8 Up

Fast Mental Math Puzzle

Only for iPhone

Free · In-App Purchases

iPhone

Start from zero and go as far as your skills take you. Combine numbers with +, –, ×, ÷, collect bonus signs, and challenge players worldwide on Game Center. Give your brain a workout with a fun and endlessly replayable math challenge. Start from zero and advance step-by-step by combining numbers with addition, subtraction, multiplication, and division. It’s simple enough for beginners, yet deep and strategic enough to keep advanced players hooked. You begin with a limited set of signs, encouraging planning, problem-solving, and strategic thinking. Use them carefully—and earn bonus signs by making smart choices. Each run is unique, and there’s no limit to how far you can go. Compete with friends and family through Game Center leaderboards, track your improvement, and enjoy a clean, easy-to-use interface designed for focus and clarity. Great for learners and enthusiasts • Encourages mental math skills • Teaches planning and logical thinking • Fun for kids, students, and adults • No timers or pressure—play at your own pace • Endless gameplay with meaningful progression Whether you’re playing for fun, practice, or competition, this game makes math exciting, strategic, and genuinely rewarding.

Ratings & Reviews

  • This app has not received enough ratings or reviews to display an overview.

The developer, Levon Arakelyan, 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.

    Privacy practices may vary based, for example, 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

    • Provider
      • Levon Arakelyan
    • Size
      • 47.6 MB
    • Category
      • Puzzle
    • Compatibility
      Requires iOS 18.6 or later.
      • iPhone
        Requires iOS 18.6 or later.
      • Apple Vision
        Requires visionOS 2.6 or later.
    • Languages
      English and 4 more
      • English, Armenian, French, Russian, Simplified Chinese
    • Age Rating
      9+
    • In-App Purchases
      Yes
      • Start from 80 USD 2.99
      • Start from 200 USD 14.99
      • Start from 100 USD 4.99
      • 50 multiplications USD 0.99
      • 50 plus USD 0.99
      • Start from 150 USD 8.99
      • 70 undos USD 4.99
      • 50 divisions USD 0.99
      • 60 undos USD 2.99
      • 50 subtractions USD 0.99
      • Learn More
    • Copyright
      • © Levon Arakelyan
  • Developer Website
  • Privacy Policy

    • Supports

    • Game Center

      Discover new games and play with friends.

    More by Levon Arakelyan