# Simple Unit Convert Pro vs ShoutScreen

The clearest difference is iOS requirement: Simple Unit Convert Pro at 15.1 against ShoutScreen's 17. On price, update cadence, 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.

Simple Unit Convert Pro ships an update every 2 months, ShoutScreen every 3 months. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Simple Unit Convert Pro | ShoutScreen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/simple-unit-convert-pro/id6477877519/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 27 MB | 6 MB |
| Requires iOS | **15.1** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Annika Gadman](https://appshunter.io/developer/1728509902) | [康 魏](https://appshunter.io/developer/1781368818) |

## What reviewers say

### 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


### ShoutScreen

[App page](https://appshunter.io/ios/app/shoutscreen/id6745906158)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Unit Convert Pro free?

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

### Is ShoutScreen free?

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

### Do Simple Unit Convert Pro or ShoutScreen have ads?

Neither Simple Unit Convert Pro nor ShoutScreen shows ads.

### Which is updated more often, Simple Unit Convert Pro or ShoutScreen?

Simple Unit Convert Pro ships an update every 2 months, and ShoutScreen every 3 months. Most recently, Simple Unit Convert Pro was updated on September 9, 2026 and ShoutScreen 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.*