# Marathon Health vs ReactDx Sleep

The clearest difference is rating: Marathon Health at 2.2 against ReactDx Sleep's 1.9. Marathon Health also leads on review sentiment (14% vs 0%) and chart position (#204 vs unranked). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Marathon Health holds the better App Store score, 2.2 against 1.9. Both are backed by a comparable volume of ratings — 58 and 23 respectively. Written reviews point the same way: 14% of Marathon Health's written reviews are positive against 0% of ReactDx Sleep's.

Marathon Health ships an update every 3 weeks, ReactDx Sleep every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Marathon Health | ReactDx Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (58 ratings)](https://appshunter.io/ios/app/marathon-health/id1569446504/reviews)** | [1.9 (23 ratings)](https://appshunter.io/ios/app/reactdx-sleep/id6502960516/reviews) |
| Number of ratings | **58** | 23 |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Best chart rank | **#204** | — |
| Size | 60 MB | 45 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marathon Health](https://appshunter.io/developer/1484117752) | [Medicomp, Inc](https://appshunter.io/developer/361252868) |

## What reviewers say

### Marathon Health

[App page](https://appshunter.io/ios/app/marathon-health/id1569446504)

**Currently charting:** #204 Top Free · Medical (US App Store)

Manage your health conveniently from anywhere, anytime. Book appointments, refill prescriptions, and connect with your care team securely. Access your health information at a glance.

**Highlights:** Book appointments, Refill medications, Virtual care team visits, Health information dashboard, Secure messaging

**In-app purchases:** none


### ReactDx Sleep

[App page](https://appshunter.io/ios/app/reactdx-sleep/id6502960516)

Complete a prescribed diagnostic sleep apnea test at home. This application is for diagnostic use only and does not offer medical advice. Always consult your healthcare provider for medical decisions.

**Highlights:** Home sleep apnea testing, Prescribed diagnostic tool, Comfortable at-home use, For diagnostic purposes only, Consult healthcare provider

**In-app purchases:** none


## Frequently asked questions

### Is Marathon Health free?

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

### Is ReactDx Sleep free?

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

### Which has better reviews, Marathon Health or ReactDx Sleep?

Marathon Health is rated higher. Marathon Health averages 2.2 out of 5 from 58 ratings, while ReactDx Sleep averages 1.9 from 23 ratings.

### Do Marathon Health or ReactDx Sleep have ads?

Neither Marathon Health nor ReactDx Sleep shows ads.

### Which is updated more often, Marathon Health or ReactDx Sleep?

Marathon Health ships an update every 3 weeks, and ReactDx Sleep every 6 weeks. Most recently, Marathon Health was updated on November 3, 2026 and ReactDx Sleep 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.*