# Keep Time! vs Bubbly Zone

The clearest difference is price: Keep Time! at Free against Bubbly Zone's $0.99. Bubbly Zone's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Keep Time! is free to download; Bubbly Zone costs $0.99 up front. Keep Time! sells 1 in-app purchase, starting at $1.99 per year. Bubbly Zone asks for nothing beyond the download.

## The numbers

| Metric | Keep Time! | Bubbly Zone |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 4 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [锡蕃 林](https://appshunter.io/developer/522352724) | [Ali Kadim](https://appshunter.io/developer/1863284888) |

## What reviewers say

### Keep Time!

[App page](https://appshunter.io/ios/app/keep-time-improve-focus/id1134622897)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annually | $1.99 | per year |


### Bubbly Zone

[App page](https://appshunter.io/ios/app/bubbly-zone/id6758965610)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keep Time! free?

Keep Time! is free to download, with in-app purchases available.

### Is Bubbly Zone free?

Bubbly Zone costs $0.99, with no in-app purchases.

### Do Keep Time! or Bubbly Zone have ads?

Neither Keep Time! nor Bubbly Zone shows ads.

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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.*