# Random Number 99 small vs Lucky Balls

The clearest difference is price: Lucky Balls at Free against Random Number 99 small's $3.99. Random Number 99 small's advantage is iOS requirement (15.1 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Lucky Balls is free to download; Random Number 99 small costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Random Number 99 small ships an update every 16 months, Lucky Balls every 15 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Random Number 99 small | Lucky Balls |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 15 months** |
| Size | 24 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [浩保 Chiba](https://appshunter.io/developer/303198553) | [江 郭](https://appshunter.io/developer/878465404) |

## What reviewers say

### Random Number 99 small

[App page](https://appshunter.io/ios/app/random-number-99-small/id602510005)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lucky Balls

[App page](https://appshunter.io/ios/app/lucky-balls-physics/id6476054606)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Random Number 99 small free?

Random Number 99 small costs $3.99, with no in-app purchases.

### Is Lucky Balls free?

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

### Do Random Number 99 small or Lucky Balls have ads?

Neither Random Number 99 small nor Lucky Balls shows ads.

### Which is updated more often, Random Number 99 small or Lucky Balls?

Random Number 99 small ships an update every 16 months, and Lucky Balls every 15 months. Most recently, Random Number 99 small was updated on October 26, 2026 and Lucky Balls on October 27, 2026.

---

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