# Sonde One vs Empatica Care Lab

Sonde One and Empatica Care Lab both sit at 3.0 stars, but that hides the real split: 100% of Empatica Care Lab's written reviews are positive against 58% of Sonde One's. Sonde One's advantage is ratings volume (47 vs 2) and iOS requirement (13.0 vs 17.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.0 for Sonde One against 3.0 for Empatica Care Lab. That said, the two scores are not equally well evidenced: Sonde One has 47 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 58% of Sonde One's written reviews are positive against 100% of Empatica Care Lab's.

Sonde One ships an update every 6 weeks, Empatica Care Lab monthly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sonde One | Empatica Care Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (47 ratings)](https://appshunter.io/ios/app/sonde-one/id1147192738/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/empatica-care-lab/id6443699123/reviews)** |
| Number of ratings | **47** | 2 |
| Positive reviews | 58.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 69 MB | 199 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Sonde Health](https://appshunter.io/developer/1093148075) | [Empatica](https://appshunter.io/developer/702791636) |

## What reviewers say

### Sonde One

[App page](https://appshunter.io/ios/app/sonde-one/id1147192738)

This app uses voice analysis to track health conditions by identifying subtle vocal changes. It offers health scores and symptom assessments for enterprise and research users, contributing to groundbreaking voice biomarker research.

**Highlights:** Vocal biomarker analysis, Health condition tracking, Symptom assessments, Enterprise health tool, Voice research participation, Health scores

**Features:** macOS Compatibility

**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 Sonde One free?

Sonde One 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.

### Which has better reviews, Sonde One or Empatica Care Lab?

Empatica Care Lab is rated higher. Sonde One averages 3.0 out of 5 from 47 ratings, while Empatica Care Lab averages 3.0 from 2 ratings.

### Do Sonde One or Empatica Care Lab have ads?

Neither Sonde One nor Empatica Care Lab shows ads.

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

Sonde One ships an update every 6 weeks, and Empatica Care Lab monthly. Most recently, Sonde One was updated on October 24, 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.*