Numbro vs Flatbias
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Numbro
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Numbro turns math into a crossword. Fill in the missing numbers so every equation โ across and down โ works out at the same time. Easy to learn, surprisingly deep, and impossible to run out of: every puzzle is generated fresh, so no two levels are ever the same. WHY YOU'LL LOVE IT โ Endless puzzles โ levels are generated on the fly with a guaranteed unique solution. Level 500? Still brand new. โ 4 difficulties โ from relaxing Easy grids to Expert boards with 9 interlocking equations. โ Daily Puzzle โ one special puzzle every day. Keep your streak alive! โ Rank up โ earn 8 titles per difficulty, from Rookie all the way to Number King. โ Ever-changing shapes โ rings, ladders, panes, staircases and more, never the same shape twice in a row. MADE FOR COMFORT โ Dark Mode for late-night solving โ Large Numbers option for easy reading โ Unlimited undo, hints, and a friendly 3-heart system โ Play in English, Turkish, German or Spanish โ Works offline โ solve anywhere HOW TO PLAY Tap an empty cell, pick a number from the tray, and make every row and column equation true. Addition, subtraction, multiplication and division โ all in whole numbers, all solvable by logic. No guessing required. Whether you have two minutes in a queue or a whole evening on the couch, Numbro is the perfect quick brain workout. Download free and see how far your numbers can take you!
Flatbias
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Flatbias is a spatial puzzle where you draw roads on polyhedron nets and fold them into shape. HOW IT WORKS - You get the unfolded net of a polyhedron - Its faces are divided into cells, with a start and a goal - Tap cells to lay roads and link start and goal by the shortest route - Fold the net up. If start and goal connect, you clear it FEATURES - New puzzles arrive every Saturday - All kinds of solids, from the cube to the dodecahedron - Want more? Flatbias Pass unlocks the full catalog FLATBIAS PASS Monthly or yearly subscription with a 7-day introductory free trial: weekly new packs, all puzzles and back numbers, no ads, and unlimited hints. SUBSCRIPTION Flatbias Pass is an auto-renewable subscription. It renews automatically and is billed to your Apple Account unless you cancel at least 24 hours before the current period ends. Manage or cancel anytime in your device settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flatbias.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Numbro at none against Flatbias's 2. Numbro also leads on iOS requirement (12.0 vs 16.0). Flatbias's advantage is update cadence (daily vs every 5 weeks). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Flatbias sells 2 in-app purchases, starting at $2.99 per month. Numbro asks for nothing beyond the download.
Numbro ships an update every 5 weeks, Flatbias daily. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.
| Parameter | Numbro | Flatbias |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Daily โ better |
| Ads | Yes | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 30 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Oguzhan Ozer | Reckona Inc. |
In-app purchases
Numbro
No in-app purchases
Flatbias
- Flatbias Pass (Monthly)7 Days trial$2.991 Month
- Flatbias Pass (Yearly)7 Days trial$22.991 Year









