# Serenity vs Sleep Effect

The clearest difference is in-app purchases: Sleep Effect at none against Serenity's 3. Serenity's advantage is iOS requirement (17.6 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Serenity sells 3 in-app purchases, starting at $1.99 per month. Sleep Effect asks for nothing beyond the download.

## The numbers

| Metric | Serenity | Sleep Effect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 101 MB | 324 MB |
| Requires iOS | **17.6** | 26.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Bogdan Popa](https://appshunter.io/developer/1886720581) | [Ahmed Nabulsi](https://appshunter.io/developer/1863897890) |

## What reviewers say

### Serenity

[App page](https://appshunter.io/ios/app/serenity-ambient-sounds/id6760903913)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $14.99 | per year |
| Lifetime Access | $19.99 | one-time |


### Sleep Effect

[App page](https://appshunter.io/ios/app/sleep-effect/id6762162467)

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

**In-app purchases:** none


## Frequently asked questions

### Is Serenity free?

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

### Is Sleep Effect free?

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

### Do Serenity or Sleep Effect have ads?

Neither Serenity nor Sleep Effect shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*