# Natural Sleep Aid vs Petool

The clearest difference is in-app purchases: Petool at none against Natural Sleep Aid's 4. Petool also leads on ads (none vs shown) and update cadence (monthly vs every 27 months). On price and device support there is nothing between them.

Both are free to download. Natural Sleep Aid sells 4 in-app purchases, starting at $1.99 per month. Petool asks for nothing beyond the download.

Natural Sleep Aid ships an update every 27 months, Petool monthly. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Natural Sleep Aid | Petool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/natural-sleep-aid/id899074955/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 27 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 127 MB | 50 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Equilibrium Srl](https://appshunter.io/developer/546309406) | [宝平 钟](https://appshunter.io/developer/900858557) |

## What reviewers say

### Natural Sleep Aid

[App page](https://appshunter.io/ios/app/natural-sleep-aid/id899074955)

This app offers music remedies designed to help users relax and fall asleep. It features seven high-quality, sleep-inducing songs with a captivating graphic interface. The basic version is free, with optional in-app purchases for additional sounds and a sleep timer.

**Highlights:** 7 high-quality sleep songs, Captivating graphic interface, Relaxing background visuals, Optional sound packs, Adjustable sleep timer, Suitable for baby sleep

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Monthly | $1.99 | per month |
| Sleep Yearly | $17.99 | per year |
| Relaxing Sounds Pack | $1.99 | one-time |
| Sleep Timer | $1.99 | one-time |


### Petool

[App page](https://appshunter.io/ios/app/petool/id6466809180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Natural Sleep Aid free?

Natural Sleep Aid is free to download, with in-app purchases available.

### Is Petool free?

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

### Do Natural Sleep Aid or Petool have ads?

Natural Sleep Aid shows ads; Petool does not.

### Which is updated more often, Natural Sleep Aid or Petool?

Natural Sleep Aid ships an update every 27 months, and Petool monthly. Most recently, Natural Sleep Aid was updated on October 23, 2026 and Petool on October 13, 2026.

---

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