Comparison

Happy Stack Equilibrium vs Tetros

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Happy Stack Equilibrium

Features
Read full description

Stack happy shapes and build the perfect figure in this relaxing 3D balance puzzle! Drag each smiling block onto the tower, find the right spot and keep everything steady until the timer runs out. Cubes, balls, triangles and long bars: every level is a new little challenge for your balance skills. HOW TO PLAY • Drag a shape and release it on the tower • Place every piece of the level • Keep the tower standing until the countdown ends • If a shape falls, try again! FEATURES • Simple one-finger controls: easy to learn, hard to master • 50 colorful levels with their own figures • Cute shapes with happy (and scared!) faces • Collect diamonds and use them to skip tricky shapes • Watch a video to earn extra diamonds • Relaxing music and satisfying sounds • Play offline, anytime, anywhere • Free to play Can you keep them all happy? Download Happy Stack Equilibrium and start stacking!

About

Tetros

An addictive puzzle game where you strategically place uniquely shaped pieces onto a grid to achieve a perfect fit. It offers a fresh take on classic block puzzles with satisfying gameplay and brain-training challenges.

Highlights
  • Satisfying shape placement
  • Fresh take on classic mechanics
  • Strategic and relaxing gameplay
  • Endless puzzle variety
  • Clean and minimalist visuals
  • Offline play
Features
Read full description

Step into a world of perfectly placed shapes, where every move matters and every decision brings you closer to that satisfying "just right" moment. In this addictive puzzle experience, your goal is simple: place each shape onto the grid and make everything fit flawlessly. But beneath this simple idea lies a deeply engaging challenge that will test your logic, precision, and spatial thinking. Blending the familiar feel of classic block puzzles with a fresh, modern twist, the game introduces smooth, rounded tetromino shapes that feel both intuitive and uniquely satisfying. Every level presents a new opportunity to think ahead, adapt, and find the perfect placement. - Satisfying Shape Placement: Drag and drop beautifully designed shapes onto the grid and experience the joy of a perfect fit. Every successful move delivers a clean, rewarding sense of completion. - Fresh Take on Classic Mechanics: Inspired by timeless block puzzle games, but reimagined with soft, rounded shapes and smarter placement mechanics that require planning and foresight. - Strategic and Relaxing Gameplay: Take your time, think through your moves, and find the optimal way to place each piece. It's the perfect balance between challenge and relaxation. - Endless Puzzle Variety: No two situations feel the same. Each set of shapes creates new spatial challenges that push your creativity and problem-solving skills. - Clean and Minimal Visuals: A modern, minimalist design keeps the focus on gameplay while enhancing the satisfying feel of placing shapes perfectly into place. - Brain-Training Fun: Improve your spatial awareness, logic, and strategic thinking as you learn to see patterns and plan ahead. - Play Anywhere, Anytime: Enjoy the game offline with no interruptions. Perfect for quick sessions or long, focused play. Every placement matters. Every shape has its place. Can you find the perfect fit every time? Your journey to the perfect fit starts now.

Screenshots

Happy Stack Equilibrium4 screens
Tetros4 screens

Verdict

The call

The clearest difference is ads: Happy Stack Equilibrium at none against Tetros's shown. Tetros's advantage is update cadence (every 3 months vs every 76 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Happy Stack Equilibrium ships an update every 76 months, Tetros every 3 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Happy Stack Equilibrium versus Tetros: the parameters behind the verdict, then further details
ParameterHappy Stack EquilibriumTetros
PriceFreeFree
Rating—4.3 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 76 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size75 MB137 MB
Age rating4+4+
DeveloperFrancesc Navarro MachioRaul Davrishev

In-app purchases

None

Happy Stack Equilibrium

No in-app purchases

None

Tetros

No in-app purchases

Questions

Is Happy Stack Equilibrium free?
Happy Stack Equilibrium is free to download, with no in-app purchases.
Is Tetros free?
Tetros is free to download, with no in-app purchases.
Do Happy Stack Equilibrium or Tetros have ads?
Tetros shows ads; Happy Stack Equilibrium does not.
Which is updated more often, Happy Stack Equilibrium or Tetros?
Happy Stack Equilibrium ships an update every 76 months, and Tetros every 3 months. Most recently, Happy Stack Equilibrium was updated on November 7, 2026 and Tetros on October 31, 2026.

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