About this app
Rainbow sudoku with *1 million* free puzzles to play! Heart Sudoku is a beautiful, colorful way to enjoy sudoku. Gems flip into place when you get an answer right. Tap a number to make it glow and solve the puzzle even faster. A rainbow light show celebrates your win! There are lots of options for how to play: two keypads for faster note entry, or one with a note toggle for those who don't use many notes. Turn the timer on to compete with other players, or off to relax, whichever suits your mood. Let auto-note do the busywork for you, or leave it off for a bigger challenge. Be sure to try all three puzzle themes! • 1 million puzzles, five levels. All Free! • Three different puzzle themes • Tracks your averages, records, and more • See how you stack up against other players • Turn off the timer for a relaxing game
Latest release
What’s New
This update includes a few bug fixes. Thanks so much to everyone who has sent feedback! I hope you enjoy the update. -Sarah
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 15, 2026 · 7:14 PM Free