Best Kakuro Apps for iOS and Android (2026)
A comparison of the top Kakuro apps available this year. Features, pricing, and which one is worth your time.
Kakuro on your phone is convenient, portable, and does not require a pencil. But not all Kakuro apps are created equal. Some are full of ads, some have ugly grids, and some do not even have proper hint systems. Here are the best options for 2026.
What to look for in a Kakuro app
A good Kakuro app needs: a clean grid that is easy to read, pencil mark support, a hint system that helps without spoiling, multiple difficulty levels, offline play, and minimal ads. Bonus features like daily puzzles, streak tracking, dark mode, and cloud sync round out the experience.
KakuroZen (iOS and Android)
KakuroZen is built by the same team that makes the puzzle books. It has a daily puzzle, five difficulty levels, smart hints, offline play, and a zen-inspired design with no clutter. The first 50 puzzles are free. Unlimited puzzles are a one-time purchase. No subscription. No recurring ads. The app supports both light and dark mode and syncs progress across devices if you sign in.
Other options
Several other Kakuro apps exist on both platforms. Some are free with ads, some are paid, and some use a subscription model. When evaluating, pay attention to the grid quality. If the numbers are hard to read or the tap targets are too small, the app will frustrate you. Also check whether the app generates puzzles with guaranteed unique solutions. Some cheap apps generate puzzles that have multiple solutions, which ruins the logic experience.
Tablet vs phone
Kakuro plays better on a tablet than a phone because the grid is larger and easier to read. If you have an iPad or Android tablet, try solving there. The KakuroZen app automatically adjusts to tablet screen sizes.
Paper vs digital
Some people prefer paper. There is something satisfying about pencil on paper. Others prefer the convenience of an app. The best approach is both. Use the app for daily practice and commute puzzles. Use the books for focused sessions at home. Your brain does not care which medium you use. It just wants the workout.