# Unit Converter and Conversion vs Convert by Neutrium

The clearest difference is ads: Convert by Neutrium at none against Unit Converter and Conversion's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Unit Converter and Conversion sells 1 one-off in-app purchase and Convert by Neutrium sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Unit Converter and Conversion ships an update every 9 months, Convert by Neutrium every 13 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | Unit Converter and Conversion | Convert by Neutrium |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 months** | Every 13 months |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 16 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Native Dynamics](https://appshunter.io/developer/342674360) |

## 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 |


### Convert by Neutrium

[App page](https://appshunter.io/ios/app/convert-by-neutrium/id1497599190)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $1.99 | one-time |


## Frequently asked questions

### Is Unit Converter and Conversion free?

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

### Is Convert by Neutrium free?

Convert by Neutrium is free to download, with in-app purchases available.

### Do Unit Converter and Conversion or Convert by Neutrium have ads?

Unit Converter and Conversion shows ads; Convert by Neutrium does not.

### Which is updated more often, Unit Converter and Conversion or Convert by Neutrium?

Unit Converter and Conversion ships an update every 9 months, and Convert by Neutrium every 13 months. Most recently, Unit Converter and Conversion was updated on November 11, 2026 and Convert by Neutrium on November 11, 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.*