# Mobile Master vs CPU Detector

The clearest difference is update cadence: Mobile Master at every 6 days against CPU Detector's every 2 months. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Mobile Master sells 3 in-app purchases, starting at $0.49 per month and CPU Detector sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Mobile Master against 4.6 for CPU Detector. Both are backed by a comparable volume of ratings — 1.2K and 427 respectively. Written reviews are what separate them: 72% of Mobile Master's written reviews are positive against 76% of CPU Detector's.

Mobile Master ships an update every 6 days, CPU Detector every 2 months. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Mobile Master | CPU Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.2K ratings)](https://appshunter.io/ios/app/mobile-master-cpu-master/id1329937809/reviews) | **[4.6 (427 ratings)](https://appshunter.io/ios/app/cpu-detector-hardware-info/id1357917957/reviews)** |
| Number of ratings | **1.2K** | 427 |
| Positive reviews | 72.3% of reviews | **76.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 47 MB | 97 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [东海 刘](https://appshunter.io/developer/1329937808) | [楠 夏](https://appshunter.io/developer/832223369) |

## 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

**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 |


### CPU Detector

[App page](https://appshunter.io/ios/app/cpu-detector-hardware-info/id1357917957)

Access detailed hardware information on your iPhone or iPad without jailbreaking. Monitor CPU usage, memory, battery health, sensor data, and network details in real-time. Ideal for tech enthusiasts and developers seeking in-depth device insights.

**Highlights:** Real-time CPU usage and frequency, Memory usage monitoring, Battery health and voltage check, Device model and storage details, Operating system and screen information, Network information and speed

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanently Remove Ads | $0.99 | one-time |

**What reviewers like**

- 👍 Excellent application and services
- 👍 Accurate and easy to understand
- 👍 Nice and clean apps
- 👍 Good work developers
- 👍 Shows phone stats

**What reviewers complain about**

- 🐛 Takes too much time to load
- 🐛 Not working on iPad
- 🐛 App doesn't open
- 🐛 Ads bug usability
- 🐛 Incompatible with some iPads

**Reported bugs**

- Takes too much time to load
- Not working on iPad pro
- App not opening, stuck on start
- Not working on iPad mini 6, only stuck on splash screen
- iPad mini six無法使用

**Requested features**

- Change language
- More actionable information


## Frequently asked questions

### Is Mobile Master free?

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

### Is CPU Detector free?

CPU Detector is free to download, with in-app purchases available.

### Which has better reviews, Mobile Master or CPU Detector?

CPU Detector is rated higher. Mobile Master averages 4.5 out of 5 from 1.2K ratings, while CPU Detector averages 4.6 from 427 ratings.

### Do Mobile Master or CPU Detector have ads?

Both Mobile Master and CPU Detector show ads.

### Which is updated more often, Mobile Master or CPU Detector?

Mobile Master ships an update every 6 days, and CPU Detector every 2 months. Most recently, Mobile Master was updated on September 24, 2026 and CPU Detector on September 10, 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.*