Cicada Ethos · The Contributor App

Cicada
Ethos.

Connect your health devices, join the studies you believe in, and get paid every month for the data you choose to share.

Download on theApp Store
Get it onGoogle Play
See how it works
Free to downloadNo minimumsWithdraw any time
10:06
Home
!1 pending survey — tap to respond
Good evening,
John Doe
250
credits
ConnectedSynced 46 seconds ago
24h
7d
30d
90d
Health Metrics
Steps
steps
5975
Coverage: 100%
Heart Rate
bpm
0
Coverage: 100%
Health Insights
Keep sharing data to unlock personalized health insights.
Available OpportunitiesSee All
Home
Marketplace
Sharing
Profile
01 · Connect

Pair every device once.

The first time you open the app, you link your health data sources. After that it's automatic: your daily heart rate, sleep, breathing, and activity sync in the background.

  • Apple Health, Google Fit, Samsung Health
  • Fitbit, Garmin, Oura, Whoop, Withings
  • Cicada Sense bedside device
  • Background sync, no app to keep open
02 · Discover

Find studies that fit your data.

Browse open studies that match what your devices already track. Filter by topic, sponsor, reward amount, or commitment length. Get an invite code from a researcher? Tap once to join a private cohort.

  • Search, sort, and filter by what matters
  • Private studies via invite code
  • See sponsor, duration, and reward up front
Open · FeaturedCardio

Heart rate variability & recovery

Stanford Cardiology · 8 weeks
HRHRVSleep+2 more
OpenSleep

Sleep patterns and longevity

Aging Lab · 12 weeks
OpenParkinson's

Movement tracking trial

Johns Hopkins · 24 weeks
03 · Apply

Check eligibility, then apply in one tap.

When you open a study, Cicada checks its requirements against your connected data. If you qualify, sign the disclosure agreement and you're in. If you don't, you'll see exactly which requirements you're missing.

  • Live eligibility match against your data
  • Plain-language disclosure agreement
  • See the payout before you apply

Sleep patterns & longevity

12 WEEK STUDY · $8.50/MO
  • Sleep tracking enabled
  • Heart rate monitoring
  • Movement / activity data
  • Age 65+ (you're 42)
04 · Track

Every active study in one view.

The Sharing page is your dashboard. See every study you've joined, what data is flowing, and where you stand on completion. Pending applications, active sessions, and finished studies all appear together.

  • Live completion percentage per study
  • Pending applications counter
  • Sharing status flag per data type
Heart rate variability
78%
Week 6 of 8$14.00/mo
Sleep patterns & longevity
42%
Week 5 of 12$8.50/mo
Movement tracking trial
12%
Week 3 of 24$6.00/mo
05 · Earn

Get paid every month.

Every month your contributions are tallied and paid out. See how each study adds to your total, and withdraw any time with no minimums.

  • Monthly payouts, transparent breakdown
  • No minimum balance to withdraw
  • Withdraw to bank or wallet of your choice
Example month · earned
$0.00
November 2026 · paid Dec 1
Heart rate variability+$14.00
Sleep patterns & longevity+$8.50
Movement tracking trial+$6.00
06 · Control

You decide what's shared.

You control consent at every level: toggle which data types are shared, approve each research project individually, and withdraw from any study in a single tap. Your identity is stripped before any researcher sees the data.

  • Per-metric sharing toggles
  • Approve each research project individually
  • Withdraw in one tap, no questions asked
  • Identity stripped before any access

Data sharing

3 ACTIVE · TAP TO ADJUST
Heart rate
Sleep & movement
Respiration
Location data
Demographics
Get started

Download the app and start sharing on your terms.

Free, no commitment. You only share what you choose, you keep what you earn, and you can walk away any time.

Download on theApp Store
Get it onGoogle Play
Building research instead?See the Research Portal →