# CompEngine vs SPINNAX

The clearest difference is ratings volume: CompEngine at 25 against SPINNAX's 2. SPINNAX's advantage is monetization model (free vs ad-supported). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for CompEngine against 5.0 for SPINNAX. That said, the two scores are not equally well evidenced: CompEngine has 25 ratings behind it against 2, so its average is the more settled of the two.

CompEngine ships an update every 3 weeks, SPINNAX every 2 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CompEngine | SPINNAX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (25 ratings)](https://appshunter.io/ios/app/compengine/id1636980535/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/spinnax/id6443473553/reviews) |
| Number of ratings | **25** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 37 MB | 122 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [CompEngine, LLC](https://appshunter.io/developer/1636980537) | [Spinnax GmbH & Co. KG](https://appshunter.io/developer/1639498390) |

## What reviewers say

### CompEngine

[App page](https://appshunter.io/ios/app/compengine/id1636980535)

This app fosters a competitive environment for users to connect and improve their skills. It aims to be a place where achievements are recognized and new friendships can form, regardless of prior experience.

**Highlights:** Competitive platform, Skill improvement, Community building, Friendship creation, Success celebration

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

**In-app purchases:** none


### SPINNAX

[App page](https://appshunter.io/ios/app/spinnax/id6443473553)

Record and share your kickboxing or Muay Thai training sessions. Analyze your technique with video playback and connect with a community of martial artists.

**Highlights:** Record training sessions, Analyze technique with video playback, Connect with martial arts community, Share training clips

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CompEngine free?

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

### Is SPINNAX free?

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

### Which has better reviews, CompEngine or SPINNAX?

CompEngine and SPINNAX are both rated 5.0 out of 5 on the App Store, from 25 and 2 ratings respectively.

### Do CompEngine or SPINNAX have ads?

Neither CompEngine nor SPINNAX shows ads.

### Which is updated more often, CompEngine or SPINNAX?

CompEngine ships an update every 3 weeks, and SPINNAX every 2 weeks. Most recently, CompEngine was updated on October 12, 2026 and SPINNAX on October 3, 2026.

---

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