OptiPin is the all-in-one tracker for TRT, peptides, and GLP-1 therapy. Visualize how your doses, bloodwork, and symptoms trend together over time. Start free: track your first compound completely free - no time limit, no credit card. Built-in reconstitution & unit calculator: enter vial size, diluent volume, and target dose to get your syringe units instantly - or work backwards from units to diluent. No math, no guesswork. Why OptiPin? - Reconstitution & unit calculator - instant syringe units for any peptide, plus one-tap blends like Wolverine, GLOW, and KLOW - Smart scheduling - daily, weekly, or fully custom injection plans, with titration and cycle-off support - Discreet reminders - never miss a dose, with one-tap quick logging - Injection site rotation - a customizable auto-advancing site map so you rotate properly - Track 200+ compounds - peptides, hormones, bloodwork, symptoms, plus your own custom medications and trackers - Estimated levels - modeled concentration for Testosterone, DHT, E2, and GLP-1s, plus 40+ more compounds - Bloodwork in one place - snap a photo, enter labs by hand or auto-import from Apple Health and chart them against your dose timeline - Inventory, discard dates & low-stock alerts - never run out mid-protocol or use a vial past its window, and see your true cost per dose - Privacy-first - no account, data stays on your device, optional encrypted iCloud backup and CSV export Built for: - GLP-1 & weight loss - Mounjaro, Zepbound, Wegovy, Ozempic, tirzepatide, semaglutide, retatrutide - Peptide stacks - BPC-157, TB-500, Ipamorelin, AOD9604, MOTS-C, plus blends including GLOW, Wolverine, and KLOW - TRT & hormone optimization - testosterone protocols with DHT and full bloodwork - Performance & cycling - track multiple medications and supplements, including custom entries you add yourself OptiPin was built out of a personal need for a smarter, unified way to manage TRT and peptide therapy - tracking injection sites, staying on top of schedules, managing multiple compounds, and keeping symptoms and lab markers in one place instead of juggling notes, spreadsheets, and reminders. It keeps growing alongside a community chasing the same thing: clarity and consistency in how they track their protocols. Disclaimer: OptiPin is for informational use only and does not offer medical advice. Always consult a qualified healthcare provider before beginning or modifying any peptide, hormone, or TRT protocol. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/