Comparison

Game Roller vs Cat Probability Roulette

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

Head to head
About

Game Roller

This app offers a versatile toolkit for tabletop gaming and decision-making. It features customizable dice rollers, card drawers, coin flippers, and decision wheels. Create personalized game boards and dice with custom faces for enhanced gameplay and everyday choices.

Highlights
  • Customizable dice expressions and roll inspection
  • Editable dice faces and custom modes
  • Decision wheels and finger draw participant selector
  • Virtual coin flips with detailed simulation results
  • Card drawing and Texas Hold'em probability simulation
  • Customizable game boards with tile arrangement
Features
Read full description

Game Roller brings dice, cards, coin flips and random choices together for tabletop adventures, parties and everyday decisions. YOUR DICE, YOUR GAME BOARD Combine dice expressions in the calculator, inspect roll details and re-roll recent formulas. Browse presets for popular tabletop RPGs and board games, or save named formulas with your own colors. Create game boards with a custom grid and arrange formula tiles by position, size, title and color. Tap a tile to roll and see its result. Start with an RPG, investigator or board-game layout, then make it your own. DICE WITH YOUR OWN WORDS Free Dice lets you edit the text on dice faces, choose the number of dice and save custom modes. Try presets for parties, meal choices and date ideas, or build your own. FINGER DRAW & DECISION WHEELS Everyone places a finger on the screen, then a countdown leads to one randomly chosen participant. Set a player count for automatic starts. Spin a decision wheel with editable choices and saved sets, or use the letter and yes/no choice mode. COINS & TRADITIONAL THROW MODES Flip virtual coins in different styles. Simulate up to 100,000 flips and view every result, heads and tails totals, and the longest streaks for each side. Explore Six Yao with original and changed hexagrams and saved history, or try virtual Jiaobei blocks. CARDS & PROBABILITY Roll standard dice, draw playing cards and explore dice simulations. Study Texas Hold’em with configurable players, standard and short-deck modes, and estimated winning probabilities. MADE FOR IPHONE & IPAD A refreshed home screen keeps your tools within reach, with layouts for both iPhone and iPad. The full-version in-app purchase unlocks unlimited dice and poker simulations and automatic dice rolls. Free simulation quotas apply. When an ad is available, completing a rewarded ad unlocks all features for 3 hours. Poker simulations are for learning and reference; estimated probabilities do not guarantee results.

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 “VOICEVOX: Zundamon”

Screenshots

Game Roller3 screens
Cat Probability Roulette3 screens

Verdict

The call

The clearest difference is ads: Game Roller at none against Cat Probability Roulette's shown. Game Roller also leads on update cadence (every 2 weeks vs every 2 months). Cat Probability Roulette's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Game Roller sells 1 one-off in-app purchase and Cat Probability Roulette sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Game Roller ships an update every 2 weeks, Cat Probability Roulette every 2 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Game Roller versus Cat Probability Roulette: the parameters behind the verdict, then further details
ParameterGame RollerCat Probability Roulette
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size10 MB138 MB
Age rating4+4+
Developer先凤 韩Yusuke Okada

In-app purchases

1 purchases

Game Roller

One-time1
  • Unlock full features$1.99
1 purchases

Cat Probability Roulette

One-time1
  • [Remove Ads]$0.49

Questions

Is Game Roller free?
Game Roller is free to download, with in-app purchases available.
Is Cat Probability Roulette free?
Cat Probability Roulette is free to download, with in-app purchases available.
Do Game Roller or Cat Probability Roulette have ads?
Cat Probability Roulette shows ads; Game Roller does not.
Which is updated more often, Game Roller or Cat Probability Roulette?
Game Roller ships an update every 2 weeks, and Cat Probability Roulette every 2 months. Most recently, Game Roller was updated on November 4, 2026 and Cat Probability Roulette on November 5, 2026.

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