Every bonus, rated by what it's actually worth
Most "100% up to $500" offers are worth a fraction of the headline once you decode the wagering terms. Gamblerfy does the math — transparently — so you pick the bonuses that really pay.
The Gamblerfy Bonus Value Score
A single, transparent number for the real expected value of a bonus — factoring wagering (rollover), game contribution, max cashout, min odds and expiry. The formula is public. No hype, no fake ratings.
Why Gamblerfy
Real value, decoded
We translate confusing terms into one honest score you can compare at a glance.
Fresh daily
Bonuses and terms change constantly. We re-check and date every offer — no stale pages.
Evidence-based
Every review follows a public methodology with sources and dates. We show our work.
Licensed only
We only cover operators licensed in your country, and we say the bad terms out loud.
Free tools — live now
Bonus Value Calculator
Score any bonus 0–100 — deposit match, no-deposit, cashback or sticky. Free
Odds Converter
Decimal ⇄ fractional ⇄ American, plus implied probability and payout. Free
Margin & Fair Odds
The bookmaker's margin (vig) and the no-vig fair odds behind any market. Free
Learn how it really works
10 plain-English guides
The foundation behind every rating — wagering & rollover, max cashout, RTP & game contribution, free spins, slot volatility, sticky vs cashable bonuses, bonus red flags, and how betting odds and the bookmaker margin actually work.
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