Crossum — Brain Math Cross
Trivia In-app purchases Contains ads
Fill cross equations to train your brain. Solve daily & raise your IQ rank!
- Downloads
- 5+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Aug 15
- 2026 · v1.0.17
Screenshots
About Crossum — Brain Math Cross
Place the right numbers into intersecting cells to complete every horizontal and vertical equation. It is not just arithmetic — use logic to decide which cell to solve first.
■ FEATURES
- 4 difficulties, from Easy 5×5 to Expert 11×11
- Brain rank: rise from Novice to Einstein as your IQ grows
- Daily Challenge with the same puzzle worldwide
- 3 hints and 3 hearts to help when you get stuck
- Achievements and a global best-IQ leaderboard
- Full offline play
Perfect for fans of sudoku, math puzzles, and logic games, or for a focused break on your commute.
Wake up your brain with Crossum for five minutes a day!
What’s new
Version 1.0.17 · Updated August 15, 2026
Crossum — a brain-training cross-math puzzle you solve with numbers! Fill the crossing equation cells so every formula checks out. From plus/minus to multiply/divide and three-term chains, the challenge grows as your brain does. • 4 levels — Easy, Normal, Hard, Expert — plus a fresh Daily Challenge every day • A brain rank that climbs as you play (Novice → Scholar), with an IQ gauge The perfect daily number workout for a sharp mind. Start now!
Alternatives to Crossum — Brain Math Cross
Looking for apps like Crossum — Brain Math Cross? Here are 6 similar Android apps on Google Play. The highest rated is Chess Sudoku (4.7/5), and 3 of the 6 are free to download.
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Crossum — Brain Math Cross | – | Free | 5+ | Aug 15, 2026 | |
| Learn English Words | – | Free | 100+ | Sep 20, 2026 | Compare |
| Crossword Quest Premium | 4.4 / 5 | 2.99 USD | 10,000+ | May 29, 2026 | Compare |
| Guriddo: Stradoku Number Game | 4.6 / 5 | Free | 100,000+ | Aug 11, 2026 | Compare |
| Killer Sudoku | 4.5 / 5 | 4.99 USD | 10,000+ | May 5, 2026 | Compare |
| TED Tumblewords | 4.6 / 5 | Free | 50,000+ | Mar 5, 2026 | Compare |
| Chess Sudoku | 4.7 / 5 | 4.99 USD | 10,000+ | Dec 7, 2025 | Compare |