# Thumb War – Reaction Challenge — Who has the fastest thumb? > Competitive two-player game where players race to tap a button closest to zero. (iPhone/iPad app by Duncan Cuthbertson.) - Source: https://appshunter.io/ios/app/thumb-war-reaction-challenge/id448162560 (this page in markdown: same URL + `.md`) - Developer: [Duncan Cuthbertson](https://appshunter.io/developer/432092718) - Category: Games, Entertainment, Puzzle, Strategy - Price: Free with in-app purchases - Rating: 4.28/5 from 36 App Store ratings · 15 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 9 MB - Languages: American English - Released: 2011-07-12 - Data updated: 2026-10-24 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/thumb-war-reaction-challenge/id448162560/reviews.md ## What is Thumb War? THUMB WAR – THE ULTIMATE 2-PLAYER REACTION CHALLENGE! Think you’ve got faster reactions than your friends? It’s time to put your timing skills to the test with Thumb War! Thumb War is a simple, addictive and competitive two-player game that’s guaranteed to bring out your competitive side. HOW TO PLAY 1. Place your finger on the gold button on one side of the screen. 2. Ask your opponent to place their finger on the other side. 3. Watch as the countdown begins. 4. Lift your finger as close to zero as possible. 5. The player who stops closest to zero wins the round! Sounds easy? Think again! Getting your timing just right takes concentration, quick reactions and a steady nerve. GAME FEATURES • Fun, fast-paced two-player gameplay. • Challenge friends and family on the same device. • Exciting countdown battles. • Simple controls that anyone can master. • Instant results to reveal the winner. • Great for parties, gatherings and competitive friends. • Play again and again to improve your timing. PERFECT FOR ANY OCCASION Whether you’re relaxing with friends, enjoying a family games night or looking for a quick competitive challenge, Thumb War delivers instant entertainment. No complicated rules, no lengthy setup. Just two players, one countdown and one winner! Are you ready to declare a THUMB WAR? Download now and let the battle begin! ## Key features - Two-player thumb war challenge - Tap and release gameplay - Closest to zero wins - Addictive competitive fun - Simple controls ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | upgrade to remove the adverts | $2.99 | one-time | ## Is Thumb War safe? Thumb War – Reaction Challenge appears mostly safe based on user ratings. The AppsHunter Safety Score for Thumb War is 80 out of 100. This assessment is based on 36 user ratings, with an App Store average of 4.3 out of 5. Of 36 App Store ratings, 80.6% point to a safe experience, 5.6% suggest some concerns, and 13.9% point to a risky experience. ## Is Thumb War legit? Thumb War – Reaction Challenge appears to be a legitimate app. The AppsHunter Legitimacy Score for Thumb War is 90 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (10 of 15) All indexed reviews: https://appshunter.io/ios/app/thumb-war-reaction-challenge/id448162560/reviews.md ### 5/5 — Great fun for all the family *2022-12-23, version 7.6* We had great time over Christmas playing this game ### 1/5 — Not worth it. 👎🏻😕 *2020-04-06, version 7.6* I got the app thumb war. I thought OMG this looks interesting. When I started to play it did not even tell me the rules! I never play it. It is just simply NOT WORTH IT! Who wants this app? (No one says me!) see? It is a waste of time! BOO YOU WHOEVER MADE THIS SILLY BAD STUPID APP! I AGREE WITH THE PERSON WITH ONE STAR RUBBISH AND JUST NOT WORTH IT DO NOT TRY OUT THIS SOUR APP! ☹️🙁☹️👎🏻👎🏻👎🏻⛈❌❌❌❌‼️❗️⁉️⛔️⛔️⛔️⛔️❌⁉️❗️⛔️❌❌❌❌❌❌❌❌❌❌❌❌❌ really I mean it not worth it. All you do is hold your finger down on a number which is either too high or too low. No music 🎶 to enjoy I don’t like the loud voice saying Thumb War! Do not get it waste of time NOT AT ALL WORTH IT! ### 5/5 — I hit zero! *2015-11-26* Get this game. It's so much fun and very addictive. ### 3/5 — Mah *2015-08-11* To many adds but very interesting when you can play it with a friend. ### 5/5 — Donavan hit zero 0 *2015-07-29* I can't believe Donavan hit zero omg again ### 5/5 — GET! *2015-07-25* A must play! You and your friend will have tons of fun trying to get the precise timing and beat each other! You will love! ### 5/5 — Superb!! *2014-03-21* The layout is interesting and graphics are cute. creating such a great game!! Thank you so much for make this app !! ### 5/5 — Unique game. *2014-03-19* so much fantastic features and outstanding game! it's so much exciting and Thrilling experience to play this game ### 5/5 — Love it *2014-03-06, version 4.8* Really good game ### 1/5 — Rubbish *2013-12-21, version 4.6* NEVER get this app because it just drives people like when I was playing it with my friends! And if you get this app you have hardly any room for any more apps and stuff! And it makes no sense atoll what so ever!!! I rate this app 0/10 And I'm just gonna gone delete it now ## Frequently asked questions about Thumb War ### What is Thumb War!? Thumb War! is a simple two-player game where players compete to tap a button and release their thumb as close to zero as possible without going over. The player closest to zero wins the round. ### How do you play Thumb War!? Place your thumb on the gold button, have your friend do the same on the other side. A countdown will begin. Release your thumb as close to zero as possible without going over to win the round. ### What devices does Thumb War! support? Thumb War! is available on iPhone, iPad, and iPod. It was released on July 12, 2011, and its latest version is 7.6, updated on January 15, 2018. ### What is the age rating for Thumb War!? Thumb War! has an age rating of 4+, making it suitable for young children and families. ### Does Thumb War! have ads? No, Thumb War! does not contain advertisements. ### What is the rating of Thumb War!? Thumb War! has a strong rating of 4.3 stars based on 36 ratings, indicating positive user reception. ### Is Thumb War! free to download? Yes, Thumb War! is free to download and play. It does offer in-app purchases. ### How often is Thumb War! updated? The last update for Thumb War! was on January 15, 2018, with version 7.6. It has not been updated recently. ## Version history (last 5 releases) ### 8.0 — 2026-10-22 Thumb War is back and better than ever! We’ve given the game a fresh update to make challenging your friends even more fun. WHAT’S NEW • Updated and modernised for the latest iPhone and iPad devices. • Improved gameplay and smoother countdown animations. • Enhanced sound effects and looping background music. • Improved layouts for different screen sizes. • Updated advertising experience. • Improved in-app purchase option to remove adverts. • Bug fixes and performance improvements. Same addictive gameplay, now better than ever! Challenge your friends and see who can get closest to zero! ### 7.6 — 2018-01-15 This app has been updated by Apple to display the Apple Watch app icon. Bug fixes ### 7.4 — 2017-12-18 Bug fixes ### 7.2 — 2017-12-09 A much needed update, We have improved the stability of the app and have also added support for the iPhone X ### 7.0 — 2016-06-10 On this update we have fixed a small but in the app and upgraded some API's ## More apps by Duncan Cuthbertson - [Perfect Girlfriend](https://appshunter.io/ios/app/perfect-girlfriend/id446224415) - [Sex Chat](https://appshunter.io/ios/app/sex-chat/id447699264) - [DJ M8](https://appshunter.io/ios/app/dj-m8/id449002444) - [Send a Rose](https://appshunter.io/ios/app/send-a-rose/id450940935) - [Ask Ya Mum](https://appshunter.io/ios/app/ask-ya-mum/id451810733) All apps by Duncan Cuthbertson: https://appshunter.io/developer/432092718 ## Related topics [oink thumbs](https://appshunter.io/ios/topics/oink-thumbs) · [thumb design](https://appshunter.io/ios/topics/thumb-design) · [tom thumb for u](https://appshunter.io/ios/topics/tom-thumb-for-u) · [thumbies](https://appshunter.io/ios/topics/thumbies) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*