# Color Master vs marume

The clearest difference is review sentiment: Color Master at 100% against marume's 0%. Color Master also leads on iOS requirement (15.0 vs 18.0). marume's advantage is update cadence (every 3 days vs every 13 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Color Master ships an update every 13 months, marume every 3 days. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Color Master | marume |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 1 MB | 0 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rikuto Sato](https://appshunter.io/developer/1492548460) | [Shuya Komiya](https://appshunter.io/developer/1504097686) |

## What reviewers say

### Color Master

[App page](https://appshunter.io/ios/app/color-master/id1604042293)

Discover beautiful color palettes to spark your creativity. This app is ideal for designers and illustrators seeking inspiration through a wide variety of colors.

**Highlights:** Color palette discovery, Inspiration for designers, Inspiration for illustrators, Wide variety of colors

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

**In-app purchases:** none


### marume

[App page](https://appshunter.io/ios/app/marume/id6792229350)

Easily round the corners of your photos with intuitive slider controls. Adjust corner radius, aspect ratio, and even select individual corners to round. Save high-quality images directly to your camera roll.

**Highlights:** Adjustable corner radius, Aspect ratio cropping, Individual corner selection, Dark mode support, High-quality saving, Intuitive slider controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Color Master free?

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

### Is marume free?

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

### Do Color Master or marume have ads?

Neither Color Master nor marume shows ads.

### Which is updated more often, Color Master or marume?

Color Master ships an update every 13 months, and marume every 3 days. Most recently, Color Master was updated on September 9, 2026 and marume on September 10, 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.*