# Unit Converter and Conversion vs UNAERA

The clearest difference is in-app purchases: UNAERA at none against Unit Converter and Conversion's 1. UNAERA also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Unit Converter and Conversion sells 1 one-off in-app purchase. UNAERA asks for nothing beyond the download.

Unit Converter and Conversion ships an update every 9 months, UNAERA every 11 months. The most recent releases landed on November 10, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Unit Converter and Conversion | UNAERA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (49 ratings)](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 months** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 45 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Danil Zadrepko](https://appshunter.io/developer/1812369145) |

## What reviewers say

### Unit Converter and Conversion

[App page](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532)

This app offers a user-friendly interface for converting units across more than 40 categories. It supports a wide range of conversions, from basic measurements like length and weight to more specialized units for cooking, data storage, and energy. The app works offline and saves conversion history for future reference.

**Highlights:** Over 40 conversion categories, Offline functionality, Conversion history saving, User-friendly interface, Wide range of unit types, Supports multiple devices

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unit Converter Pro | $4.99 | one-time |


### UNAERA

[App page](https://appshunter.io/ios/app/unaera/id6753065616)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter and Conversion free?

Unit Converter and Conversion is free to download, with in-app purchases available.

### Is UNAERA free?

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

### Do Unit Converter and Conversion or UNAERA have ads?

Unit Converter and Conversion shows ads; UNAERA does not.

### Which is updated more often, Unit Converter and Conversion or UNAERA?

Unit Converter and Conversion ships an update every 9 months, and UNAERA every 11 months. Most recently, Unit Converter and Conversion was updated on November 10, 2026 and UNAERA on October 30, 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.*