Peptide tracking for iPhone

Use Peptides
Responsibly.

Daymarkr helps you scan vials, plan doses, browse research, compare community protocols, track health signals, and check vendors.

iOS App Store soon

The basics, but sharper.

Simple screens for the things you actually use.

See your next dose, scan a vial, and log what you took.

Keep active protocols, planned starts, and cycle status in one list.

Browse peptide research and save papers for later reading.

Compare shared protocols from users tracking real routines.

Track labs, symptoms, body metrics, and Apple Health trends beside your dose history.

Save source notes, batch details, and COA files.