246+ iOS apps & games curated and reviewed
The best engineering games gears on iPhone average 4.5โ across 246+ titles โ we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6โ (947) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 4.7โ (1K) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.0โ (1) | Yes | No | Oct 2026 | |
| 4 |  | Free | โ | Yes | No | Aug 2026 | |
| 5 |  | Free | 5.0โ (3) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.5โ (130) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | 3.9โ (32) | Yes | No | Oct 2026 | |
| 8 |  | Free | 4.8โ (6) | Yes | No | May 2026 |
Merge and upgrade gears to earn in-game currency. Click to increase your earnings as you progress. This idle game offers a satisfying loop of merging and growing your gear collection for maximum profit.
Design, build, and command your own custom combat mechs in this action-strategy game. Unleash your creations in dynamic battles, utilize powerful support abilities, and crush waves of enemies to prove your tactical strength.
Build increasingly complex gearboxes from a single gear to massive industrial projects. Progress through six distinct engineering eras, unlock new materials, and automate your factory. Enjoy offline progress and a no pay-to-win model with optional ads for boosts.
