# Arr vs zzzBUS

The clearest difference is in-app purchases: zzzBUS at none against Arr's 5. Arr's advantage is update cadence (weekly vs every 3 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Arr sells 5 one-off in-app purchases. zzzBUS asks for nothing beyond the download.

Arr ships an update weekly, zzzBUS every 3 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Arr | zzzBUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 155 MB | 17 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pyro Studio Pte.Ltd.](https://appshunter.io/developer/1711531556) | [KUN ZHOU](https://appshunter.io/developer/1742514313) |

## What reviewers say

### Arr

[App page](https://appshunter.io/ios/app/arr-play-while-you-wait-lah/id6469095031)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| World Neon Nexus | $0.99 | one-time |
| World Electronic Ink | $0.99 | one-time |
| World Dream Land | $0.99 | one-time |
| World Retro Revival | $0.99 | one-time |
| World Momo's Friend | $0.99 | one-time |


### zzzBUS

[App page](https://appshunter.io/ios/app/zzzbus/id6740849992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arr free?

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

### Is zzzBUS free?

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

### Do Arr or zzzBUS have ads?

Neither Arr nor zzzBUS shows ads.

### Which is updated more often, Arr or zzzBUS?

Arr ships an update weekly, and zzzBUS every 3 months. Most recently, Arr was updated on October 30, 2026 and zzzBUS on October 28, 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.*