# Ax Performance Test vs GravityMark GPU Benchmark

The clearest difference is rating: Ax Performance Test at 5.0 against GravityMark GPU Benchmark's 4.2. Ax Performance Test also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (11.0 vs 16.0). On price, ratings volume, 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.

Ax Performance Test holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

Ax Performance Test ships an update every 3 weeks, GravityMark GPU Benchmark every 4 months. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Ax Performance Test | GravityMark GPU Benchmark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ax-performance-test/id1534481764/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/gravitymark-gpu-benchmark/id1595186532/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | — | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 28 MB | 91 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Les Bird](https://appshunter.io/developer/398917210) | [Tellusim Technologies Inc.](https://appshunter.io/developer/1595186534) |

## What reviewers say

### 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


### GravityMark GPU Benchmark

[App page](https://appshunter.io/ios/app/gravitymark-gpu-benchmark/id1595186532)

This app showcases modern GPU power by rendering vast real-time scenes. It offloads all scene management and rendering to the GPU, bypassing CPU bottlenecks. Recommended for devices with Apple A14+ and M1+ SoCs.

**Highlights:** Real-time GPU rendering, Massive object quantity, GPU-accelerated scene management, Bypasses CPU bottlenecks, Utilizes astronomical data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ax Performance Test free?

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

### Is GravityMark GPU Benchmark free?

GravityMark GPU Benchmark is free to download, with no in-app purchases.

### Which has better reviews, Ax Performance Test or GravityMark GPU Benchmark?

Ax Performance Test is rated higher. Ax Performance Test averages 5.0 out of 5 from 4 ratings, while GravityMark GPU Benchmark averages 4.2 from 6 ratings.

### Do Ax Performance Test or GravityMark GPU Benchmark have ads?

Neither Ax Performance Test nor GravityMark GPU Benchmark shows ads.

### Which is updated more often, Ax Performance Test or GravityMark GPU Benchmark?

Ax Performance Test ships an update every 3 weeks, and GravityMark GPU Benchmark every 4 months. Most recently, Ax Performance Test was updated on September 25, 2026 and GravityMark GPU Benchmark on September 30, 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.*