# RNG Random Generator vs Bostik FlexApp

The clearest difference is in-app purchases: Bostik FlexApp at none against RNG Random Generator's 5. Bostik FlexApp also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. RNG Random Generator sells 5 one-off in-app purchases. Bostik FlexApp asks for nothing beyond the download.

RNG Random Generator ships an update every 4 days, Bostik FlexApp every 3 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RNG Random Generator | Bostik FlexApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rng-random-generator/id1551108677/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 47 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alexander Rutkowskij](https://appshunter.io/developer/518370415) | [Arkema Pte Ltd](https://appshunter.io/developer/1530794004) |

## What reviewers say

### RNG Random Generator

[App page](https://appshunter.io/ios/app/rng-random-generator/id1551108677)

This utility app generates random numbers, performs dice rolls, coin tosses, and selects random items from lists. It offers various modes for games, decision-making, and creative prompts, with additional features available through in-app purchases.

**Highlights:** Random number generation, Dice rolling, Coin toss, Spin the bottle, Random card selection, Yes/No generator, Random color generator

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Random letters | $0.99 | one-time |
| Random order | $0.99 | one-time |
| Random names | $0.99 | one-time |
| Remove advertising | $0.99 | one-time |
| Upgrade to Pro | $1.99 | one-time |


### Bostik FlexApp

[App page](https://appshunter.io/ios/app/bostik-flexapp/id1596007589)

**In-app purchases:** none


## Frequently asked questions

### Is RNG Random Generator free?

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

### Is Bostik FlexApp free?

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

### Do RNG Random Generator or Bostik FlexApp have ads?

RNG Random Generator shows ads; Bostik FlexApp does not.

### Which is updated more often, RNG Random Generator or Bostik FlexApp?

RNG Random Generator ships an update every 4 days, and Bostik FlexApp every 3 days. Most recently, RNG Random Generator was updated on October 15, 2026 and Bostik FlexApp on October 16, 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.*