Comparison

Probability vs Rex Roulette Predictor

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Probability

Features
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Probability Calculate the probability of conditional events or unconditional events. Conditional events Example: What is the probability of throwing one six with a dice in throw number two with the condition that throw one was a six. Unconditional events Example: What is the probability that it will be some six in two throws with a dice whether it is throw number one or two. Up to ten events can be linked together.

About

Rex Roulette Predictor

Features
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Welcome to Rex Roulette Prediction! Experience the thrill of predicting roulette outcomes with Rex Roulette Prediction, an app designed to enhance your entertainment with sophisticated number prediction strategies. Features: Easy to Use: Intuitive interface designed for quick navigation. Fast Results: Get instant predictions. Regional Forecaster: Predict outcomes based on your selected region. Advanced Algorithms: Powered by high-level algorithms for accurate number predictions. How to Play: Rex Roulette Prediction provides predictions based on your chosen number and region. Simply select a number, and the app will forecast a region based on our advanced strategies. Use it to explore various roulette strategies and enhance your experience. Please Note: Rex Roulette Prediction is purely for entertainment purposes and does not guarantee any winnings. The app is designed to be a fun way to explore roulette strategies, but always play responsibly. Additional Information: In-App Purchases: Some advanced features and strategies may require additional purchases. These are clearly marked within the app. Entertainment Only: This app is intended for entertainment and educational purposes. It does not involve real gambling or offer real money rewards. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.freeprivacypolicy.com/live/995b5965-5906-44d9-9f57-02697844b137

Screenshots

Probability2 screens
Rex Roulette Predictor3 screens

Verdict

The call

The clearest difference is in-app purchases: Probability at none against Rex Roulette Predictor's 1. Probability also leads on iOS requirement (9.0 vs 12.0). Rex Roulette Predictor's advantage is update cadence (daily vs every 18 months). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Rex Roulette Predictor sells 1 in-app purchase, starting at $15.00 per month. Probability asks for nothing beyond the download.

UpkeepUpdate frequency

Probability ships an update every 18 months, Rex Roulette Predictor daily. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

Scorecard3 real differences ยท 3 level
Probability versus Rex Roulette Predictor: the parameters behind the verdict, then further details
ParameterProbabilityRex Roulette Predictor
PriceFreeFree
Update frequencyEvery 18 monthsDaily โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS9.0 โ€” better12.0
Further details โ€” not scored
Size1 MB32 MB
Age rating4+17+
Developerdomesticusdevelopismail kirmizigul

In-app purchases

None

Probability

No in-app purchases

1 purchases

Rex Roulette Predictor

Subscriptions1
  • Rex Roulette Predictor Pro$15.001 Month

Questions

Is Probability free?
Probability is free to download, with no in-app purchases.
Is Rex Roulette Predictor free?
Rex Roulette Predictor is free to download, with in-app purchases available.
Do Probability or Rex Roulette Predictor have ads?
Neither Probability nor Rex Roulette Predictor shows ads.
Which is updated more often, Probability or Rex Roulette Predictor?
Probability ships an update every 18 months, and Rex Roulette Predictor daily. Most recently, Probability was updated on October 6, 2026 and Rex Roulette Predictor on October 3, 2026.

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