# OIO vs Before Bed 30 | Sleep Timer

The clearest difference is in-app purchases: OIO at none against Before Bed 30 | Sleep Timer's 3. OIO also leads on iOS requirement (16.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Before Bed 30 | Sleep Timer sells 3 in-app purchases, starting at $0.49 per 7 days. OIO asks for nothing beyond the download.

OIO ships an update every 3 days, Before Bed 30 | Sleep Timer every 2 days. Both last shipped on October 17, 2026.

## The numbers

| Metric | OIO | Before Bed 30 | Sleep Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 41 MB | 48 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yongjia Yueyan Technology Co., Ltd](https://appshunter.io/developer/6776898162) | [BOOGIOS_STUDIO](https://appshunter.io/developer/1707135670) |

## What reviewers say

### OIO

[App page](https://appshunter.io/ios/app/oio/id6776898160)

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

**In-app purchases:** none


### Before Bed 30 | Sleep Timer

[App page](https://appshunter.io/ios/app/before-bed-30-sleep-timer/id6788188857)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BeforeBed30 Pro Weekly | $0.49 | per 7 days |
| BeforeBed30 Pro Monthly | $1.99 | per month |
| BeforeBed30 Pro Yearly | $11.99 | per year |


## Frequently asked questions

### Is OIO free?

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

### Is Before Bed 30 | Sleep Timer free?

Before Bed 30 | Sleep Timer is free to download, with in-app purchases available.

### Do OIO or Before Bed 30 | Sleep Timer have ads?

Neither OIO nor Before Bed 30 | Sleep Timer shows ads.

### Which is updated more often, OIO or Before Bed 30 | Sleep Timer?

OIO ships an update every 3 days, and Before Bed 30 | Sleep Timer every 2 days. Most recently, OIO was updated on October 17, 2026 and Before Bed 30 | Sleep Timer on October 17, 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.*