Booster Demo
Launched in 2017, Booster is iSoftBet's 5-reel slot across 25 paylines. Its theoretical RTP is 95.6%, with low volatility. Try it in free-play mode at a licensed casino before committing real funds.
Game facts
- RTP
- 95.60%
- Volatility
- low
- Reels
- 5
- Paylines
- 25
- Provider
- iSoftBet
About Booster
Booster is a iSoftBet slot you can try in free-play (demo) mode at most licensed casinos, and often on iSoftBet's own site — the same math model and reels as real money, with no deposit needed to test it. 95.60% RTP is below the 96% industry midline — the house keeps 4.40% of turnover long-run. The game runs low volatility — frequent small wins and long sessions on a modest bankroll.
If you plan to play it with a casino bonus, check the personalised EV matches below — the simulation uses this game's real RTP and volatility, not a site-wide average.
iSoftBet has 75 slots in our catalog, averaging 95.73% RTP across the titles with a published figure. At 95.60%, Booster ranks #39 of 75 iSoftBet slots by RTP. Browse the full iSoftBet catalog for alternatives with a similar house style.
Personalised for Booster · 95.6% RTP · low volatility
Best bonuses to play Booster on
FAQ · Booster
What is the RTP of Booster?
Booster has a published RTP of 95.60%, i.e. a long-run house edge of 4.40%. Some operators license reduced-RTP versions — check the paytable in the game info menu before playing for money.
Can I play Booster for free?
Yes — Booster has a free-play (demo) mode in fun credits at most licensed casinos, and frequently on iSoftBet's own site. The math model is identical to the real-money version; you don't need to deposit to test it, but you do launch it from the operator, not from this page.
Is Booster a high or low volatility slot?
Booster is rated low volatility — frequent small wins and long sessions on a modest bankroll. That profile suits bonus wagering: steadier balance swings mean a higher probability of surviving the full playthrough.
How many reels and paylines does Booster have?
Booster plays on 5 reels with 25 paylines. The layout is identical in demo and real-money play.
Which bonus should I use to play Booster for real money?
Right now our simulator's best match is PlayJonny (25 Free Spins on registration (no deposit)) at +€2 EV on a €100 baseline — recomputed against this game's RTP and volatility on every build.
