading reels sequence or a slow connection rather than the rule. Our casino app speed and performance guide covers lag, and sound and vibration settings explains what you can switch off.
Scratchcards are the clearest exception: a Reveal All button is allowed, so scratchcard apps can still show the whole card in one tap.
Pace, time and staying in control
Slower spins give you a moment between decisions, and the UK rules also require your balance and net position to be visible. Use them. A reality check every 30 minutes or a session reminder makes the passing of time hard to miss; our session limits guide shows where to switch them on, and the safer gambling page lists free support, including the National Gambling Helpline on 0808 8020 133.
Related terms
Autoplay was banned at the same time. For per-spin caps see stake limit, and for the full rulebook, UK slot design rules on mobile. The glossary has the rest.
18+. Gambling should be entertainment that costs money, not a way to make it. Set a deposit limit before you play: how to set limits. Free, confidential help: National Gambling Helpline 0808 8020 133.
Frequently asked questions
Is turbo spin banned in the UK?
Yes, turbo spin is banned in UK-licensed casino apps, along with quick spin and slam stop. The Gambling Commission’s standards say a game must not let you reduce the time until the result is presented, and online slots must take at least 2.5 seconds per spin. These rules have applied to slots since 31 October 2021 and to other online casino games, with a five-second minimum, since 17 January 2025. Our UK slot design rules on mobile guide explains the full set.
Does turbo spin change the odds of winning?
No, turbo spin never changed the odds. A slot’s result is fixed by the random number generator the moment you press spin; the reel animation only reveals it. Turbo and slam stop shortened that reveal, which let players fit more spins, and more stakes, into the same time. The RTP and house edge per spin stay the same at any speed, but more spins per hour means a higher expected cost per hour. Our RTP entry explains how that cost is calculated.
How fast can a slot spin in a UK casino app?
A slot in a UK casino app can’t start a new spin until at least 2.5 seconds after the previous one began. That limits play to a maximum of 24 spins a minute, or 1,440 an hour. You also have to release and tap the spin button again for each spin; holding it down doesn’t repeat. For roulette, blackjack and other casino games the minimum is five seconds per round. Read our autoplay entry for the related rule on committing to each spin.
Why do some slots feel slower than others in the app?
Some slots feel slower because their animations, cascades or feature sequences take longer than the 2.5-second minimum, and the developer can’t offer a shortcut. Games with tumbling or cascading reels may take several seconds to settle one paid spin. A weak signal or an older phone can add delays too. The minimum is a floor, not a fixed speed. If games stutter or freeze, the casino app speed and performance guide has fixes for iPhone and Android.
Can I skip the animation on scratchcards and instant-win games?
Yes, scratchcards can still offer a Reveal All or Scratch All button, because the Commission’s guidance specifically allows it. The card’s result is revealed in one tap instead of scratching each panel. The five-second minimum per round for non-slot casino games may still apply to how soon the next card can be bought. Instant-win games vary, so check each game’s help screen. Our scratchcard apps page explains how these games work on a phone.
Is a battery-saver or low-animation mode a form of turbo spin?
No. Some slots offer a battery-saver or reduced-animation setting that lowers graphic effects to save power or help older phones, but in a UK version it can’t make results arrive sooner than the rules allow. The spin still respects the 2.5-second minimum. These settings are worth using on long journeys or ageing handsets. Our page on whether casino apps drain your battery has more tips for keeping power use down.