Thumb War – Reaction Challenge
Not in any tracked top chart right now.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperDuncan Cuthbertson
CategoryGames
PriceFree
Released
Rating★ 4.0 (22)
Version8.0
Age rating4+
First seen by us
23 Oct 2026
Rating
4.0 ★
22 ratings
Measured
Thumb War – Reaction Challenge on the App Store
App details
App ID
448162560
Publisher
Duncan Cuthbertson
On the store since
Jul 2011
15 years on the store
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
9 MB
Also listed in
Puzzle, Strategy, Entertainment
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.0 ★
22 ratings
Measured
Ratings
22
Measured
About Thumb War – Reaction Challenge
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!
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!
Latest updates
8.0
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!