Comparison

International maths guide vs Cat Probability Roulette

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

Head to head
About

International maths guide

Features
Read full description

IMO Grade 1 - 10 Maths Olympiad International Maths Olympiad (IMO) preparation for Grade 1 to 10 in quiz format * Students can take seven full fledged Olympiad IMO mock exams * Instantaneous results provided with detail reports.

About

Cat Probability Roulette

Features
Read full description

### Neko Neko Probability Roulette A simple, thrilling color-guessing game that's a cut above ordinary roulette! If your chosen color lands perfectly, points equal to the number on the board will skyrocket! Miss and your points halve... but land the same color consecutively for bonus points pouring in! Battle it out in 10 intense matches! Simple rules make it perfect for learning about probability and statistics. Put your luck and brainpower to the test! **About Ads** Ads appear briefly only after the 1st match and every 5th match thereafter. For just 100 yen, you can completely remove ads for uninterrupted play! Compete with friends for the best score and get hyped, or just keep smashing your own personal best. Enjoy testing your luck and training your brain in Neko Neko World! BGM Casino written by Capybara Kids Roulette By the way. Phalene Voice β€œVOICEVOX: Zundamon”

Screenshots

International maths guide4 screens
Cat Probability Roulette3 screens

Verdict

The call

The clearest difference is in-app purchases: International maths guide at none against Cat Probability Roulette's 1. International maths guide also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Cat Probability Roulette's advantage is update cadence (every 2 months vs every 46 months). On price and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Cat Probability Roulette sells 1 one-off in-app purchase. International maths guide asks for nothing beyond the download.

UpkeepUpdate frequency

International maths guide ships an update every 46 months, Cat Probability Roulette every 2 months. The most recent releases landed on March 3, 2026 and September 19, 2026 respectively.

Scorecard4 real differences Β· 2 level
International maths guide versus Cat Probability Roulette: the parameters behind the verdict, then further details
ParameterInternational maths guideCat Probability Roulette
PriceFreeFree
Update frequencyEvery 46 monthsEvery 2 months β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 β€” better15.0
Further details β€” not scored
Size13 MB145 MB
Age rating4+4+
Developerrahul bawejaYusuke Okada

In-app purchases

None

International maths guide

No in-app purchases

1 purchases

Cat Probability Roulette

One-time1
  • [Remove Ads]$0.49

Questions

Is International maths guide free?
International maths guide is free to download, with no in-app purchases.
Is Cat Probability Roulette free?
Cat Probability Roulette is free to download, with in-app purchases available.
Do International maths guide or Cat Probability Roulette have ads?
Cat Probability Roulette shows ads; International maths guide does not.
Which is updated more often, International maths guide or Cat Probability Roulette?
International maths guide ships an update every 46 months, and Cat Probability Roulette every 2 months. Most recently, International maths guide was updated on March 3, 2026 and Cat Probability Roulette on September 19, 2026.

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