# Greenlight vs Empatica Care Lab

The clearest difference is update cadence: Empatica Care Lab at monthly against Greenlight's every 18 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Greenlight ships an update every 18 months, Empatica Care Lab monthly. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Greenlight | Empatica Care Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/empatica-care-lab/id6443699123/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Monthly** |
| Monetization | — | Free |
| Size | 339 MB | 199 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Design Interactive Inc.](https://appshunter.io/developer/941250876) | [Empatica](https://appshunter.io/developer/702791636) |

## What reviewers say

### Greenlight

[App page](https://appshunter.io/ios/app/greenlight-optimize-your-day/id6443505421)

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

**In-app purchases:** none


### Empatica Care Lab

[App page](https://appshunter.io/ios/app/empatica-care-lab/id6443699123)

This app facilitates the collection and secure upload of data from a wearable device to a cloud platform for academic and institutional research. It offers live system status checks, continuous data streaming, and smart troubleshooting to ensure research integrity.

**Highlights:** Live system status check, Automated wearable data streaming, Wearing time indicator, Smart troubleshooting, Secure, de-identified login

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Greenlight free?

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

### Is Empatica Care Lab free?

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

### Do Greenlight or Empatica Care Lab have ads?

Neither Greenlight nor Empatica Care Lab shows ads.

### Which is updated more often, Greenlight or Empatica Care Lab?

Greenlight ships an update every 18 months, and Empatica Care Lab monthly. Most recently, Greenlight was updated on October 11, 2026 and Empatica Care Lab on October 21, 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.*