STACKOUT – Math Blocks

Merge numbers. Clear the board

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

100 levels. 10 neon chapters. Master Exact Clears, trigger Power Clears, race the clock, earn 300 stars, and rescue runs with Lifeline. STACKOUT is a fast, strategic number puzzle where every move matters. Swipe neighboring tiles to combine their values, hit the exact target, and clear the board before the stack traps you. Journey through 100 levels across 10 neon chapters, with new challenges and tougher objectives appearing as you progress. MASTER EXACT CLEARS Build the exact number shown at the top of the screen and clear it from the board. TRIGGER POWER CLEARS Create powerful chains and blast multiple tiles away in spectacular neon reactions. RACE THE CLOCK Special timed missions push you to think quickly as the countdown becomes increasingly intense. EARN UP TO 300 STARS Complete levels, improve your score, land more Exact Clears, and master Power Clears to earn all three stars. TAKE ON SPECIAL MISSIONS Face Exact Clear challenges, Power Clear objectives, timed Speed Stack levels, and mixed mastery missions. KEEP YOUR RUN ALIVE Optional rewarded Lifelines can give you another chance after a losing move, while timed levels can offer extra seconds when time runs out. DAILY STACK Come back for daily challenges and keep building your streak. FEATURES • 100-level Journey • 10 neon chapters • 300 stars to earn • Exact Clear challenges • Power Clear mechanics • Timed missions • Daily Stack challenges • Optional rewarded Lifelines • Fast sessions with strategic number puzzles • Neon visual effects, sound and haptic feedback Think fast. Stack smart. Hit the exact target.

Ratings & Reviews

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STACKOUT just got much bigger. • Explore a new 100-level Journey across 10 chapters • Earn up to 300 stars • Take on Exact Clear challenges • Trigger powerful Power Clears • Race against the clock in timed missions • Face new mixed mastery challenges • Use Lifeline to rescue a losing run • Get extra time after Time Up with optional rewarded ads • Enjoy a redesigned challenge HUD • Experience improved animations, effects and level-complete celebrations • See clear star goals for every level Thanks for playing STACKOUT!

Version 1.3.0

The developer, Ricardo Pinheiro, 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 Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Not Linked to You

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

    • 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
  • Ricardo Pinheiro
Size
  • 76.3 MB
Category
  • Puzzle
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
Copyright
  • © 2026 Ricardo Pinheiro
  • Developer Website
  • Privacy Policy

    • More by Ricardo Pinheiro