# HeadSleep vs Zenkey

The clearest difference is in-app purchases: Zenkey at none against HeadSleep's 3. HeadSleep's advantage is device support (3 vs 1) and iOS requirement (16.6 vs 18.0). On price and ads there is nothing between them.

Both are free to download. HeadSleep sells 3 one-off in-app purchases. Zenkey asks for nothing beyond the download.

## The numbers

| Metric | HeadSleep | Zenkey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 382 MB | 3 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [业书 曹](https://appshunter.io/developer/1215644261) | [悦茨 宿](https://appshunter.io/developer/1831398755) |

## What reviewers say

### HeadSleep

[App page](https://appshunter.io/ios/app/headsleep/id6752551486)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 助眠解压季度VIP | $2.99 | one-time |
| 助眠解压年VIP | $9.99 | one-time |
| 助眠解压终身VIP | $14.99 | one-time |


### Zenkey

[App page](https://appshunter.io/ios/app/zenkey/id6756201702)

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

**In-app purchases:** none


## Frequently asked questions

### Is HeadSleep free?

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

### Is Zenkey free?

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

### Do HeadSleep or Zenkey have ads?

Neither HeadSleep nor Zenkey 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.*