
Free
In-App PurchasesWith Ads
About
Equation Builder is a brain-training math puzzle game where you build equations to reach target numbers. Connect numbers and operators on a grid to form valid equations and clear each stage.
FEATURES:
- 14 Chapters with 210+ Stages of progressive difficulty
- Start with simple addition and advance through subtraction, multiplication, and division
- Grid sizes grow from 3x3 to 5x5 as you progress
- Earn stars to unlock new chapters and themed environments
- 5 Beautiful Themes: Ocean, Midnight, Forest, Sunset, and Neon
- Hints available when you get stuck
- Clean, intuitive swipe-based controls
CHAPTERS:
First Steps - Learn the basics with addition
Subtraction - Add subtraction to the mix
Bigger Board - Expand to a 4x4 grid with 2 numbers
Three Numbers - Tackle 3-number equations on a 4x4 grid
Multiply - Introduce multiplication
Big Numbers - Take on larger values
Wide Open - Master the 5x5 grid with 3 numbers
Products - Multiply on the big board
Divide & Conquer - Division meets the 5x5 grid
Tight Fit - Squeeze 4 numbers onto a 4x4 grid
Full Equation - Build complete 4-number equations
Open Field - 4-number equations on the 5x5 grid
Expert - Complete your operator toolkit
Challenge - Put your skills to the test
Whether you are a math enthusiast or just looking for a fun way to sharpen your mind, Equation Builder offers the perfect balance of challenge and satisfaction. How far can you go?
Show more
What's New in Equation Builder
1.0
April 21, 2026
2
In-App Purchases
$2.99
Remove Ads
Remove all ads from the app permanently.



