# Sleep Watch vs Rest AI

The clearest difference is in-app purchases: Sleep Watch at none against Rest AI's 2. Sleep Watch also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Rest AI's advantage is update cadence (weekly vs every 6 weeks) and ratings volume (4 vs 1). On price, rating and ads there is nothing between them.

Both are free to download. Rest AI sells 2 in-app purchases, starting at $9.99 per month. Sleep Watch asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sleep Watch against 5.0 for Rest AI. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Sleep Watch ships an update every 6 weeks, Rest AI weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sleep Watch | Rest AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sleep-watch/id6457207402/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/rest-ai/id6755010789/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AMBULATORY MONITORING, INC.](https://appshunter.io/developer/1821797921) | [NovaBuild, Inc.](https://appshunter.io/developer/1848247053) |

## What reviewers say

### Sleep Watch

[App page](https://appshunter.io/ios/app/sleep-watch/id6457207402)

This app syncs with your wearable device to collect and analyze health data in the cloud. It provides insights through a web interface and allows you to manage device settings and firmware updates.

**Highlights:** Bluetooth pairing with wearables, Cloud data analysis and visualization, Device data collection settings, Device information and firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Rest AI

[App page](https://appshunter.io/ios/app/rest-ai/id6755010789)

Understand your body's hydration, stress, energy, and recovery with AI-powered facial scans. Get personalized wellness guidance without complex tracking. Simply scan your face to receive clear, actionable insights for better daily well-being.

**Highlights:** AI-powered facial scans, Personalized wellness insights, Hydration and stress tracking, Daily wellness guidance, Simple, non-invasive analysis, No complex data logging

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Annually | $29.99 | per year |


## Frequently asked questions

### Is Sleep Watch free?

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

### Is Rest AI free?

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

### Which has better reviews, Sleep Watch or Rest AI?

Sleep Watch and Rest AI are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Sleep Watch or Rest AI have ads?

Neither Sleep Watch nor Rest AI shows ads.

### Which is updated more often, Sleep Watch or Rest AI?

Sleep Watch ships an update every 6 weeks, and Rest AI weekly. Most recently, Sleep Watch was updated on November 3, 2026 and Rest AI on October 30, 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.*