Today
Log your dose in one tap
Mark a dose as taken, see when it's okay to eat or have coffee, and do a quick symptom check in. The whole thing takes under 20 seconds.
See how your labs, doses and symptoms connect.
A private thyroid tracker for iPhone. Log in seconds, watch your trends over time, and bring a clear summary to your doctor.
Coming soon on the App Store
Your data stays on your phone. No account needed.
- Your lab's range
- Dose change
- Example data
Seconds to log. Months to look back on.
Labs
Every result on one chart
Add TSH, Free T4, Free T3, antibodies and more. Each result is shown against the reference range from your own lab, with a marker wherever your dose changed.
Meds
Your doses and schedule in plain language
Keep each medication with its dose, days and time. Get a gentle reminder when a dose is due, and keep a dated history of every change.
Report
Walk into your appointment prepared
Create a clean PDF summary of your labs, doses and symptoms to print, email or show on your phone. The report is part of thyro Premium.
Your health data is yours.
thyro.health was built so that we never hold your records. Everything you log lives on your own phone.
Read the privacy policyStored on your iPhone only
Your records stay on your phone unless you choose to export them.
No account, no sign in
Open the app and start logging. There is nothing to register.
No analytics, no ads, no tracking
We never see what you log, and the app has no ad or analytics tools inside it.
Optional Face ID lock
Keep your records behind Face ID or your passcode.
Set up for your condition.
Pick your condition when you start, and thyro prepares the labs, medications and symptoms to track. You can change any of them later in Settings.
Not sure which applies to you? There's an option for that too.
- Hypothyroidism
- Hashimoto's
- Graves' disease
- After thyroidectomy
Questions people ask
Is thyro.health medical advice?
No. thyro.health helps you record and organize your health information. It does not give medical advice, and it never tells you whether a result is good or bad. Always talk to your doctor before changing your treatment.
Where is my data stored?
On your iPhone only. Nothing you log is sent to us or to anyone else.
Do I need to create an account?
No. Open the app and start logging.
Is it free?
Yes. Logging labs, medications and symptoms is free and unlimited, along with charts for the last 6 months, reminders, backups and the Face ID lock. thyro Premium adds the doctor report, full chart history, the % through range view and CSV export. Prices are shown in the app before you buy.
Can I share my records with my doctor?
Yes. With thyro Premium, the Report tab creates a PDF you can print, email or show on your phone.
What happens to my data if I change phones?
Your records are included in your iPhone's own backups, so they move with you when you set up a new iPhone from a backup. You can also export a backup file from Settings and import it on the new phone.
How do I cancel Premium?
Subscriptions are managed by Apple. Open Settings on your iPhone, tap your name, then tap Subscriptions.
Is there an Android version?
Not right now. thyro.health is available for iPhone on iOS 17 and later.
How do I get help?
Email us at support@thyro.health.
Start with your latest blood test.
Add your most recent results, then build your history from there.