Increment: Mental Math

Fast mental-math brain game

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

How fast can your brain add? Transform the number before the clock runs out, chase streaks, and climb the levels. One wrong move and you're out. Beat your best. **Increment** is a fast-paced, arcade-style mental math game that turns simple arithmetic into a test of speed and reflexes. The rules are simple: you're shown a number and an instruction, such as **"Add 1 to each digit."** Enter the transformed number before the timer runs out. **125 → 236** Sounds easy? Now do it in 1.5 seconds. Then the digits start rolling over, so **9 → 0**. The increment increases to **+2**, then **+3**. The numbers get longer. The timer gets shorter. Chain together correct answers to build streaks, level up, and push your score higher. As you progress, every round gets faster and more challenging. Make three mistakes, and it's game over. Then you'll probably hit **Play Again**. ### Features * Fast, addictive arcade gameplay with instant restarts * Escalating difficulty with more digits, larger increments, and tighter time limits * Streaks and levels that reward speed and accuracy * Digit roll-over mechanics (9 → 0) that keep every answer interesting * Clean, high-contrast interface designed for one-handed play * Tracks your highest score and longest streak * Optional one-time **Remove Ads** upgrade Whether you're looking to sharpen your mind, fill a couple of spare minutes, or chase a new personal best, **Increment** delivers pure, addictive mental math. No accounts. No distractions. Just you, the numbers, and the clock.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

The developer, Jason Mogera, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Jason Mogera
Size
  • 5 MB
Category
  • Puzzle
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 SSGM LLC
  • Developer Website
  • Privacy Policy