AppMarketSpyAppMarketSpy › Games › Gear Ratio Puzzle: Spin Right
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Gear Ratio Puzzle: Spin Right is an iOS game by Norimitsu Ito, released on Oct 23, 2026. The current version, 1.0, came out 4 days ago. It has no ratings yet. It is free to download and offers 1 in-app purchase priced $2.99.
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App info
- Developer
- Norimitsu Ito
- Category
- Games, Puzzle, Education
- Released
- Oct 23, 2026
- Version
- 1.0 (Oct 23, 2026)
- Price
- Free
- Size
- 1.1 MB
- Requires
- iOS 26.0
- Age rating
- 4+
- Languages
- English and Japanese
In-app purchases
| Unlock All Chapters | $2.99 |
Current prices, App Store US.
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About Gear Ratio Puzzle: Spin Right
Place gears so the output turns exactly as asked. Connect the motor to the output axle and match goals like "clockwise ×2" or "counterclockwise ×1/2". The rules are those of real machines: • Meshing gears turn opposite ways • Speed changes by driver teeth ÷ driven teeth • Double gears on one axle multiply the ratio • A belt turns the other axle the same way at the same speed • A gear pushed two ways, or touching a brake, locks everything Solve with the fewest gears for three stars. Every one of the 120 puzzles is checked by a solver for a solution and its fewest gears. SIX CHAPTERS 1. Which Way? (free, 20 puzzles) 2. Faster, Slower 3. Double Gears 4. Belts 5. Brakes and Fixed Gears 6. Everything Together FULL VERSION (one-time in-app purchase) Chapter 1 is free. The full version adds 100 puzzles in chapters 2 to 6. No subscription, no ads. ACCESSIBLE • Hints show the next gear • Undo…
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