# SYSMonitor vs Ax Performance Test

The clearest difference is rating: Ax Performance Test at 5.0 against SYSMonitor's 3.6. Ax Performance Test also leads on in-app purchases (none vs 1) and ads (none vs shown). SYSMonitor's advantage is ratings volume (38 vs 4). On price and device support there is nothing between them.

Both are free to download. SYSMonitor 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 3.6. That said, the two scores are not equally well evidenced: SYSMonitor has 38 ratings behind it against 4, so its average is the more settled of the two.

SYSMonitor ships an update every 5 months, Ax Performance Test every 3 weeks. The most recent releases landed on October 9, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | SYSMonitor | Ax Performance Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (38 ratings)](https://appshunter.io/ios/app/sysmonitor-system-status-wgt/id937687645/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ax-performance-test/id1534481764/reviews)** |
| Number of ratings | **38** | 4 |
| Positive reviews | 39.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 28 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [泽辉 王](https://appshunter.io/developer/892030257) | [Les Bird](https://appshunter.io/developer/398917210) |

## What reviewers say

### SYSMonitor

[App page](https://appshunter.io/ios/app/sysmonitor-system-status-wgt/id937687645)

Monitor your device's performance with real-time insights into CPU, memory, and storage usage. Track network speed, view detailed device information, and access key metrics directly from your Today widget. Understand your device's health and optimize its performance.

**Highlights:** CPU usage monitoring, Memory (RAM) status, Storage (ROM) visualization, Real-time network speed, Network details (IP, SSID, Ping), Basic device information

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanently Remove ads | $1.99 | 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 SYSMonitor free?

SYSMonitor 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, SYSMonitor or Ax Performance Test?

Ax Performance Test is rated higher. SYSMonitor averages 3.6 out of 5 from 38 ratings, while Ax Performance Test averages 5.0 from 4 ratings.

### Do SYSMonitor or Ax Performance Test have ads?

SYSMonitor shows ads; Ax Performance Test does not.

### Which is updated more often, SYSMonitor or Ax Performance Test?

SYSMonitor ships an update every 5 months, and Ax Performance Test every 3 weeks. Most recently, SYSMonitor was updated on October 9, 2026 and Ax Performance Test on September 25, 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.*