Calculuz vs Fly
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Calculuz
A challenging math puzzle game where you fill in missing numbers in formulas. Progress through increasing difficulty levels, use power-ups, and compete for high scores. Tests arithmetic skills with timed challenges.
- Fill missing numbers in formulas
- Progressive difficulty levels
- Timed challenges
- Power-ups available
- Highscore lists for competition
- Multiple formula collections
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Calculuz is an engaging and challenging math puzzle game that requires players to use their arithmetic skills to fill in missing numbers in a given formula. The game is organized into different formula collections, with each collection containing a series of formulas that increase in difficulty. Players progress through the collections by filling in the missing numbers in each formula correctly. The game mechanics are simple but effective, with players using the available numbers on the board to complete the formula. To increase the challenge, the game gradually increases the size of the board and the range of numbers available as players progress through the collections. Some formulas also have a time limit, which adds an extra layer of difficulty and encourages players to think quickly and strategically. Calculuz also features power-ups and highscore lists, which add an extra element of excitement and competition to the game. Players can use power-ups to reveal the numbers they can use to complete a formula successfully, while highscore lists allow them to compete against others and strive for the top spot. Overall, Calculuz is a fun and challenging math puzzle game that is sure to test players' arithmetic skills and keep them engaged for hours on end.
Fly
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Fly Neurogame - The Ultimate Brain Training Experience Welcome to Fly, an innovative neurogame designed to enhance your cognitive abilities while having fun! This scientifically-based game helps improve attention, spatial awareness, hand-eye coordination, and reaction time through engaging gameplay. KEY FEATURES: • Progressive Difficulty Levels - Start easy and advance as your skills improve • Multiple Game Modes - Various challenges to keep your brain engaged • Real-time Performance Tracking - Monitor your progress and improvements • Scientifically Designed - Based on neuropsychological principles • Suitable for All Ages - From children developing cognitive skills to adults maintaining mental sharpness • Privacy Protection - Comprehensive privacy policy ensures your data security HOW IT WORKS: Control a fly navigating through increasingly complex environments. The game adapts to your skill level, ensuring you're always appropriately challenged. Each session helps strengthen neural pathways associated with attention, spatial processing, and motor control. BENEFITS: • Improved Attention Span - Train your brain to focus better • Enhanced Coordination - Develop better hand-eye coordination • Faster Reaction Times - Sharpen your reflexes • Better Spatial Awareness - Improve your ability to navigate space • Cognitive Flexibility - Adapt quickly to changing challenges PERFECT FOR: • Students looking to improve concentration • Adults wanting to maintain cognitive sharpness • Anyone seeking fun brain training • Therapeutic applications for attention training • Educational settings for cognitive development The game features clean, intuitive controls and visually appealing graphics that make brain training enjoyable rather than a chore. Regular play has been shown to produce measurable improvements in cognitive performance. Start your brain training journey today with Fly Neurogame - where science meets fun!
Screenshots
Verdict
The clearest difference is in-app purchases: Fly at none against Calculuz's 7. Calculuz's advantage is iOS requirement (12.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Calculuz sells 7 one-off in-app purchases. Fly asks for nothing beyond the download.
Calculuz ships an update every 6 days, Fly every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | Calculuz | Fly |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 days | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 82 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Bad Rhino ApS | Alex Klimenkov |
In-app purchases
Calculuz
- 10 lifes$0.99
- 25 lifes$1.99
- 50 lifes$2.99
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- 100 lifes$5.99
- 250 lifes$9.99
- 500 lifes$17.99
- 1000 lifes$22.99
Fly
No in-app purchases









