# AB Converter vs 鑫谷HiMOS

The clearest difference is ads: 鑫谷HiMOS at none against AB Converter's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

AB Converter ships an update monthly, 鑫谷HiMOS every 3 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | AB Converter | 鑫谷HiMOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/ab-converter/id550382273/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 66 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RockCat Studio Limited](https://appshunter.io/developer/368947195) | [Huizhou Segotep Electronic Technology Co., Ltd.](https://appshunter.io/developer/1169496716) |

## What reviewers say

### AB Converter

[App page](https://appshunter.io/ios/app/ab-converter/id550382273)

This utility app offers comprehensive unit conversions across 12 categories and 93 units. It features express conversion, an intuitive interface, and multi-unit conversion capabilities. Supports English, Traditional Chinese, and Simplified Chinese.

**Highlights:** Converts 93 units, 12 conversion categories, Express conversion, Easy-to-use interface, Multi-unit conversion, Supports 3 languages

**In-app purchases:** none


### 鑫谷HiMOS

[App page](https://appshunter.io/ios/app/himos/id6757789417)

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

**In-app purchases:** none


## Frequently asked questions

### Is AB Converter free?

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

### Is 鑫谷HiMOS free?

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

### Do AB Converter or 鑫谷HiMOS have ads?

AB Converter shows ads; 鑫谷HiMOS does not.

### Which is updated more often, AB Converter or 鑫谷HiMOS?

AB Converter ships an update monthly, and 鑫谷HiMOS every 3 weeks. Most recently, AB Converter was updated on October 7, 2026 and 鑫谷HiMOS on October 12, 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.*