Medical disclaimer

A record-keeping tool,
not a doctor.

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No medical advice

The app does not recommend doses, substances or regimens — nowhere, in any form.

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Not a medical device

It cannot diagnose, treat or prevent any disease.

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The calculator is arithmetic

It only converts the values you enter. Every input is yours.

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The library is reference

Information on peptides with no intake recommendations and no promises of effect.

Important: make every decision about taking substances, doses and regimens only after consulting a qualified doctor. In an emergency, contact emergency services immediately.

Frequently asked questions

Does PeptCycle recommend doses?

No. The app has no recommended doses anywhere — not in the calculator, not in the library, not in the templates. Every value is entered by you, and the calculator only converts it mathematically (ml and syringe units).

Where is my data stored?

Locally, on your iPhone. There is no account, no server, and nobody but you has access to your records. You can export them as CSV at any time.

Is the app free?

Core tracking is free: up to 2 active protocols, calendar, reminders, weight and the calculator. Premium (€4.99/month, €29.99/year or €69.99 one-off, with a 7-day free trial) unlocks unlimited protocols, the PDF report, insights and every widget. Nothing safety-relevant is locked.

When will it be on the App Store?

The app is in the final stage of preparation. Watch this page — the download link will appear here first.

Is it iPhone only?

Yes, PeptCycle is currently an iOS app (iPhone) with home screen and lock screen widgets. An Apple Watch version is being considered after launch.

What does the Apple Health connection do?

Optional: the app can read weight, activity, sleep and resting heart rate from Apple Health, and write back the weight you enter. You grant access explicitly and can revoke it at any time — manual entry always works. Health data is never used for advertising.