Free Tools for Slot Players
No signup. No ads. Just math and data.
Bonus EV Calculator
Enter a casino bonus offer and see whether the math works in your favor. Calculates expected value, total wagering, and bust risk.
Bankroll Simulator
See how your balance moves over N spins at a given RTP and volatility. Monte Carlo simulation with a visual chart. Run it multiple times.
Bonus Trap Detector
Paste a bonus's terms and conditions. Get instant red flags on wagering requirements, max bet caps, time limits, and cashout restrictions.
Volatility Map
Every slot plotted by RTP and max win on an interactive chart. Color-coded by volatility. Click any dot to play the demo.
Slot Finder Quiz
Answer 3 questions about your play style. Get personalized slot recommendations with free demo links.