# SleepWalking Shield vs Hi

The clearest difference is in-app purchases: SleepWalking Shield at none against Hi's 1. Hi's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Hi sells 1 one-off in-app purchase. SleepWalking Shield asks for nothing beyond the download.

## The numbers

| Metric | SleepWalking Shield | Hi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Monthly |
| Size | 15 MB | 6 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Pulse Digital Health Ltd.](https://appshunter.io/developer/1882657906) | [Deniz Dogulu](https://appshunter.io/developer/1888339196) |

## What reviewers say

### SleepWalking Shield

[App page](https://appshunter.io/ios/app/sleepwalking-shield/id6760103546)

**In-app purchases:** none


### Hi

[App page](https://appshunter.io/ios/app/hi-pro/id6761231566)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is SleepWalking Shield free?

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

### Is Hi free?

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

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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.*