# Empatica Care vs MARLIN Study

The clearest difference is device support: MARLIN Study at 3 against Empatica Care's 1. MARLIN Study also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, 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.

Empatica Care ships an update every 2 months, MARLIN Study every 6 weeks. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Empatica Care | MARLIN Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (10 ratings)](https://appshunter.io/ios/app/empatica-care/id1510409984/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 204 MB | 149 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Empatica](https://appshunter.io/developer/702791636) | [Hello Thread](https://appshunter.io/developer/996237890) |

## What reviewers say

### Empatica Care

[App page](https://appshunter.io/ios/app/empatica-care/id1510409984)

This app collects physiological data from a compatible wearable device and securely transmits it to the cloud for professional review. It offers live system status checks, continuous data streaming, and smart troubleshooting to ensure reliable remote health monitoring.

**Highlights:** Remote health data collection, Physiological data streaming, Live system status check, Smart troubleshooting, Secure data transmission, Wearable adherence indicator

**Features:** Vision Pro support

**In-app purchases:** none


### MARLIN Study

[App page](https://appshunter.io/ios/app/marlin-study/id6503040793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Empatica Care free?

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

### Is MARLIN Study free?

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

### Do Empatica Care or MARLIN Study have ads?

Neither Empatica Care nor MARLIN Study shows ads.

### Which is updated more often, Empatica Care or MARLIN Study?

Empatica Care ships an update every 2 months, and MARLIN Study every 6 weeks. Most recently, Empatica Care was updated on October 5, 2026 and MARLIN Study on October 2, 2026.

---

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