# Random Balls vs 经纬达

The clearest difference is in-app purchases: 经纬达 at none against Random Balls's 2. 经纬达 also leads on iOS requirement (9.0 vs 11.0). Random Balls's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | Random Balls | 经纬达 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (211 ratings)](https://appshunter.io/ios/app/random-balls-shake-them/id1515002475/reviews)** | — |
| Number of ratings | **211** | — |
| Positive reviews | 79.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 11 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 36 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [乃君 黄](https://appshunter.io/developer/1337343608) | [Sichuan Jingwei Wanda Technology Co., Ltd.](https://appshunter.io/developer/1466585966) |

## 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 |


### 经纬达

[App page](https://appshunter.io/ios/app/id6450914226)

**In-app purchases:** none


## Frequently asked questions

### Is Random Balls free?

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

### Is 经纬达 free?

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

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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.*