# Simple Units Converter lite vs Simple Unit Convert Pro

The clearest difference is update cadence: Simple Unit Convert Pro at every 2 months against Simple Units Converter lite's every 8 months. Simple Unit Convert Pro also leads on ratings volume (4 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Simple Units Converter lite against 5.0 for Simple Unit Convert Pro. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Simple Units Converter lite ships an update every 8 months, Simple Unit Convert Pro every 2 months. The most recent releases landed on September 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Simple Units Converter lite | Simple Unit Convert Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/simple-units-converter-lite/id599423578/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/simple-unit-convert-pro/id6477877519/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 9 MB | 27 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mind Trends LLC](https://appshunter.io/developer/582509215) | [Annika Gadman](https://appshunter.io/developer/1728509902) |

## 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


### Simple Unit Convert Pro

[App page](https://appshunter.io/ios/app/simple-unit-convert-pro/id6477877519)

This utility app offers a comprehensive solution for converting various units of measurement. It simplifies daily tasks by providing precise conversions for temperature, speed, distance, weight, volume, and area. Streamline your needs with this user-friendly converter.

**Highlights:** Temperature conversion (Fahrenheit/Celsius), Speed conversion (mph/kph), Distance conversion (miles/kilometers), Weight conversion (lbs/oz/kg), Volume conversion (cups/ml/gallons), Area conversion (sq ft/sq m)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Units Converter lite free?

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

### Is Simple Unit Convert Pro free?

Simple Unit Convert Pro is free to download, with no in-app purchases.

### Which has better reviews, Simple Units Converter lite or Simple Unit Convert Pro?

Simple Units Converter lite and Simple Unit Convert Pro are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

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

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

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

Simple Units Converter lite ships an update every 8 months, and Simple Unit Convert Pro every 2 months. Most recently, Simple Units Converter lite was updated on September 6, 2026 and Simple Unit Convert Pro on September 9, 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.*