# AB Converter vs Unit Converter And Tools

The clearest difference is rating: AB Converter at 2.5 against Unit Converter And Tools's 1.0. AB Converter also leads on in-app purchases (none vs 3) and update cadence (monthly vs every 10 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Unit Converter And Tools sells 3 in-app purchases, starting at $4.49 per month. AB Converter asks for nothing beyond the download.

AB Converter holds the better App Store score, 2.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

AB Converter ships an update monthly, Unit Converter And Tools every 10 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AB Converter | Unit Converter And Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/ab-converter/id550382273/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/unit-converter-and-tools/id1637233434/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 8 MB | 23 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RockCat Studio Limited](https://appshunter.io/developer/368947195) | [Yalintech](https://appshunter.io/developer/1530568426) |

## 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


### Unit Converter And Tools

[App page](https://appshunter.io/ios/app/unit-converter-and-tools/id1637233434)

This app offers a comprehensive suite of tools, including unit conversion, device information access, a digital compass, and a metal detector. It supports multiple languages and allows for offline conversions, aiming to simplify daily tasks and provide useful device utilities.

**Highlights:** Unit conversion for all types, Offline conversion capability, Device information access, Digital compass with level, Metal detector with vibration alarm, Multiple language support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.49 | per month |
| Yearly Subscription | $7.49 | per year |
| One time purchase | $10.99 | one-time |


## Frequently asked questions

### Is AB Converter free?

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

### Is Unit Converter And Tools free?

Unit Converter And Tools is free to download, with in-app purchases available.

### Which has better reviews, AB Converter or Unit Converter And Tools?

AB Converter is rated higher. AB Converter averages 2.5 out of 5 from 2 ratings, while Unit Converter And Tools averages 1.0 from 2 ratings.

### Do AB Converter or Unit Converter And Tools have ads?

Both AB Converter and Unit Converter And Tools show ads.

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

AB Converter ships an update monthly, and Unit Converter And Tools every 10 months. Most recently, AB Converter was updated on November 1, 2026 and Unit Converter And Tools 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.*