# Noodle vs SleepOwl

Noodle and SleepOwl are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Noodle sells 6 in-app purchases, starting at $2.99 per 7 days and SleepOwl sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Noodle ships an update every 5 days, SleepOwl weekly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Noodle | SleepOwl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/noodle-posture-reminder/id6765840771/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 32 MB |
| Requires iOS | 26.4 | **26.2** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | +4 | 4+ |
| Developer | [Spam Musubi Technologies](https://appshunter.io/developer/1698942015) | [Eilef Fiska](https://appshunter.io/developer/1896190018) |

## What reviewers say

### Noodle

[App page](https://appshunter.io/ios/app/noodle-posture-reminder/id6765840771)

This app uses supported headphones to detect and alert you when you're slouching, helping you build better posture habits. It offers a free trial and gamified progress tracking with unlockable rewards.

**Highlights:** Slouch and hunch detection with supported headphones, Gentle posture alerts and notifications, Live Activity and widget for at-a-glance posture, Gamified progress tracking with ranks and rewards, Adjustable detection sensitivity, On-device motion processing

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $4.99 | per month |
| Annual Extreme Discount | $9.99 | per year |
| Annual Discount | $19.99 | per year |
| Annual | $24.99 | per year |
| Annual | $24.99 | per year |


### SleepOwl

[App page](https://appshunter.io/ios/app/sleepowl-auto-sleep-tracker/id6768418613)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepOwl Pro — Weekly Subscription | $4.99 | per 7 days |
| Discount Yearly Pro | $24.99 | per year |
| SleepOwl Pro — Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Noodle free?

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

### Is SleepOwl free?

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

### Do Noodle or SleepOwl have ads?

Neither Noodle nor SleepOwl shows ads.

### Which is updated more often, Noodle or SleepOwl?

Noodle ships an update every 5 days, and SleepOwl weekly. Most recently, Noodle was updated on October 31, 2026 and SleepOwl on October 25, 2026.

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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.*