# Mobile Master vs FPS Logger

The clearest difference is in-app purchases: FPS Logger at none against Mobile Master's 3. FPS Logger also leads on device support (4 vs 2). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Mobile Master sells 3 in-app purchases, starting at $0.49 per month. FPS Logger asks for nothing beyond the download.

Mobile Master ships an update every 6 days, FPS Logger every 3 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Mobile Master | FPS Logger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.2K ratings)](https://appshunter.io/ios/app/mobile-master-cpu-master/id1329937809/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 72.3% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 days | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 22 MB | 21 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [东海 刘](https://appshunter.io/developer/1329937808) | [Stewie Jones](https://appshunter.io/developer/1853309139) |

## What reviewers say

### Mobile Master

[App page](https://appshunter.io/ios/app/mobile-master-cpu-master/id1329937809)

This free utility app provides detailed information about your device's hardware and software. It measures real CPU frequency, frequency reduction, and offers insights into your screen, battery, network, GPU, RAM, and sensors.

**Highlights:** Measure real CPU frequency, Monitor frequency reduction, View CPU, GPU, and RAM details, Check network speed and IP, Display battery design capacity, Access sensor data

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.49 | per month |
| Pro Annual | $2.99 | per year |
| Remove ads | $1.99 | one-time |


### FPS Logger

[App page](https://appshunter.io/ios/app/fps-logger/id6763967836)

This app helps iPhone and iPad users quickly identify which applications support Metal Performance HUD. Search or filter by compatibility status to find compatible apps. It functions offline and refreshes data when connected.

**Highlights:** Metal Performance HUD compatibility check, Search by app name, Filter by support status, Offline functionality, Pull-to-refresh for updates

**Features:** Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Master free?

Mobile Master is free to download, with in-app purchases available.

### Is FPS Logger free?

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

### Do Mobile Master or FPS Logger have ads?

Both Mobile Master and FPS Logger show ads.

### Which is updated more often, Mobile Master or FPS Logger?

Mobile Master ships an update every 6 days, and FPS Logger every 3 days. Most recently, Mobile Master was updated on October 8, 2026 and FPS Logger on October 6, 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.*