# Chloe by People Science vs Project PROTECTS

Chloe by People Science and Project PROTECTS both sit at 3.8 stars, but that hides the real split: 67% of Project PROTECTS's written reviews are positive against 50% of Chloe by People Science's. Chloe by People Science's advantage is ratings volume (20 vs 3). 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 — 3.8 for Chloe by People Science against 3.7 for Project PROTECTS. That said, the two scores are not equally well evidenced: Chloe by People Science has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 50% of Chloe by People Science's written reviews are positive against 67% of Project PROTECTS's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Chloe by People Science | Project PROTECTS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (20 ratings)](https://appshunter.io/ios/app/chloe-by-people-science/id6462268978/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/project-protects/id6497479699/reviews) |
| Number of ratings | **20** | 3 |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 80 MB | 80 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [People Science, Inc.](https://appshunter.io/developer/1626157673) | [Vibrent Health, Inc.](https://appshunter.io/developer/1236953707) |

## What reviewers say

### Chloe by People Science

[App page](https://appshunter.io/ios/app/chloe-by-people-science/id6462268978)

This app empowers individuals to discover which alternative medicines work best for them through active and passive data collection. It supports research into cannabinoids, psychedelics, supplements, and more, making clinical evidence generation easier and more affordable.

**Highlights:** Personalized alternative medicine insights, Active and passive data collection, Research on cannabinoids and psychedelics, Supports supplement and nutraceutical studies, Digital health solutions integration, Empowers informed health decisions

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

**In-app purchases:** none


### Project PROTECTS

[App page](https://appshunter.io/ios/app/project-protects/id6497479699)

This research study invites adults in the US to help understand the effects of respiratory infections. Participants need a smartphone, email, and internet access to contribute to vital health research.

**Highlights:** Participate in health research, Understand infection effects, Smartphone required, US-based eligibility, Contribute to scientific understanding

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chloe by People Science free?

Chloe by People Science is free to download, with no in-app purchases.

### Is Project PROTECTS free?

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

### Which has better reviews, Chloe by People Science or Project PROTECTS?

Chloe by People Science is rated higher. Chloe by People Science averages 3.8 out of 5 from 20 ratings, while Project PROTECTS averages 3.7 from 3 ratings.

### Do Chloe by People Science or Project PROTECTS have ads?

Neither Chloe by People Science nor Project PROTECTS shows ads.

### Which is updated more often, Chloe by People Science or Project PROTECTS?

Chloe by People Science ships an update monthly, and Project PROTECTS monthly. Most recently, Chloe by People Science was updated on November 3, 2026 and Project PROTECTS 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.*