PepLedger
PeptideCalculator.fit
PeptideCalculator.site
PeptideDose.io
Peptide Tracker
BioStacks
Medisafe Pill & Med Reminder
Oligo
startbase.dev
PepLedger – Peptide Tracker is a private iPhone app for people who already run a peptide, GLP-1, TRT, or longevity protocol and want the log on the phone, not in a sheet.
You log a dose. If that compound has a published half-life on file, What's Active Now shows an estimate of what is still left. Metabolism varies. It is not a blood test.
The library lists 456+ compounds as reference data. Browse is free. PepLedger does not sell peptides. A reconstitution calculator runs on the device. Inventory, site rotation, labs, and a discreet mode are included. iOS 18+, iPhone and iPad. No Android app.
Free dose and health log. 7-day Pro trial, then $6.99/mo or $49.99/yr. The paywall can be closed. Not a medical device. Not medical advice.
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PepLedger
startbase.devPeptideCalculator.fit - Free peptide calculator for concentration, dose volume, U-100 syringe units, and reverse unit-to-mcg checks. Transparent formulas and instant results.
PeptideCalculator.site - Free peptide calculator for dosage and reconstitution. Calculate peptide dilution, syringe units and dosing instantly.
PeptideDose.io - Free, accurate peptide reconstitution and dosage calculator. Educational reference for tirzepatide, semaglutide, BPC-157, TB-500, and 50+ peptides.
Peptide Tracker - Track treatments, schedule doses, model half-life curves, and monitor health markers. Private by default. 60,000+ downloads.
BioStacks - Supplement tracker and scanner app — track your supplements, build your stack, and get clarity on safety and optimization.
Medisafe Pill & Med Reminder - Medisafe Pill & Med Reminder is one of the leading applications that is facilitating pharmacists, patients, and physicians around the globe.