# CPU Dasher Mobile Master Tools vs Cerulean

The clearest difference is in-app purchases: Cerulean at none against CPU Dasher Mobile Master Tools's 1. Cerulean also leads on ads (none vs shown). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. CPU Dasher Mobile Master Tools sells 1 one-off in-app purchase. Cerulean asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for CPU Dasher Mobile Master Tools against 4.8 for Cerulean. Both are backed by a comparable volume of ratings — 990 and 392 respectively. Written reviews split almost evenly too, at 85% and 85% positive.

CPU Dasher Mobile Master Tools ships an update every 5 weeks, Cerulean every 2 months. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CPU Dasher Mobile Master Tools | Cerulean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (990 ratings)](https://appshunter.io/ios/app/cpu-dasher-mobile-master-tools/id1338092370/reviews) | **[4.8 (392 ratings)](https://appshunter.io/ios/app/cerulean/id1381352370/reviews)** |
| Number of ratings | **990** | 392 |
| Positive reviews | 84.9% of reviews | **85.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 48 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [培培 邢](https://appshunter.io/developer/1045338528) | [丹 张](https://appshunter.io/developer/1381352369) |

## What reviewers say

### CPU Dasher Mobile Master Tools

[App page](https://appshunter.io/ios/app/cpu-dasher-mobile-master-tools/id1338092370)

Access detailed device information including CPU, memory, battery, and network status. Customize desktop widgets with various skins and utilize a suite of common tools for system analysis and health monitoring.

**Highlights:** Detailed equipment information, Real-time CPU and memory monitoring, Battery status and network details, Customizable desktop widgets, Widget skin customization, Common utility tools (heart rate, network, noise test), HealthKit step and distance tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Features Pack | $3.99 | one-time |

**What reviewers like**

- 👍 Useful information
- 🚀 Efficient performance
- 💡 Comprehensive features
- 🤌 Great app design

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔋 Battery drain issues
- 📺 Excessive ads
- 🔒 Privacy concerns

**Reported bugs**

- Widgets not updating properly
- Widgets broken in latest iOS update
- Incorrect LAN device detection

**Requested features**

- Add 12-hour time format
- Display CPU temperature
- Provide network details widget
- Support more languages


### Cerulean

[App page](https://appshunter.io/ios/app/cerulean/id1381352370)

A collection of minimalist utility tools designed for simplicity and ease of use. Provides various small functions to help with everyday tasks. Feedback is welcomed for improvements and new ideas.

**Highlights:** Multiple utility tools, Minimalist design, Simple to use, User feedback welcome

**Features:** Siri integration

**In-app purchases:** none

**What reviewers like**

- 👍 Very interesting and useful
- 👍 Great and free to use
- 👍 No ads, clean interface
- 👍 Very comprehensive toolset
- 👍 Good and simple

**What reviewers complain about**

- ❓ Limitation unclear, is it free?
- ❓ App is entirely in Chinese, no English option
- ❓ Ruler function has issues on iOS 17
- ❓ Volume is too low for sound-related features
- ❓ Search functionality is poor

**Reported bugs**

- Ruler function has issues on iOS 17
- Volume is too low for sound-related features (metronome, call simulation)
- Search functionality is poor
- Calculator button missing on iPad Pro
- Ruler is inaccurate on 12 mini

**Requested features**

- Add more small features
- Add currency conversion function
- Add data and Chinese uppercase number conversion
- Consider adding various unit conversion functions


## Frequently asked questions

### Is CPU Dasher Mobile Master Tools free?

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

### Is Cerulean free?

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

### Which has better reviews, CPU Dasher Mobile Master Tools or Cerulean?

Cerulean is rated higher. CPU Dasher Mobile Master Tools averages 4.7 out of 5 from 990 ratings, while Cerulean averages 4.8 from 392 ratings.

### Do CPU Dasher Mobile Master Tools or Cerulean have ads?

CPU Dasher Mobile Master Tools shows ads; Cerulean does not.

### Which is updated more often, CPU Dasher Mobile Master Tools or Cerulean?

CPU Dasher Mobile Master Tools ships an update every 5 weeks, and Cerulean every 2 months. Most recently, CPU Dasher Mobile Master Tools was updated on October 17, 2026 and Cerulean on October 14, 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.*