# Random Number Generator. RNG vs TrueEntropy

The clearest difference is in-app purchases: TrueEntropy at none against Random Number Generator. RNG's 9. TrueEntropy also leads on iOS requirement (12.0 vs 17.0). Random Number Generator. RNG's advantage is update cadence (fortnightly vs every 41 months) and ratings volume (3.3K vs 11). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Random Number Generator. RNG sells 9 in-app purchases, starting at $2.99 per month. TrueEntropy asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Random Number Generator. RNG against 4.5 for TrueEntropy. That said, the two scores are not equally well evidenced: Random Number Generator. RNG has 3.3K ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 61% of Random Number Generator. RNG's written reviews are positive against 67% of TrueEntropy's.

Random Number Generator. RNG ships an update fortnightly, TrueEntropy every 41 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Random Number Generator. RNG | TrueEntropy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.3K ratings)](https://appshunter.io/ios/app/random-number-generator-rng/id1128190780/reviews)** | [4.5 (11 ratings)](https://appshunter.io/ios/app/trueentropy/id1299321174/reviews) |
| Number of ratings | **3.3K** | 11 |
| Positive reviews | 60.6% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 41 months |
| Monetization | Freemium | **Free** |
| Size | 59 MB | 10 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Yahenskyi](https://appshunter.io/developer/961335645) | [Vault12, Inc.](https://appshunter.io/developer/1073276506) |

## What reviewers say

### Random Number Generator. RNG

[App page](https://appshunter.io/ios/app/random-number-generator-rng/id1128190780)

This app provides a versatile tool for generating random numbers, letters, and making decisions. It offers various randomization features like dice rolling, coin flipping, and custom list selection. Users can also utilize widgets and Apple Watch integration for quick access to random outcomes.

**Highlights:** Number generator (0-999999999), Letter generator, Dice roller, Custom list item generator, Coin flipper, Rock-Paper-Scissors, Widgets and Apple Watch support

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $2.99 | per month |
| Monthly plan | $2.99 | per month |
| Monthly plan | $4.99 | per month |
| Weekly plan | $4.99 | per 7 days |
| Annual plan | $19.99 | per year |
| Yearly plan | $29.99 | per year |
| Annual plan | $29.99 | per year |
| Lifetime. One-time purchase | $35.99 | one-time |
| Lifetime plan | $59.99 | one-time |


### 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


## Frequently asked questions

### Is Random Number Generator. RNG free?

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

### Is TrueEntropy free?

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

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

Random Number Generator. RNG is rated higher. Random Number Generator. RNG averages 4.6 out of 5 from 3.3K ratings, while TrueEntropy averages 4.5 from 11 ratings.

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

Neither Random Number Generator. RNG nor TrueEntropy shows ads.

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

Random Number Generator. RNG ships an update fortnightly, and TrueEntropy every 41 months. Most recently, Random Number Generator. RNG was updated on November 2, 2026 and TrueEntropy on November 4, 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.*