# Simple Units Converter lite vs Pro Unit Converter

The clearest difference is in-app purchases: Simple Units Converter lite at none against Pro Unit Converter's 1. Pro Unit Converter's advantage is update cadence (daily vs every 8 months) and iOS requirement (11.0 vs 16.2). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Pro Unit Converter sells 1 one-off in-app purchase. Simple Units Converter lite asks for nothing beyond the download.

Simple Units Converter lite ships an update every 8 months, Pro Unit Converter daily. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Simple Units Converter lite | Pro Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-units-converter-lite/id599423578/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Daily** |
| Monetization | Free | Free |
| Size | 9 MB | 37 MB |
| Requires iOS | 16.2 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mind Trends LLC](https://appshunter.io/developer/582509215) | [Quang Tri Mai Nguyen](https://appshunter.io/developer/1626809833) |

## What reviewers say

### Simple Units Converter lite

[App page](https://appshunter.io/ios/app/simple-units-converter-lite/id599423578)

Easily convert between various units of measurement with this user-friendly calculator. It offers a wide range of dimensions and units for everyday use and specific applications.

**Highlights:** Extensive unit library, 22 different dimensions, User-friendly interface, General-purpose calculator, Lite version

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

**In-app purchases:** none


### Pro Unit Converter

[App page](https://appshunter.io/ios/app/pro-unit-converter/id6452273430)

This free utility app offers a quick and convenient way to convert various units with a beautiful and intuitive interface. Save frequently used conversions for easy access and convert everything from area and length to temperature and data.

**Highlights:** Multiple conversion categories, Save frequent conversions, Intuitive user interface, Quick input and results, Beautiful design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all Ads in the app | $0.99 | one-time |


## Frequently asked questions

### Is Simple Units Converter lite free?

Simple Units Converter lite is free to download, with no in-app purchases.

### Is Pro Unit Converter free?

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

### Do Simple Units Converter lite or Pro Unit Converter have ads?

Neither Simple Units Converter lite nor Pro Unit Converter shows ads.

### Which is updated more often, Simple Units Converter lite or Pro Unit Converter?

Simple Units Converter lite ships an update every 8 months, and Pro Unit Converter daily. Most recently, Simple Units Converter lite was updated on October 23, 2026 and Pro Unit Converter on October 6, 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.*