DoseRhythm vs PepStack

DoseRhythm: Your Personal Bio-Protocol Companion Take control of your health protocols with DoseRhythm, the all-in-one dosing tracker built for the research compound community. Whether you're managing peptides, hormones (HRT), nootropics, or supplements, DoseRhythm keeps everything organized, on schedule, and completely FREE and completely private. TRACK YOUR PROTOCOLS Create detailed dosing protocols with compound names, dosages, administration routes, and custom cycling schedules. Log each dose with a single tap and see your daily progress at a glance. SMART DOSE CALCULATOR Never second-guess your math again. Built-in calculators handle reconstitution volumes and syringe dosing so you get accurate measurements every time. 200+ COMPOUND KNOWLEDGE BASE Browse the PeptideArc directory — over 200 research compounds across 7 categories including peptides, SARMs, SERMs, hormones & TRT, nootropics, longevity agents, and supplements. Each profile includes mechanisms, dosing guidelines, and research references. INSIGHTS & ADHERENCE Track your 30-day adherence rate, maintain dosing streaks, and review your protocol history. DoseRhythm helps you stay consistent and see the big picture. CYCLING SUPPORT Set up on/off cycling schedules for compounds that require them. DoseRhythm tracks where you are in each cycle automatically. YOUR DATA STAYS YOURS DoseRhythm is offline-first. All your health data is stored locally on your device — nothing is uploaded, shared, or tracked. No account required, no cloud sync, no compromises on privacy. Built by PeptideArc — the trusted resource for research compound education. Disclaimer: DoseRhythm is for informational and educational purposes only. It is not intended to provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before starting, changing, or stopping any medication or health protocol. Do not make medical decisions based solely on this app.

PepStack is a reconstitution and dosing-math calculator and protocol scheduler for peptide researchers. CALCULATE WITH CONFIDENCE • Exact BAC-water volume, concentration, syringe units, and doses-per-vial • Supports U-100 / U-50 / U-40 / U-30 insulin syringes • Step-by-step reconstitution guide PLAN YOUR PROTOCOL • Build a weekly schedule and sync dose reminders • Log doses, track streaks, rotate injection sites • Reference library of common research peptides STAY ORGANIZED • Vial inventory with expiry and low-stock alerts • Optional Apple Health sync for weight & body-fat trends • Wellness journal and progress insights PepStack is an educational calculator. It is not medical advice and does not sell or supply any substance. Always consult a qualified professional. PepStack Pro is an auto-renewable subscription (monthly or annual). Payment is charged to your Apple ID; it auto-renews unless canceled at least 24 hours before the period ends. Manage or cancel in Settings. Pro unlocks unlimited protocols, dose logging, AI insights, and PDF export. Terms of Use (EULA): https://pepstack.co/terms Privacy Policy: https://pepstack.co/privacy