Gratowin – Review

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  • GratoWin
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Use Code: GRATO100 50 no deposit freespins! Get 100% Bonus up to $1,000 35x wagering on bonus 1x on deposit

    Accepts players from Curaçao
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    18+. New players only. Please play responsibly. T&C’s apply.

  • BC.Game
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Use Promo Code: great Get 150% Bonus up to $500 & 100 Free Spins 45x wagering on bonus 45x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit BC.Game Website Read BC.Game Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Winscore
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Code: WEL100SLOT Get 100% Bonus up to $200 40x wagering on bonus 40x on deposit

    Accepts players from Curaçao
    Visit Winscore Website Read Winscore Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Ivibet
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Get 100% Bonus up to $100 & 120 Free Spins on Bigger Bass Bonanza 40x wagering on bonus 3x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Ivibet Website Read Ivibet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Cazimbo
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $500 & 200 Free Spins on random slots 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Cazimbo Website Read Cazimbo Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • National Casino
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Get 100% Bonus up to $100 & 100 Free Spins on Avalon: The Lost Kingdom 40x wagering on bonus 3x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit National Casino Website Read National Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Spinrollz
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $500 & 200 Free Spins on selected slots 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Spinrollz Website Read Spinrollz Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • 20Bet
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Get 100% Bonus up to $120 & 100 Free Spins on Elvis Frog in Vegas 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit 20Bet Website Read 20Bet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Slotsgem
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $100 & 75 Free Spins on selected slots 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Slotsgem Website Read Slotsgem Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Bizzo Casino
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Get 125% Bonus up to $1,250 & 125 Free Spins 40x wagering on bonus 3x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Bizzo Casino Website Read Bizzo Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Gomblingo
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Code: GOBLINGOLD200 Get 200% Bonus up to $500 & 200 Free Spins on 7 Fortune Frenzy 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Gomblingo Website Read Gomblingo Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Rollbit
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Get Instant Rakeback Lots of features that boosts the rakeback. Hold Rollbit Coins, keep track of Rewards Calendar and daily bonuses to increase rakeback.

    Accepts players from Curaçao
    Visit Rollbit Website Read Rollbit Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • DailySpins
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $1,000 & 200 Free Spins on Tramp Day 40x wagering on bonus 1x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit DailySpins Website Read DailySpins Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • GrandWin
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: GRAND125 Get 125% Bonus up to $300 & 50 Free Spins on selected slots 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit GrandWin Website Read GrandWin Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Wikiluck
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: WIKI100 Bonus on the 4 first deposits Get 100% Bonus up to $200 40x wagering on bonus 40x on deposit

    Accepts players from Curaçao
    Visit Wikiluck Website Read Wikiluck Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • PlayOro
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: PLAYO100 Get 100% Bonus up to $1000 35x wagering on bonus 0x on deposit

    Accepts players from Curaçao
    Visit PlayOro Website Read PlayOro Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • JettBet
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Bonus on the 4 first deposits Get 200% Bonus up to $1,000 & 100 Free Spins on Chilli Pop 30x wagering on bonus 30x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit JettBet Website Read JettBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • PlazaPlay
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Code: PLAZA100 Get 100% Bonus up to $1,000 35x wagering on bonus 1x on deposit

    Accepts players from Curaçao
    Visit PlazaPlay Website Read PlazaPlay Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • BitStarz
    MEDIUM chance of winning

    Highest RTP setting
    on most slots in our test

    Get 100% Bonus up to $100 & 180 Free Spins on selected slots 40x wagering on bonus 1x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit BitStarz Website Read BitStarz Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Rooster Bet
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $1000 & 100 Free Spins on John Hunter and the Book of Tut 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Rooster Bet Website Read Rooster Bet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Fortune Play
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $1000 & 100 Free Spins on Book of Dead 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Fortune Play Website Read Fortune Play Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • SpinsUP
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $1000 & 100 Free Spins on Book of Dead 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit SpinsUP Website Read SpinsUP Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • BeonBet
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 150% Bonus up to $450 & 100 Free Spins on Sugar Rush 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit BeonBet Website Read BeonBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • MetaSpins
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    -

    Accepts players from Curaçao
    Visit MetaSpins Website Read MetaSpins Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • 1xBet
    MEDIUM chance of winning

    Highest RTP setting
    on most slots in our test

    Get 100% Bonus up to $300 & 30 Free Spins on Black Wolf: Hold and Win 35x wagering on bonus 0x on deposit 35x on free spins winnings

    Accepts players from Curaçao
    Visit 1xBet Website Read 1xBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • NitroBet
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $650 & 100 Free Spins on Space Gems Rockblocks 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit NitroBet Website Read NitroBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • ExciteWin
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    -

    Accepts players from Curaçao
    Visit ExciteWin Website Read ExciteWin Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Greenluck
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $750 & 200 Free Spins + 1 Bonus Crab 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Accepts players from Curaçao
    Visit Greenluck Website Read Greenluck Review

    18+. New players only. Please play responsibly. T&C’s apply.

Chance of Winning
MEDIUM

Online casinos have the power to manipulate your likelihood of winning on several top slot titles — and Gratowin has lowered payous on a couple of them. To find more information, you can see our test for Gratowin here.

To gamble somwehere with even better odds, you’ll find casinos that offer that in Great's list of best online casinos.

Visit Gratowin Website

18+. New players only. Please play responsibly. T&C’s apply.

How to test the Chance of Winning?

Like we said above, casinos can change your winning chances on almost all slots — and Gratowin has lowered your chances of winning for some games.

They accomplish this by changing what's known as the return-to-player or RTP. With lower RTP, it gets harder for you to win — while the casino makes more.

We attempt to measure this by reviewing the same 10 popular games at each online casino and comparing the RTP of each against the best RTP versions of those same titles.

Have a look at the results just below. Swipe to the right to discover how competing casinos performed.

Popular games Best RTP
Gates of Olympus 96.50%
Sugar Rush 96.50%
Le Bandit 96.34%
Wanted Dead or a Wild 96.38%
Big Bamboo 96.13%
Big Bass Bonanza 96.71%
Book of Dead 96.21%
Reactoonz 96.51%
Fire In The Hole 2 96.07%
Temple Tumble 96.25%
GratoWin
94.50%
94.50%
92.17%
92.33%
-
94.02%
94.25%
94.51%
96.07%
-
BC.Game
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Winscore
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
96.07%
-
Ivibet
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Cazimbo
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
87.25%
87.50%
92.07%
94.00%
National Casino
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Spinrollz
94.50%
94.50%
92.17%
94.55%
-
94.02%
87.25%
87.50%
92.07%
94.00%
20Bet
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Slotsgem
96.50%
96.50%
96.34%
96.38%
-
96.71%
87.25%
87.50%
96.07%
96.25%
Bizzo Casino
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Gomblingo
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
96.07%
-
Rollbit
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
DailySpins
94.50%
94.50%
92.17%
92.33%
-
94.02%
87.25%
87.50%
92.07%
94.00%
GrandWin
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
-
-
Wikiluck
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
96.07%
-
PlayOro
94.50%
94.50%
92.17%
92.33%
-
94.02%
94.25%
94.51%
-
-
JettBet
94.50%
94.50%
92.17%
92.33%
-
94.02%
87.25%
87.50%
94.08%
-
PlazaPlay
94.50%
94.50%
92.17%
92.33%
-
-
87.25%
87.50%
-
-
BitStarz
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
94.25%
94.51%
96.07%
96.25%
Rooster Bet
96.50%
96.50%
94.23%
94.55%
94.08%
96.71%
94.25%
94.51%
94.08%
94.00%
Fortune Play
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
94.25%
94.51%
94.08%
94.00%
SpinsUP
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
94.25%
94.51%
94.08%
94.00%
BeonBet
96.50%
96.50%
92.17%
92.33%
96.13%
96.71%
87.25%
87.50%
94.08%
94.00%
MetaSpins
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
91.25%
91.49%
92.07%
94.00%
1xBet
94.50%
94.50%
94.23%
94.55%
-
95.67%
96.21%
96.51%
96.07%
-
NitroBet
96.50%
96.50%
92.17%
92.33%
-
96.71%
-
-
94.08%
94.00%
ExciteWin
94.50%
-
94.23%
94.55%
94.08%
94.02%
-
-
92.07%
94.00%
Greenluck
94.50%
94.50%
92.17%
94.55%
-
94.02%
87.25%
87.50%
92.07%
94.00%
Visit GratoWin Website Slide to compare

If you swiped above, you’ll see that Gratowin is doing quite well. There are a few online casinos that tested better than Gratowin, though most of the other online casinos are much worse.

If you play slots the assigned RTP is the factor that will have the most impact on your odds of winning.

If you want to spend money at casinos that offer you the best odds you can see them at the top of our list of the highest rated online casinos.

Most popular slots right now