Cordaya

A kind heart for the health data already on your phone.

Cordaya brings your sleep, recovery, activity and workouts from Health Connect, plus your Ultrahuman ring, into one private dashboard for Android. No account, no server.

Android 14 and newer. Coming to Google Play.

The 30-second tour

Captioned, with no sound. Every screen shows example data.

Read the captions
  1. Your health data, in one place. Sleep, recovery, activity and workouts from Health Connect and Ultrahuman.
  2. Every day, three rings. Sleep, HRV and steps, outside in.
  3. Your scores, first thing. Sleep, Recovery and Movement, as Ultrahuman gives them.
  4. Tap a score for the full page. A photo hero, then that section's details.
  5. The whole night, stage by stage. Awake, REM, light and deep as one flowing graph.
  6. Steps against your goal. Seven or thirty days, next to your own median.
  7. A month of training. Workout days, time per activity, and every session on one screen.
  8. Compared with your own median. A ring for every day, and trends for each metric.
  9. Stays on your phone. No account, no server. Days without data stay empty.

One place for everything

Works with anything that writes to Health Connect, plus Ultrahuman.

FitbitFitbit AirSamsung HealthGarminOuraWithingsMi FitnessUltrahuman

With any tracker on Health Connect

Whatever your tracker records: sleep and its stages, heart rate, HRV, steps, distance, calories and workouts. The day rail, calendar and trends are built from these.

Also with an Ultrahuman ring

Ultrahuman's Sleep, Recovery and Movement scores on Home, each with its own score page. You connect them with your own Ultrahuman token.

Health Connect carries measurements, not other apps' scores. Fitbit's Sleep Score and Readiness, for example, stay in the Fitbit app.

What it shows

Six views of the data your devices already record. Each one keeps its own colour.

Home

Your week at a glance.

Each day is three nested rings: sleep, HRV and steps. With an Ultrahuman ring, its Sleep, Recovery and Movement scores sit below them. A day with no records is left empty.

Ultrahuman scores

Tap a score for the full page.

A photo hero with the gauge, then that section's details: total sleep, time in bed, restorative share, full cycles.

Sleep

The night as one flowing graph.

Awake, REM, light and deep as a single line moving between stages, with the time spent in each.

Activity

Steps, distance and calories against your goal.

Seven or thirty days at a time, compared with your own median. Show any chart as a table.

Workouts

A month of training, on one screen.

A heat map of workout days, time per activity type, and minutes per day or week over 7, 30 or 90 days.

Calendar and trends

Compared with your own recent median.

A ring on every day of the month for any metric. Trends compare each day with your own recent median, and missing days stay missing.

Three promises

What Cordaya does with your data, your numbers and your money.

Private

It stays on your phone.

  • No accountNo sign-in, so it never sees your Google account.
  • Only what you allowYou pick each data type in Health Connect's permissions.
  • Nothing sentNo servers and no analytics. Ultrahuman only with your own token.

Check it: without a token, Cordaya's app info shows zero data used. Read the privacy policy

Honest

Numbers as measured.

  • Gaps stay gapsA missing night shows as missing, not zero.
  • Counted onceTwo devices, one source per measurement.
  • Scores as givenVendor scores as the vendor gives them.

Not medical advice. Cordaya shows what your devices measured and doesn't diagnose.

Fair

Pay once, if at all.

  • Mostly freeThe core dashboard costs nothing.
  • Small one‑time ProSupports development. No monthly or yearly plan.
  • Free for beta testersA one‑time code when Pro launches.

No subscription, no ads, no account.

Join the beta

The closed beta runs on Google Play. Join the beta group with the Google account on your phone, and we'll post the invite link there when testing opens.

Join the beta group Email hello@cordaya.app Google runs the group, so you need a Google account. We see the email address and name you join with, nothing else. How we handle it

Questions

Is it on Google Play?

Not yet. A closed beta on Google Play starts soon. Join the beta group to get the invite link.

Does it work with my tracker?

If your tracker's app syncs to Health Connect, yes. You get whatever it records there, like sleep, heart rate, steps and workouts. The Sleep, Recovery and Movement scores need an Ultrahuman ring.

Why don't I see my Fitbit Sleep Score or Readiness?

Health Connect carries measurements, not other apps' scores, so those stay in the Fitbit app. Cordaya shows the measurements themselves, like sleep stages, heart rate and HRV, when your tracker shares them.

Which phones does it work on?

Phones on Android 14 or newer, which have Health Connect built in.

Is my data uploaded anywhere?

No. It stays on your phone. The only exception is Ultrahuman, and only if you connect it: the app then asks Ultrahuman's API for your scores.

Can it see my Google account?

No. There's no sign-in, and Health Connect only shares the data types you allow.

Is there an iPhone version?

No, Cordaya is Android only.

Is it a medical app?

No. It shows what your devices measured and doesn't diagnose or give medical advice.

What does it cost?

Most of Cordaya is free. Pro will be a small one-time price that supports development: you pay once, with no monthly or yearly plan, no ads and no account. Beta testers get Pro free, with a one-time unlock code when Pro launches.