# TrueEntropy vs Random Number Generator

The clearest difference is in-app purchases: TrueEntropy at none against Random Number Generator's 2. TrueEntropy also leads on ads (none vs shown). Random Number Generator's advantage is update cadence (monthly vs every 41 months) and rating (4.9 vs 4.5). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Random Number Generator sells 2 in-app purchases, starting at $0.99 per month. TrueEntropy asks for nothing beyond the download.

Random Number Generator holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 11 and 25 respectively.

TrueEntropy ships an update every 41 months, Random Number Generator monthly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TrueEntropy | Random Number Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/trueentropy/id1299321174/reviews) | **[4.9 (25 ratings)](https://appshunter.io/ios/app/random-number-generator-rng/id6444014018/reviews)** |
| Number of ratings | 11 | **25** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 112 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vault12, Inc.](https://appshunter.io/developer/1073276506) | [SHPAVDA, TOO](https://appshunter.io/developer/1779139180) |

## What reviewers say

### TrueEntropy

[App page](https://appshunter.io/ios/app/trueentropy/id1299321174)

This app leverages your smartphone's camera to produce genuine random numbers by capturing thermal noise. It generates a high volume of entropy, suitable for cryptographic purposes, and can output data locally or remotely.

**Highlights:** Generate true random numbers from thermal noise, Utilizes smartphone camera sensor, High volume entropy generation, Output binary files locally, Send entropy via cryptographic relays, Continuous generation mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Random Number Generator

[App page](https://appshunter.io/ios/app/random-number-generator-rng/id6444014018)

This tool generates integers or real numbers within a specified range and quantity. It offers customizable decimal precision, generation history, and a favorites list for easy recall. The app features a user-friendly interface with light and dark theme options.

**Highlights:** Generate integers and real numbers, Customizable range and quantity, Set decimal precision, Generation history, Save to favorites, Light and dark themes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Ad-Free | $0.99 | per month |
| Yearly Ad-Free | $7.99 | per year |


## Frequently asked questions

### Is TrueEntropy free?

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

### Is Random Number Generator free?

Random Number Generator is free to download, with in-app purchases available.

### Which has better reviews, TrueEntropy or Random Number Generator?

Random Number Generator is rated higher. TrueEntropy averages 4.5 out of 5 from 11 ratings, while Random Number Generator averages 4.9 from 25 ratings.

### Do TrueEntropy or Random Number Generator have ads?

Random Number Generator shows ads; TrueEntropy does not.

### Which is updated more often, TrueEntropy or Random Number Generator?

TrueEntropy ships an update every 41 months, and Random Number Generator monthly. Most recently, TrueEntropy was updated on October 26, 2026 and Random Number Generator on October 24, 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.*