Chloe by People Science vs Project PROTECTS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chloe by People Science
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.
- 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
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People Science is a technology-enabled clinical research organization with a mission to empower humanity with the tools and knowledge of science and medicine to improve ourselves, our communities, and our world. We are dedicated to enhancing public health through technology-assisted medical scientific research and education. In an era where people are increasingly seeking health betterment and alternative solutions, our new infrastructure of data collection and analysis supports scaled direct-to-consumer research and development for alternative medicines. Our focus includes cannabinoids, microbiome interventions, supplements and nutraceuticals, natural and synthetic psychedelics, nutrition and “food as medicines,” and digital health solutions. Our research platform, Chloe, engages individual participants in the clinical research process through active and passive data collection on their personal devices. This empowers individuals to find answers to the question, “Which alternative medicines work best for me?” while also making scaled clinical evidence generation easier and more affordable for consumer brands, manufacturers, biotech and biopharma, and academic researchers. At People Science, we believe in democratizing science and knowledge, giving more people the opportunity to ask questions and have their voices heard. We aim to empower individuals with the tools of science and medicine so they can seek answers for themselves and make informed decisions about their health and well-being. Science is a powerful tool, and we’re here to help determine the effectiveness of alternative medicines, bridging the gap of evidence needed for the delivery of Wellness and Prevention in our current healthcare system.
Project PROTECTS
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.
- Participate in health research
- Understand infection effects
- Smartphone required
- US-based eligibility
- Contribute to scientific understanding
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Project PROTECTS is inviting 6,000 adults across the United States to help researchers better understand the short- and long-term effects of respiratory infections. Project PROTECTS is a collaboration between researchers at the City University of New York (CUNY) Institute for Implementation Science in Population Health (ISPH) and Pfizer. You are eligible to participate in Project PROTECTS if you: - Are 18 years or older - Live in a US state, DC, or Puerto Rico - Have a personal smartphone with a working camera - Have a personal email address - Have internet access If you have any questions, comments, or concerns about the research, you can contact a study coordinator at: ProjectProtects@sph.cuny.edu
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Chloe by People Science | Project PROTECTS |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (20 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 50.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 20 — better | 3 |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 80 MB | 80 MB |
| Age rating | 17+ | 17+ |
| Developer | People Science, Inc. | Vibrent Health, Inc. |
Customer experience
Chloe by People Science
Project PROTECTS
In-app purchases
Chloe by People Science
No in-app purchases
Project PROTECTS
No in-app purchases
Questions
Is Chloe by People Science free?
Is Project PROTECTS free?
Which has better reviews, Chloe by People Science or Project PROTECTS?
Do Chloe by People Science or Project PROTECTS have ads?
Which is updated more often, Chloe by People Science or Project PROTECTS?
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