# AB Converter vs FlyCarpet Unit Converter

The clearest difference is ads: FlyCarpet Unit Converter at none against AB Converter's shown. AB Converter's advantage is update cadence (monthly vs every 2 months) and iOS requirement (13.0 vs 15.5). On price, 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, FlyCarpet Unit Converter every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AB Converter | FlyCarpet Unit Converter |
| --- | --- | --- |
| 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 2 months |
| Monetization | Ad-supported | — |
| Size | 8 MB | 3 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RockCat Studio Limited](https://appshunter.io/developer/368947195) | [FlyCarpet Inc](https://appshunter.io/developer/1056467792) |

## 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


### FlyCarpet Unit Converter

[App page](https://appshunter.io/ios/app/flycarpet-unit-converter/id1662037335)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AB Converter free?

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

### Is FlyCarpet Unit Converter free?

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

### Do AB Converter or FlyCarpet Unit Converter have ads?

AB Converter shows ads; FlyCarpet Unit Converter does not.

### Which is updated more often, AB Converter or FlyCarpet Unit Converter?

AB Converter ships an update monthly, and FlyCarpet Unit Converter every 2 months. Most recently, AB Converter was updated on November 1, 2026 and FlyCarpet Unit Converter on November 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.*