# Random Balls vs Rxpress

The clearest difference is in-app purchases: Rxpress at none against Random Balls's 2. Random Balls's advantage is iOS requirement (11.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Random Balls sells 2 one-off in-app purchases. Rxpress asks for nothing beyond the download.

Random Balls ships an update every 11 days, Rxpress every 5 days. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Random Balls | Rxpress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (210 ratings)](https://appshunter.io/ios/app/random-balls-shake-them/id1515002475/reviews)** | — |
| Number of ratings | **210** | — |
| Positive reviews | 79.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 43 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [乃君 黄](https://appshunter.io/developer/1337343608) | [AdelphaTech Inc.](https://appshunter.io/developer/909658308) |

## What reviewers say

### Random Balls

[App page](https://appshunter.io/ios/app/random-balls-shake-them/id1515002475)

Generate sequences of random numbers using a physics-based simulation. Shake your device to let virtual balls collide and determine your random results. Offers multiple ball machines for diverse random data generation.

**Highlights:** Physics-based ball simulation, Accelerometer-driven collisions, Multiple unique ball machines, Generate up to 20 balls per machine, Group up to 10 machines, High-quality randomness

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support developer | $3.99 | one-time |
| Unlock all balls | $4.99 | one-time |


### Rxpress

[App page](https://appshunter.io/ios/app/rxpress/id1522511445)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Random Balls free?

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

### Is Rxpress free?

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

### Do Random Balls or Rxpress have ads?

Neither Random Balls nor Rxpress shows ads.

### Which is updated more often, Random Balls or Rxpress?

Random Balls ships an update every 11 days, and Rxpress every 5 days. Most recently, Random Balls was updated on October 20, 2026 and Rxpress on October 5, 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.*