My Device Info! vs Ax Performance Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
My Device Info!
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.
- Device specifications
- Battery health monitoring
- Display details
- Storage usage analysis
- Sensor and connectivity info
- Lock screen widgets
- Home screen widgets
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My Device Info shows the specs and status of your iPhone or iPad in one place. See device name and model, iOS version, screen size, brightness, storage used and free, battery level, charging status, Low Power Mode, cameras, biometrics, and more. Tap a row for a short tip. Home Screen and Lock Screen widgets keep battery, free space, and other basics handy without opening the app. On Apple Watch, check name, model, watchOS, battery, and more at a glance. Free forever for the core info. Upgrade to Pro (one-time, no subscription) to remove ads and unlock extras like network details, Wi-Fi name, About This Model, history, and clean export (text, PDF, and image card). Simple. Useful. No fluff.
Ax Performance Test
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.
- CPU performance measurement
- GPU performance measurement
- Rigid body physics simulation
- Visible polygons per second display
- Total performance score calculation
- GPU chip leaderboards
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Simple non-deterministic cube performance test. Measures CPU and GPU performance. Drops cubes until the frame rate averages less than 60. Cubes stack and tumble following rigid body physics properties. CPU performance is measured via physics performance and GPU is measured via the number of cubes your device can render. Displays visible polygons per second. A total score is calculated based on the number of cubes times the polygons per second. Leaderboards for each individual GPU chip.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | My Device Info! | Ax Performance Test |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (359 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 69.2% of reviews | — |
| Number of ratings | 359 — better | 4 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Kappz LLC | Les Bird |
Customer experience
My Device Info!
Ax Performance Test
In-app purchases
My Device Info!
- My Device Info! NO ADS$0.99
Ax Performance Test
No in-app purchases
Questions
Is My Device Info! free?
Is Ax Performance Test free?
Which has better reviews, My Device Info! or Ax Performance Test?
Do My Device Info! or Ax Performance Test have ads?
Which is updated more often, My Device Info! or Ax Performance Test?
Other comparisons
