# Random Number Generator vs Ultimate Unit Converter Pro

The clearest difference is ads: Ultimate Unit Converter Pro at none against Random Number Generator's shown. Ultimate Unit Converter Pro also leads on update cadence (every 3 days vs monthly). Random Number Generator's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

Random Number Generator ships an update monthly, Ultimate Unit Converter Pro every 3 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Random Number Generator | Ultimate Unit Converter Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ultimate-unit-converter-pro/id6463096286/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | — | Free |
| Size | 3 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koewen Hoffman](https://appshunter.io/developer/1640324631) | [Talal El Zeini](https://appshunter.io/developer/1521747288) |

## What reviewers say

### Random Number Generator

[App page](https://appshunter.io/ios/app/random-number-generator-tf427/id1640557202)

**In-app purchases:** none


### Ultimate Unit Converter Pro

[App page](https://appshunter.io/ios/app/ultimate-unit-converter-pro/id6463096286)

This utility app provides a streamlined way to perform unit conversions quickly and efficiently. It's designed to be an essential tool for users who need to make calculations on the go. Elevate your conversion experience with this powerful application.

**Highlights:** Seamless unit conversion, Quick calculations, Efficient workflow, Essential utility tool, Pro-grade experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Random Number Generator free?

Random Number Generator is free to download, with no in-app purchases.

### Is Ultimate Unit Converter Pro free?

Ultimate Unit Converter Pro is free to download, with no in-app purchases.

### Do Random Number Generator or Ultimate Unit Converter Pro have ads?

Random Number Generator shows ads; Ultimate Unit Converter Pro does not.

### Which is updated more often, Random Number Generator or Ultimate Unit Converter Pro?

Random Number Generator ships an update monthly, and Ultimate Unit Converter Pro every 3 days. Most recently, Random Number Generator was updated on October 27, 2026 and Ultimate Unit Converter Pro on October 28, 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.*