# 火星文转换器 vs CheckMate

The clearest difference is in-app purchases: CheckMate at none against 火星文转换器's 1. CheckMate also leads on ads (none vs shown) and iOS requirement (13 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 火星文转换器 sells 1 one-off in-app purchase. CheckMate asks for nothing beyond the download.

火星文转换器 ships an update every 4 weeks, CheckMate every 3 weeks. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 火星文转换器 | CheckMate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/id1340067807/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 116 MB |
| Requires iOS | 17.0 | **13** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [振山 董](https://appshunter.io/developer/1226504908) | [Chengdu Kamang Network Technology Co., LTD](https://appshunter.io/developer/1823225877) |

## What reviewers say

### 火星文转换器

[App page](https://appshunter.io/ios/app/id1340067807)

This tool converts standard Chinese characters into a unique, stylized script. It offers numerous character variations and allows for custom editing with special symbols. Easily copy and share your creations across various social platforms.

**Highlights:** Chinese to Mars text conversion, Nearly 100 non-mainstream characters, Multiple translation results, One-click copy, Custom editing with special characters, Social sharing integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 升级至无广告纯净版 | $0.99 | one-time |


### CheckMate

[App page](https://appshunter.io/ios/app/checkmate/id6747891089)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 火星文转换器 free?

火星文转换器 is free to download, with in-app purchases available.

### Is CheckMate free?

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

### Do 火星文转换器 or CheckMate have ads?

火星文转换器 shows ads; CheckMate does not.

### Which is updated more often, 火星文转换器 or CheckMate?

火星文转换器 ships an update every 4 weeks, and CheckMate every 3 weeks. Most recently, 火星文转换器 was updated on October 24, 2026 and CheckMate on October 4, 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.*