KudosLearn
20 techniques, each with a lesson that stops a real puzzle right where it's needed. Drills, a technique of the week, and a journey that grows with you.
Sudoku that teaches.
Every hint shows the next logical step and names the technique behind it. Use a technique, earn credit for it. Earn enough, earn its badges.
Get Kudos for iPhone and iPadFree to play. One purchase unlocks everything, for your whole family.
Learn the techniques, not just the answers
Every puzzle can be solved by logic alone. Kudos shows you how, one technique at a time, and gives you kudos for using them.
Play
A new daily puzzle at every level, 110,000 more from Easy to Extreme, and a rating that rises when you solve puzzles above it.
Create
Scan a puzzle from the newspaper and play it with hints, or make your own and see how hard it is. Share any puzzle with a link, or challenge a friend.
Kudos where it's due
Badges for every technique you use, streaks, stats, and a replay of every solve.
110,000puzzles, each graded by the techniques it needs
20techniques, from hidden singles to chains
138badges to earn
5levels, Easy to Extreme
Free to play. Pay once.
No ads. No subscription. No account.
Free
- Every daily puzzle, at every level
- Easy and Medium puzzles
- Any puzzle a friend sends you
- 3 hints a day
Full game, one purchase
- Hard, Expert and Extreme: 50,000 more puzzles
- Every lesson, drill and practice set
- Unlimited hints, auto notes and scans
- Shared with your family through Family Sharing
Private by design
Kudos collects nothing. It works offline, scans are read on your phone, and your progress syncs through your own iCloud.
No tracking
No ads
No account
Works offline
iCloud sync