# 妙盒子 vs Atkinson

The clearest difference is in-app purchases: 妙盒子 at none against Atkinson's 2. 妙盒子 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Atkinson sells 2 in-app purchases, starting at $0.99 per month. 妙盒子 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 妙盒子 | Atkinson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (6 ratings)](https://appshunter.io/ios/app/atkinson/id1569487124/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 19 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qingdao Miaohezi Information Technology Co., Ltd.](https://appshunter.io/developer/1367837390) | [koyachi](https://appshunter.io/developer/413497532) |

## What reviewers say

### 妙盒子

[App page](https://appshunter.io/ios/app/id1367837391)

**Features:** macOS Compatibility

**In-app purchases:** none


### Atkinson

[App page](https://appshunter.io/ios/app/atkinson/id1569487124)

This app processes photos using the Atkinson dithering algorithm, originally used for black and white displays on old Macintosh computers. It creates small file-sized images with options for square cropping, rounded corners, and white borders, offering a real-time preview of the effect.

**Highlights:** Atkinson dithering algorithm processing, Square photo output, Toggleable rounded corners, White border option, Real-time preview

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Month | $0.99 | per month |
| Standard Year | $9.99 | per year |


## Frequently asked questions

### Is 妙盒子 free?

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

### Is Atkinson free?

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

### Do 妙盒子 or Atkinson have ads?

Both 妙盒子 and Atkinson show ads.

### Which is updated more often, 妙盒子 or Atkinson?

妙盒子 ships an update every 3 weeks, and Atkinson every 3 weeks. Most recently, 妙盒子 was updated on October 26, 2026 and Atkinson on October 24, 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.*