# Empirical Sleep & apnea care vs Loopwell

The clearest difference is in-app purchases: Loopwell at none against Empirical Sleep & apnea care's 12. Empirical Sleep & apnea care's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Empirical Sleep & apnea care sells 12 in-app purchases, starting at $4.99 per month. Loopwell asks for nothing beyond the download.

## The numbers

| Metric | Empirical Sleep & apnea care | Loopwell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (172 ratings)](https://appshunter.io/ios/app/empirical-sleep-and-apnea-care/id1623615785/reviews)** | — |
| Number of ratings | **172** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Empirical Health, Inc.](https://appshunter.io/developer/1623615997) | [Shenzhen Lichuang Zhiwei Technology Co., Ltd](https://appshunter.io/developer/6809333667) |

## What reviewers say

### Empirical Sleep & apnea care

[App page](https://appshunter.io/ios/app/empirical-sleep-and-apnea-care/id1623615785)

This app analyzes your Apple Watch health data to provide a simple sleep score and actionable advice for better sleep. It helps you understand your sleep stages, heart rate, and breathing patterns, and can assess your risk of sleep apnea.

**Highlights:** Sleep score analysis, REM & deep sleep tracking, Heart rate & HRV monitoring, Sleep apnea risk assessment, Actionable sleep improvement plan, Native Apple Watch app, Watch face & lock screen widgets

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Empirical Pro | $4.99 | per month |
| Empirical Pro | $6.99 | per year |
| Empirical Pro | $6.99 | per month |
| Empirical Membership | $9.00 | per month |
| Empirical Sleep Pro | $9.99 | per month |
| Empirical Care | $24.00 | per month |
| Empirical Pro | $49.99 | per year |
| Empirical Pro | $64.90 | per year |
| Empirical Membership | $84.00 | per year |
| $94.99 per year | $94.99 | per year |
| Six months | $124.99 | per 6 months |
| Annual subscription | $194.99 | per year |


### Loopwell

[App page](https://appshunter.io/ios/app/loopwell-interval-timer/id6810034890)

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

**In-app purchases:** none


## Frequently asked questions

### Is Empirical Sleep & apnea care free?

Empirical Sleep & apnea care is free to download, with in-app purchases available.

### Is Loopwell free?

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

### Do Empirical Sleep & apnea care or Loopwell have ads?

Neither Empirical Sleep & apnea care nor Loopwell shows ads.

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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.*