Beta Now Open

Track TRT the smart way

Log injections in seconds. See your estimated serum levels with pharmacokinetic simulation. Correlate symptoms with your protocol.

Join iOS Beta (TestFlight)
Seeing "Invite Code Required"?
Install the TestFlight app first, then tap the iOS button again in Safari (not Chrome).
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Pharmacokinetic Simulation

See your estimated testosterone levels over time based on your ester, dose, and injection frequency. Real science, not guesswork.

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1-Tap Injection Logging

Log your injection in under 3 seconds. Pre-filled from your protocol, just tap and done.

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Symptom Tracking

Track energy, libido, mood, sleep, and more. See how your symptoms correlate with your levels.

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100% Private

All data stays on your device. No accounts, no cloud sync, no selling your health data.