# Cosmox Engine vs Gens Ace

The clearest difference is rating: Gens Ace at 3.0 against Cosmox Engine's 1.0. Gens Ace also leads on ratings volume (5 vs 1). Cosmox Engine's advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gens Ace holds the better App Store score, 3.0 against 1.0. That said, the two scores are not equally well evidenced: Gens Ace has 5 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Cosmox Engine | Gens Ace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/cosmox-engine/id6449379422/reviews) | **[3.0 (5 ratings)](https://appshunter.io/ios/app/gens-ace/id6683295995/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 32 MB | 23 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cosmox Technology(Shenzhen) Co.,Ltd.](https://appshunter.io/developer/1688827145) | [Shenzhen Grepow Battery Co.Ltd.](https://appshunter.io/developer/1714028930) |

## What reviewers say

### Cosmox Engine

[App page](https://appshunter.io/ios/app/cosmox-engine/id6449379422)

Customize your gaming controller with advanced features like rapid fire, button mapping, and macro programming. Adjust joystick sensitivity, vibration, and trigger travel for a more immersive gaming experience. The app offers a user-friendly interface and multi-language support.

**Highlights:** Rapid Fire/Mapping/Macro Functions, Vibration/Joystick/Trigger Adjustment, Personalized Gaming Needs, Enhanced Immersion, User-Friendly Interface, Multi-Language Support

**Features:** macOS Compatibility

**In-app purchases:** none


### Gens Ace

[App page](https://appshunter.io/ios/app/gens-ace/id6683295995)

Monitor your RC charger and battery status in real-time via Bluetooth. Track charging and discharging progress directly from your iPhone or iPad. Designed for hobbyists and professional racers seeking a safer and smarter power experience.

**Highlights:** Real-time status monitoring, Bluetooth connectivity, Charge and discharge tracking, iPhone and iPad support, Smart power solutions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cosmox Engine free?

Cosmox Engine is free to download, with no in-app purchases.

### Is Gens Ace free?

Gens Ace is free to download, with no in-app purchases.

### Which has better reviews, Cosmox Engine or Gens Ace?

Gens Ace is rated higher. Cosmox Engine averages 1.0 out of 5 from 1 ratings, while Gens Ace averages 3.0 from 5 ratings.

### Do Cosmox Engine or Gens Ace have ads?

Neither Cosmox Engine nor Gens Ace shows ads.

### Which is updated more often, Cosmox Engine or Gens Ace?

Cosmox Engine ships an update every 3 weeks, and Gens Ace every 3 weeks. Most recently, Cosmox Engine was updated on September 15, 2026 and Gens Ace on September 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*