# B Master vs RNG Random Generator

The clearest difference is price: RNG Random Generator at Free against B Master's $12.99. RNG Random Generator also leads on update cadence (every 4 days vs every 7 months). B Master's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 15.6). On ads and device support there is nothing between them.

RNG Random Generator is free to download; B Master costs $12.99 up front. RNG Random Generator sells 5 one-off in-app purchases. B Master asks for nothing beyond the download.

B Master ships an update every 7 months, RNG Random Generator every 4 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | B Master | RNG Random Generator |
| --- | --- | --- |
| Price | $12.99 | **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 | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 37 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yeong Wu Heo](https://appshunter.io/developer/1483176959) | [Alexander Rutkowskij](https://appshunter.io/developer/518370415) |

## What reviewers say

### B Master

[App page](https://appshunter.io/ios/app/b-master/id1516408124)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is B Master free?

B Master costs $12.99, with no in-app purchases.

### Is RNG Random Generator free?

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

### Do B Master or RNG Random Generator have ads?

Both B Master and RNG Random Generator show ads.

### Which is updated more often, B Master or RNG Random Generator?

B Master ships an update every 7 months, and RNG Random Generator every 4 days. Most recently, B Master was updated on October 13, 2026 and RNG Random Generator on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*