Angry Math - 1 second

2 Player Math Battle: Brain IQ

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

How fast is your brain? Answer math problems in 1 second or it’s over. Challenge a friend on one device, track their status live, and climb the leaderboards. 2 PLAYERS. 1 PHONE. 1 SECOND. Split-screen math battle on the same device. Every problem gives you one second to tap TRUE or FALSE - first wrong answer loses. PLAY SOLO TOO Five difficulty levels and live leaderboards when there is no one to beat at the table. 1 SECOND. NO EXCUSES. Each round shows a math expression and a shrinking timer bar. Tap TRUE if the statement is correct. Tap FALSE if it is wrong. Stay alive by answering fast and accurately. FIVE DIFFICULTY LEVELS • Easy - Simple addition for quick starts • Normal - Addition and subtraction with more pressure • Hard - Bigger numbers and multiplication • Super Hard - Three-operand problems at relentless speed • Mix - Starts easier, then escalates as you survive LIVE LEADERBOARDS Track your best scores across five live leaderboards. Every new personal best can be submitted automatically so you can see how you stack up globally. BUILT FOR SPEED • Large TRUE and FALSE controls • 3-2-1 countdown before each run • Haptic feedback and punchy sound effects • Clean high-contrast visuals focused on the math PRO UNLOCK Upgrade once to remove ads, unlock Practice mode, and unlock visual themes and font options. Practice mode lets you set your own per-problem timer, choose your difficulty, and drill without leaderboard pressure. NO NONSENSE Free to download. No account required. One optional Pro upgrade removes banner ads and unlocks everything. Just math, pressure, and reflexes.

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v1.2.3 - Bug Fixes and Improvements This update includes small bug fixes and general improvements to keep the experience smooth and reliable.

Version 1.2.3

The developer, Tien Dat Nguyen, 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 Linked to You

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

    • 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
Tien Dat Nguyen
Size
7.2 MB
Category
Puzzle
Compatibility
Requires iOS 18.0 or later.
  • iPhone
    Requires iOS 18.0 or later.
  • iPad
    Requires iPadOS 18.0 or later.
  • Mac
    Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 2.0 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 Kin Lab
  • Developer Website
  • Privacy Policy

    • More by Tien Dat Nguyen