# MakeColor vs 妙算21

The clearest difference is ads: MakeColor at none against 妙算21's shown. 妙算21's advantage is update cadence (weekly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

MakeColor ships an update every 4 months, 妙算21 weekly. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | MakeColor | 妙算21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/21/id6743411073/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 6 MB | 69 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) | [抗抗 韩](https://appshunter.io/developer/1681688691) |

## What reviewers say

### MakeColor

[App page](https://appshunter.io/ios/app/makecolor/id1580467591)

**Features:** macOS Compatibility

**In-app purchases:** none


### 妙算21

[App page](https://appshunter.io/ios/app/21/id6743411073)

A simple and fun number addition elimination game. Enjoy endless entertainment with this addictive puzzle experience.

**Highlights:** Number addition, Elimination mechanics, Simple gameplay, Addictive puzzle, Casual entertainment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MakeColor free?

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

### Is 妙算21 free?

妙算21 is free to download, with no in-app purchases.

### Do MakeColor or 妙算21 have ads?

妙算21 shows ads; MakeColor does not.

### Which is updated more often, MakeColor or 妙算21?

MakeColor ships an update every 4 months, and 妙算21 weekly. Most recently, MakeColor was updated on October 13, 2026 and 妙算21 on October 3, 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.*