Data ownership · Research opt-in
Get paid for the health data you already generate.
Learn how voluntary health-data reward programs work, what Carthalis offers today — wellness tools plus optional research participation — and how you stay in control of what you share.
By Aziz Mezlini, PhD · Founder & Scientist, Carthalis · Updated 2026-05-25
Wellness education, not diagnosis · Research participation is voluntary
How health-data programs work
Getting paid for health data refers to voluntary, opt-in programs where people may receive incentives when they choose to share wellness information for approved uses. Most apps and health systems still use your data without sharing value back; reward programs flip that model when you explicitly consent. If you searched for how to get paid for sharing health data, or wondered can you get paid for health data through a health data rewards program, Carthalis keeps participation voluntary — wellness coaching first, with research invites when programs are available.
Traditional data use
- Fitness apps and wearables may use your metrics to improve products or sell aggregated insights — often without sharing value back to you.
- Healthcare systems may use records for research that creates commercial value while you receive no compensation for contributing.
- Consent is buried in terms of service — not a clear, per-program choice.
Voluntary reward programs
- You opt in to each program with explicit consent before any wellness data is shared.
- Incentives may include research participation rewards or platform points — not guaranteed cash payouts.
- You can review what is shared, revoke access when programs allow, and keep building your wellness picture on your terms.
What Carthalis offers today
Carthalis is a personal health companion — Twin wellness scores, daily coaching, and optional research participation when programs invite you. The Health AI Marketplace and token rewards remain on a waitlist roadmap; points are platform rewards, not guaranteed cash payouts.
Create a free account
Start with chat, an upload, or a quick survey — wearables optional. Explore Twin wellness scores and daily coaching when you are ready.
Complete your profile and opt into research
Add fitness observations, validated wellness surveys, and lifestyle logs you choose to share. Research participation is voluntary — review terms before opting in.
Earn points when programs invite you
Platform points may accrue for profile completion, research participation when invited, and other opt-in contributions. Points are platform rewards — not guaranteed cash. The Health AI Marketplace and token conversion remain on a waitlist roadmap.
Your data, your choice
Carthalis puts wellness coaching first — research participation and health-data reward programs are optional paths you choose when invited, not a surprise data broker.
You own your data
Your wellness picture stays under your control. You decide what to add, when to add it, and what to share for each program.
Consent is explicit
Research participation and health-data reward programs require opt-in. Review program terms before sharing anything beyond your personal companion experience.
Revoke when programs allow
You can withdraw from research programs and adjust sharing settings when the program supports it — transparency is part of the design.
Wellness education, not diagnosis
Carthalis helps you understand patterns and plan next steps. It is not a medical device and is not for emergencies.
- Wellness education, not diagnosis.
- Not for emergencies — call your local emergency line.
- Carthalis is not a medical device.
- Research participation is voluntary, transparent, and reversible.
- Your data, your choice — you decide what to share.
Eligibility and onboarding
On Carthalis, you choose exactly what data to contribute for each program — opt-in sharing is required before wellness information leaves your companion account for research or health data compensation purposes. Eligibility varies by program; this is not a sell health data app — participation stays invite-based and consent-based.
| Data type | Examples | Consent |
|---|---|---|
| Fitness observations | Logged lifts, workouts, body measurements | Opt-in per program |
| Validated wellness surveys | PSS, GAD, PHQ, sleep and lifestyle assessments on Pulse | Opt-in per program |
| Lifestyle logs | Nutrition, habits, recovery notes you choose to log | Opt-in per program |
| Optional wearables | Apple Health, Health Connect, or linked devices when ready | Opt-in per program; never required to start |
Get involved
Create a free account to use wellness tools, Twin scores, and daily coaching — then opt into research and health-data programs when invited. Sharing health data for rewards stays voluntary and consent-based.
Create a free account to get your personalized version of these tools and follow them over time.
Common questions
Get started with Carthalis
Start with wellness tools — opt into rewards when invited
Read how voluntary health-data programs work, then create a free account to explore Twin scores and coaching — research participation stays opt-in.
Create a free account to get your personalized version of these tools and follow them over time.
- Wellness education, not diagnosis.
- Not for emergencies — call your local emergency line.
- Carthalis is not a medical device.
- Research participation is voluntary, transparent, and reversible.
- Your data, your choice — you decide what to share.