# Unit Converter and Conversion vs IntelliPERMIT Mobile Modern

The clearest difference is in-app purchases: IntelliPERMIT Mobile Modern at none against Unit Converter and Conversion's 1. IntelliPERMIT Mobile Modern 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. IntelliPERMIT Mobile Modern asks for nothing beyond the download.

Unit Converter and Conversion ships an update every 10 months, IntelliPERMIT Mobile Modern every 6 months. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Unit Converter and Conversion | IntelliPERMIT Mobile Modern |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (48 ratings)](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 6 months** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 672 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [ADAPT IT (PTY) LTD](https://appshunter.io/developer/1117296189) |

## 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, including length, weight, volume, and digital storage. It works offline and saves conversion history for future reference. Ideal for students and professionals needing quick and accurate conversions.

**Highlights:** Over 40 conversion categories, Offline functionality, Conversion history saving, User-friendly interface, Supports length, weight, volume, and more, Elegant graphics

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

**In-app purchases (1)**

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


### IntelliPERMIT Mobile Modern

[App page](https://appshunter.io/ios/app/intellipermit-mobile-modern/id1466059847)

**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 IntelliPERMIT Mobile Modern free?

IntelliPERMIT Mobile Modern is free to download, with no in-app purchases.

### Do Unit Converter and Conversion or IntelliPERMIT Mobile Modern have ads?

Unit Converter and Conversion shows ads; IntelliPERMIT Mobile Modern does not.

### Which is updated more often, Unit Converter and Conversion or IntelliPERMIT Mobile Modern?

Unit Converter and Conversion ships an update every 10 months, and IntelliPERMIT Mobile Modern every 6 months. Most recently, Unit Converter and Conversion was updated on September 22, 2026 and IntelliPERMIT Mobile Modern on September 19, 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.*