# My Device Info! vs Ax Performance Test

The clearest difference is rating: Ax Performance Test at 5.0 against My Device Info!'s 4.5. Ax Performance Test also leads on in-app purchases (none vs 1) and ads (none vs shown). My Device Info!'s advantage is ratings volume (359 vs 4). On price and device support there is nothing between them.

Both are free to download. My Device Info! sells 1 one-off in-app purchase. Ax Performance Test asks for nothing beyond the download.

Ax Performance Test holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: My Device Info! has 359 ratings behind it against 4, so its average is the more settled of the two.

My Device Info! ships an update every 3 months, Ax Performance Test every 3 weeks. Both last shipped on October 11, 2026.

## The numbers

| Metric | My Device Info! | Ax Performance Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (359 ratings)](https://appshunter.io/ios/app/my-device-info/id1126092384/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ax-performance-test/id1534481764/reviews)** |
| Number of ratings | **359** | 4 |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 28 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kappz LLC](https://appshunter.io/developer/660496091) | [Les Bird](https://appshunter.io/developer/398917210) |

## What reviewers say

### My Device Info!

[App page](https://appshunter.io/ios/app/my-device-info/id1126092384)

Get detailed information about your iOS device, including specs, battery health, display, and storage. Access key data through convenient lock screen and home screen widgets. Manage your device better and discover its hidden features.

**Highlights:** Device specifications, Battery health monitoring, Display details, Storage usage analysis, Sensor and connectivity info, Lock screen widgets, Home screen widgets

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Device Info! NO ADS | $0.99 | one-time |


### Ax Performance Test

[App page](https://appshunter.io/ios/app/ax-performance-test/id1534481764)

This app measures your device's CPU and GPU performance by dropping cubes until a target frame rate is reached. It calculates a total score based on cube count and polygons rendered per second, displaying detailed performance metrics.

**Highlights:** CPU performance measurement, GPU performance measurement, Rigid body physics simulation, Visible polygons per second display, Total performance score calculation, GPU chip leaderboards

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is My Device Info! free?

My Device Info! is free to download, with in-app purchases available.

### Is Ax Performance Test free?

Ax Performance Test is free to download, with no in-app purchases.

### Which has better reviews, My Device Info! or Ax Performance Test?

Ax Performance Test is rated higher. My Device Info! averages 4.5 out of 5 from 359 ratings, while Ax Performance Test averages 5.0 from 4 ratings.

### Do My Device Info! or Ax Performance Test have ads?

My Device Info! shows ads; Ax Performance Test does not.

### Which is updated more often, My Device Info! or Ax Performance Test?

My Device Info! ships an update every 3 months, and Ax Performance Test every 3 weeks. Most recently, My Device Info! was updated on October 11, 2026 and Ax Performance Test on October 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.*