# Basemark OS II Free vs Mobile Master

The clearest difference is review sentiment: Mobile Master at 72% against Basemark OS II Free's 0%. Mobile Master also leads on rating (4.5 vs 1.3) and ratings volume (1.2K vs 3). Basemark OS II Free's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price and device support there is nothing between them.

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

Mobile Master holds the better App Store score, 4.5 against 1.3. That said, the two scores are not equally well evidenced: Mobile Master has 1.2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Basemark OS II Free's written reviews are positive against 72% of Mobile Master's.

Basemark OS II Free ships an update monthly, Mobile Master every 6 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Basemark OS II Free | Mobile Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/basemark-os-ii-free/id1037985172/reviews) | **[4.5 (1.2K ratings)](https://appshunter.io/ios/app/mobile-master-cpu-master/id1329937809/reviews)** |
| Number of ratings | 3 | **1.2K** |
| Positive reviews | 0.0% of reviews | **72.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 22 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Basemark](https://appshunter.io/developer/1022814305) | [东海 刘](https://appshunter.io/developer/1329937808) |

## What reviewers say

### Basemark OS II Free

[App page](https://appshunter.io/ios/app/basemark-os-ii-free/id1037985172)

This application provides a comprehensive benchmark for smartphones and tablets, evaluating system, memory, graphics, and web browsing performance. It generates an objective overall score and breakdowns for easy comparison across devices.

**Highlights:** Cross-platform benchmarking, All-in-one performance evaluation, System performance tests, Memory performance tests, Graphics performance tests, Web browsing performance tests, Objective scoring

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Basemark OS II Free free?

Basemark OS II Free is free to download, with no in-app purchases.

### Is Mobile Master free?

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

### Which has better reviews, Basemark OS II Free or Mobile Master?

Mobile Master is rated higher. Basemark OS II Free averages 1.3 out of 5 from 3 ratings, while Mobile Master averages 4.5 from 1.2K ratings.

### Do Basemark OS II Free or Mobile Master have ads?

Mobile Master shows ads; Basemark OS II Free does not.

### Which is updated more often, Basemark OS II Free or Mobile Master?

Basemark OS II Free ships an update monthly, and Mobile Master every 6 days. Most recently, Basemark OS II Free was updated on October 24, 2026 and Mobile Master on October 22, 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.*