A swipe-to-solve number puzzle for Android

Connect numbers.
Match every target.

Find your next solution.

You get a ring of numbers and operators. Swipe through them to build equations that hit the targets at the top. It plays offline, at your own pace, in light or dark.

Get it onGoogle Play 4.6from 5.24K reviews · Free

Level

Journey

Score

Drag from a number, through an operator, to a number.

This is the app's real first level. Go on, make a 5.

Same ring. Three ways to read it.

Switch any time. Your level, score, hints, and Journey progress stay the same. Picking a mode here switches the board up top too.

Balanced puzzles.

The everyday mode. Adds multiplication and bigger numbers, and swings between easy and tricky rounds.

4+1=5

6×3=18

Play Regular on the board

Real screenshot from the Play Store listing

Every solved idea leaves a trail.

Journey is the app's long game: insight ranks, achievements, and 46 badges. Eleven of them stay secret until you stumble onto them.

The panel here is wired to the board above, so it fills in as you play. It only counts puzzles solved on this page and lives in your browser. The app keeps its own.

Insight rank

Seed of Curiosity

Every great pattern begins with a question.

insight points on this page ·to Pattern Scout

0
Puzzles: 0
Best no-hint streak: 0
Targets found

Badges

First Light
Complete your first puzzle
0/1
Trail Marker
Complete 25 puzzles
0/25
In the Flow
Complete 15 puzzles in one play session
0/15
Century Canvas
Complete 150 puzzles
0/150

Secret badges stay hidden until you find them in the app. Some reward unusual equations, quick solves, or no-hint streaks.

What it looks like on your phone.

Dark Regular board with targets 1, 3 and 5 and the equation 4 + 1 = 5 — Regular, dark theme

Light Children board with the equation 3 + 2 = 5 — Children, light theme

Journey screen showing the Seed of Curiosity rank — Your Journey

Badge collection with First Light, Trail Marker and Century Canvas — Badges, some secret

Choose difficulty dialog with Regular, Children and Genius — Switch difficulty any time

Genius board at level 75 with a square root cell — Genius, level 75

From the reviews.

4.6 average from 5.24K ratings on Google Play

“For everyone who says the games are too easy, I say keep playing… switch to the genius level. There are NO easy rounds from there on… Kids don't even know they are in math class.”

Curtis Tasker · 23 June 2021

The small print, up front.

Price: Free. Optional in-app purchases.
Offline: Puzzles and Journey work without internet. Purchases and online services need a connection.
Your data: No data collected, none shared with third parties, per the Play Store data safety listing.
Progress: Saved on your device.
Themes: Light and dark.
Rated: Everyone.
Last update: 14 September 2026.

Start with a simple equation and see where your curiosity takes you.

Get it onGoogle PlayFree on Android · Plays offline