# Calculator vs 绵眠

The clearest difference is in-app purchases: 绵眠 at none against Calculator's 2. 绵眠 also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculator sells 2 one-off in-app purchases. 绵眠 asks for nothing beyond the download.

Calculator ships an update every 2 months, 绵眠 every 3 months. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Calculator | 绵眠 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/calculator-mingcalc/id1596875771/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 72.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 133 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州智慧小明科技有限公司](https://appshunter.io/developer/1631940625) | [Shanghai Qianfenzhiyi Information Technology Co., Ltd.](https://appshunter.io/developer/1701362512) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-mingcalc/id1596875771)

This utility app offers a streamlined and efficient calculator experience. It records your entire calculation history for easy retrieval and allows for personalized prompt tones and customizable themes. Ideal for iPad users seeking a simpler, faster calculation tool.

**Highlights:** Faster calculation speed, Complete calculation process recording, Customizable prompt tones, Built-in exquisite themes, Ideal for iPad

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One year VIP | $3.99 | one-time |
| Permanent VIP | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient and efficient
- 💡 Useful features
- 👍 Simple operation
- 👍 Colorful and visually appealing

**What reviewers complain about**

- 🐛 Issues with deleting the app
- 💰 Expensive paid version
- 🔒 Unclear about the paid subscription

**Reported bugs**

- Paid subscription not working as expected
- Compatibility issues with older devices

**Requested features**

- Add scientific calculation options
- Ability to save and export calculation history


### 绵眠

[App page](https://appshunter.io/ios/app/id6470334085)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is 绵眠 free?

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

### Do Calculator or 绵眠 have ads?

Neither Calculator nor 绵眠 shows ads.

### Which is updated more often, Calculator or 绵眠?

Calculator ships an update every 2 months, and 绵眠 every 3 months. Most recently, Calculator was updated on October 15, 2026 and 绵眠 on September 29, 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.*