Power One
Let's count quickly!
Only for iPhone
$0.29 · Designed for iPhone. Not verified for macOS.
iPhone
A simple game for developing motility and speed of thinking. This game can be played by children and adults.
The game develops motility and speed of thinking.
In the beginning of the game you will see four-digit number.
Add one to each digit of that number and enter result.
For example: if the number 0296 appeared, so you need to enter 1307.
0 -> 1
2 -> 3
9 -> 0
6 -> 7
If the number is correct – you get 1 point. If not – lose 1 point.
After the answer was entered, the next number will appear and so on, till 1-minute countdown finish.
Your task to get as many points as possible.
Your records will be displayed at the Leaderboard as well as your opponent’s records. Inviting friends will be possible in particular.
Ratings & Reviews
New optimized code, Slightly modified interface, advertising removed
The developer, Yuri Goncharov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yuri Goncharov
- Size
- 4.9 MB
- Category
- Casual
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Made for Ages 9–11
- Copyright
- © 2026 monkeyfhtagn
