# Cerulean - 小工具合集 — user reviews

> 53 indexed App Store user reviews of Cerulean by 丹 张, rated 4.76/5 from 390 ratings.

- Source: https://appshunter.io/ios/app/cerulean/id1381352370/reviews
- App overview in markdown: https://appshunter.io/ios/app/cerulean/id1381352370.md
- Rating breakdown: 5★ 324 · 4★ 26 · 3★ 8 · 2★ 2 · 1★ 11

## What do users think of Cerulean?

Overall sentiment: positive

**Pros**

- 👍 Very interesting and useful
- 👍 Great and free to use
- 👍 No ads, clean interface
- 👍 Very comprehensive toolset
- 👍 Good and simple
- 👍 Very practical and liked
- 👍 Powerful and versatile
- 👍 Clean and functional
- 👍 Excellent free toolkits
- 👍 Very useful, like shortcuts
- 👍 Great value, no in-app purchases
- 👍 Lots of features, very powerful
- 👍 User-friendly interface, comfortable color scheme
- 👍 Good and useful
- 👍 Excellent app, good job by the developer
- 👍 Very good and free
- 👍 Useful and free
- 👍 "Swiss Army knife" app, very practical
- 👍 Very good tool
- 👍 Clean and enjoyable to use

**Cons**

- ❓ 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
- 🐛 Calculator button missing on iPad Pro
- 🐛 Ruler is inaccurate on 12 mini
- 🐛 Widget background is white, hard to see text
- 🐛 Text to speech and keyboard issues on iPhone X
- 🐛 Image stitching (chat history) missing on iPhone 12
- 🐛 Widget support removed for iOS 13
- 🐛 Low volume for metronome and call simulation
- 🐛 Ads are low quality

**Commonly 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
- Widget background is white, hard to see text
- Text to speech and keyboard issues on iPhone X
- Image stitching (chat history) missing on iPhone 12
- Widget support removed for iOS 13

**Most requested features**

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

## Newest reviews (13 of 53)

### 5/5 — 直尺功能ios17有问题

*2023-10-14, version 6.7.2*

直尺功能ios17有问题

### 5/5 — 非常好的App，感谢作者提供，但是有个小bug

*2023-09-09*

一切涉及音量的功能，比如节拍器和来电模拟，音量都特别小，几乎听不见。希望下个版本可以改进

### 5/5 — 好用

*2023-08-16, version 6.7.2*

功能巨多

### 5/5 — 方便免費，希望能有更多小功能

*2023-07-14, version 6.7.2*

真棒

### 5/5 — 非常好

*2023-07-07, version 6.7.2*

界面很简洁 功能很多 配色舒服😌

### 5/5 — 感谢软件的所有工作者

*2023-03-28, version 6.5.3*

一群可爱的人做着可爱的事，爱你们哟^。^

### 5/5 — 🥇🥇🥇🥇🥇🥇

*2023-02-17, version 6.3.4*

🏆🏆🏆🏆🏆🏆

### 5/5 — 挺好用的

*2023-02-07, version 6.3.4*

下载了一直在用，工具非常齐全

### 5/5 — 大道至简

*2022-12-05, version 6.3.4*

一切都是那么美好

### 5/5 — 好评好用

*2022-11-11, version 6.3.3*

奈斯

### 5/5 — 发满分不怕你骄傲

*2022-11-08, version 6.3.3*

牛逼的工具箱。收点钱或者发点广告吧，还指望多加点功能呢

### 5/5 — 推荐

*2022-11-06, version 6.3.3*

很有意思的工具箱

### 5/5 — 亲戚计算机

*2022-07-04, version 6.2.1*

iPad Pro没有计算按钮

## Most critical reviews (10 lowest-rated)

### 1/5 — All in Chinese

*2024-01-17, version 6.7.4*

This app is NOT IN ENGLISH!!! What the heck???

### 1/5 — Help ME

*2023-12-30, version 6.7.4*

The app I’m on is Chinese lettering I can’t find ENGLISH LETTERING!

### 1/5 — 垃圾

*2022-09-02, version 6.3.2*

垃圾，搜索什么都没有

### 1/5 — 12mini上的直尺不准

*2021-07-15, version 5.7.2*

去广告买早了 应该先看看直尺的

### 3/5 — 评价

*2024-07-31, version 6.7.4*

都还好，就是这个上限是什么意思，不是免费的吗

### 3/5 — clean afffff

*2023-08-07, version 6.7.2*

deep cleannn

### 3/5 — 小组件背景也是白色 看不清字 麻烦改进下

*2019-09-29, version 3.9.5*

小组件背景也是白色 看不清字 麻烦改进下

### 3/5 — APP不错

*2018-11-29, version 2.4.3*

广告好Low

### 4/5 — 计时器

*2021-03-08, version 5.1.2*

计时器修复了！但还是好鸡肋…

### 4/5 — 非常好的App

*2020-12-31, version 5.0.0*

值得推荐！
不过我发现一个很奇怪的问题，希望可以解决。
图片拼接里的聊天记录拼接，在iPhone 12里没有。在之前的旧手机上是有的……
重装了12的Cerulean 还是没有此功能。

## Most praised reviews (10 highest-rated)

### 5/5 — 朴实无华

*2026-02-05, version 6.9.2*

非常有意思！

### 5/5 — 不錯用

*2025-10-20, version 6.9.1*

讚👍🏼

### 5/5 — 方便免費，希望能有更多小功能

*2025-10-19, version 6.9.1*

真棒

### 5/5 — 好用！

*2025-08-26, version 6.9.0*

太厉害了，什么都有，而且很干净

### 5/5 — good

*2025-02-17, version 6.9.0*

very useful, like shortcuts.

### 5/5 — the best free toolkits

*2025-01-18, version 6.8.2*

everthing you need

### 5/5 — Great

*2024-12-16, version 6.8.2*

very good and free to use. No ads.

### 5/5 — 实用，免费

*2024-11-17, version 6.8.1*

无广告🤙

### 5/5 — 良心、好用

*2024-05-17, version 6.7.4*

没有任何内购和广告，功能也非常全，是我用过最好用的此类工具

### 5/5 — 非常好用的APP

*2024-04-08, version 4.7.1*

本来是下着用单位换算的，实质上里面内容超级丰富很有帮助，今天还意外发现有笑话大全，虽然笑话挺冷的，但开发者肯定是一个很温暖的人

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*