# Stormsill vs ThunderSleep

The clearest difference is ads: Stormsill at none against ThunderSleep's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Stormsill sells 1 one-off in-app purchase and ThunderSleep sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Stormsill | ThunderSleep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 weeks |
| Size | 4 MB | 62 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lukasz Pomianek](https://appshunter.io/developer/1890450297) | [Vandita Vasani](https://appshunter.io/developer/6802253805) |

## What reviewers say

### Stormsill

[App page](https://appshunter.io/ios/app/stormsill-rain-on-window/id6790697634)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter Rooms | $3.99 | one-time |


### ThunderSleep

[App page](https://appshunter.io/ios/app/thundersleep-sleep-sounds/id6802253803)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Annual | $19.99 | per year |
| Remove Ads | $2.99 | one-time |
| Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Stormsill free?

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

### Is ThunderSleep free?

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

### Do Stormsill or ThunderSleep have ads?

ThunderSleep shows ads; Stormsill does not.

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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.*