Stackr vs Stacker

Stackr is the all-in-one tracker for your peptide and GLP-1 protocol. Every dose, vial and meal in one place, with the math done for you. KEY FEATURES • Dose tracking and reminders Log a dose in seconds from your Home screen. Run daily, weekly, every-few-days or specific-day schedules, and several protocols at once. Reminders make sure you never miss a dose, and Home Screen widgets show what's next. • Dose calculator Enter your vial strength, water and dose, and see exactly how many units to draw on a U-100 or U-40 syringe. Works in mcg, mg, IU and units. • Supplies and vials Track vials, pens and other supplies. Stackr counts down what's left every time you log and warns you before you run out. • Progress Keep your weight, progress photos and dose history together, with a calendar of taken and missed doses and estimated active levels from your logs. • Food and calories Snap a meal, scan a barcode, search a food or just say what you ate. Stackr tracks calories and protein against your daily plan. • Stackr Coach Ask the AI coach questions about your routine and your meals, any time. • Learn Reference pages for semaglutide, tirzepatide, retatrutide, BPC-157, TB-500, GHK-Cu and 100+ more, with research status and sources. WHY STACKR • Built for GLP-1s and peptides, from one weekly shot to a full stack • Pounds or kilograms, mcg or mg, U-100 or U-40 • Syncs across your devices when you sign in • Message the team directly from Settings Stackr is a personal tracking and educational app. It does not give medical advice, prescribe treatments or tell you which peptide, dose or schedule is right for you. Always talk to a qualified healthcare professional. Active levels and photo-based nutrition values are estimates. SUBSCRIPTION Stackr is free to download. Full access requires a paid Stackr+ subscription. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getstackr.app/privacy

Stacker is the peptide stack tracker. It's built to help you find the right stack for your goals, stay consistent, and track whether it's actually working. Most peptide apps stop at "remind me." Stacker takes you from goal → stack → results. BUILD YOUR PERSONALIZED STACK Tell us your goals — fat loss, muscle, recovery, skin, longevity, sleep — and Stacker recommends a named stack (LEAN, GLOW, Wolverine, KLOW) or the individual peptides that fit. Every stack comes with a clear schedule you can adjust. CURATED STACKS Browse popular stacks with clear overviews, timelines, and difficulty levels — so you understand GLP-3, BPC-157, TB-500, retatrutide, tesamorelin and more, not just their names. TRACK YOUR ROUTINE & PROGRESS Log each dose you take in a tap, keep your streak, and watch your "Day X of N" protocol progress. Capture progress photos to see changes over time, and run check-ins on the metrics that matter for your goal. SCHEDULES & SMART REMINDERS Daily, weekly, or custom — Stacker builds your schedule, anchors it to your real start date, and sends reminders so you never miss a log. Evening catch-up nudges keep you honest. PEPTIDE LIBRARY A growing catalog with mechanisms, research status, cycle lengths, common stacks, storage tips, and what to watch for — so you go from research to a routine in one place. AI PEPTIDE ASSISTANT Ask anything and get instant, informational summaries of peptides, stacks, and your schedule. (Stacker Pro) BUY WITH MEMBER PRICING Order products through partner checkout, with member pricing on partnered products. (Stacker Pro) PRIVATE BY DEFAULT Your stacks, metrics, and photos are yours. We don't sell your data, and you can delete your account anytime. Stacker Pro Unlock progress photos, the AI peptide assistant, unlimited tracking, member pricing, and research & news. Stacker Pro is an auto-renewing annual subscription with a 3-day free trial. Payment is charged to your Apple Account after the trial; auto-renews until canceled. Manage or cancel anytime in Settings. Terms: https://usestacker.app/terms Privacy: https://usestacker.app/privacy Stacker is for educational and informational purposes only and is not medical advice. Stacker does not provide dosing advice — log the dose from your product directions or healthcare provider. Always consult a qualified healthcare provider before starting any peptide protocol.