# Atkinson vs Luma

The clearest difference is in-app purchases: Luma at none against Atkinson's 2. Luma also leads on ads (none vs shown). Atkinson's advantage is iOS requirement (15.0 vs 18.6). On price 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. Luma asks for nothing beyond the download.

## The numbers

| Metric | Atkinson | Luma |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 2 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [koyachi](https://appshunter.io/developer/413497532) | [杰 陈](https://appshunter.io/developer/1869074761) |

## What reviewers say

### 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 |


### Luma

[App page](https://appshunter.io/ios/app/luma/id6759791872)

**In-app purchases:** none


## Frequently asked questions

### Is Atkinson free?

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

### Is Luma free?

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

### Do Atkinson or Luma have ads?

Atkinson shows ads; Luma does not.

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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.*