Tracking since Sep 26 — growth appears once we have a second daily reading.
Update history
1.0.5Sep 16, 2026 · seen Sep 26, 2026
• Daily puzzle: a new 4x4 grid every day<br>• Hard mode now starts with 5 filled cells<br>• Undo and pause<br>• Statistics and achievements screens<br>• Switch language inside the app (EN/TR)<br>• Sound and haptic feedback<br>• Android 16 support and various bug fixes
Only the current version so far — new entries appear as the game ships updates.
Sumify is a relaxing yet addictive number puzzle that trains your brain one grid at a time. The goal is simple: fill the empty cells so that every row and column adds up to its target sum. Sounds easy? There is a twist: each number can be used only once!
If you enjoy sudoku, kakuro, math games or logic brain teasers, Sumify gives you a fresh challenge every time you play.
🧩 HOW TO PLAY
• Check the target sums next to each row and above each column
• Pick a number from the Available Numbers panel and place it in a cell
• Use every number only once and match all the sums
• Tap Check Solution when the grid is full
🎯 3 DIFFICULTY LEVELS
• Easy 3×3: perfect for beginners and quick breaks
• Medium 4×4: a real logic challenge
• Hard 5×5: the ultimate test for math puzzle fans
⭐ FEATURES
• A brand new puzzle every time you start a game
• Live sum feedback: row and column totals turn green when they are correct
• Timer and score system: solve faster, use fewer hints and make fewer mistakes to earn a higher score
• Beat your best time on every difficulty
• Stuck? Watch a short video to get a hint
• Leave a game and continue right where you left off
• Step-by-step visual guide to learn the rules in seconds
• Clean, modern design with satisfying confetti celebrations
• Available in English and Turkish
🧠 TRAIN YOUR BRAIN EVERY DAY
Sumify is the perfect daily brain workout. Play for a few minutes to relax, sharpen your mental math, practise addition and keep your mind active. It is a great logic game for adults, teens and anyone who loves number games.
Download Sumify now and start training your brain with numbers!