PeptideStack vs Loop
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
PeptideStack
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PeptideStack is a private tracker for people running peptides, GLP-1s, supplements, and support stacks who want a clearer read on what is helping. Log protocols, check-ins, side effects, progress notes, and optional Apple Health, Oura, and WHOOP signals. PeptideStack turns the week into a simple proof screen: what changed, what stayed stable, and which inputs are worth watching next. Built for real stack tracking: - Protocol logging for peptides, GLP-1s, supplements, and lifestyle inputs - Daily check-ins for energy, sleep, appetite, mood, recovery, digestion, and side effects - Apple Health sync for sleep, HRV, resting heart rate, steps, weight, workouts, and cycle-related trends when permission is granted - Optional Oura and WHOOP sync for recovery, readiness, activity, and sleep context - Weekly analysis cards that explain correlations without pretending to diagnose - Research and education surfaces for understanding protocols and tracking questions - Private profile controls, AI consent settings, and data export PeptideStack is for adults 18+. It is a tracking, education, and personal analytics tool. PeptideStack is not medical advice, is not a diagnosis or treatment tool, and does not replace a qualified healthcare provider. Always talk with a licensed clinician before starting, stopping, or changing any medication, peptide, GLP-1, supplement, or treatment plan. Terms of Use: https://trypeptidestack.com/terms Privacy Policy: https://trypeptidestack.com/privacy
Loop
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Loop is a private, easy-to-use tracker for your peptide, GLP-1, or TRT injection routine. It keeps your schedule, dose history, reminders, supplies, and injection sites organized in one place - so you can stay consistent without spreadsheets or guesswork. Loop is a personal tracking tool. It does not provide medical advice, dosing recommendations, or any way to obtain medications. Always follow the guidance of a qualified healthcare professional. WHAT YOU CAN DO WITH LOOP ⢠Build your schedule - set up recurring injections and see your whole routine at a glance ⢠Log every dose - keep a clear, private history of what you recorded and when ⢠Stay on time - reminders so you never miss a scheduled dose ⢠Track your supply - know how much you have left and reorder in time ⢠Rotate injection sites - log sites on a body map to keep your rotation organized PRIVATE BY DESIGN Your data is yours. Loop is built around privacy, with secure sign-in and full control over your information, including in-app account deletion. LOOP PRO Loop requires a subscription to use. Choose a monthly or yearly plan; the yearly plan may include an introductory free trial where offered. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. HEALTH DISCLAIMER Loop is designed for personal tracking and educational purposes only. It is not intended to provide medical advice, diagnosis, treatment recommendations, or dosing instructions. Always consult a qualified healthcare provider for any medical decisions or health concerns. All features are for personal record-keeping and educational reference only. Privacy Policy: https://tryloop.health/privacy-policy Terms of Service: https://tryloop.health/terms-of-service Support: hello@tryloop.health
Screenshots
Verdict
The clearest difference is iOS requirement: PeptideStack at 18.0 against Loop's 26.5. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. PeptideStack sells 3 in-app purchases, starting at $14.99 per month and Loop sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | PeptideStack | Loop |
|---|---|---|
| Price | Free | Free |
| Update frequency | ā | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 ā better | 26.5 |
| Further details ā not scored | ||
| Size | 47 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | Roviq LLC | ROK POPOVIC |
In-app purchases
PeptideStack
- PeptideStack Pro Monthly$14.991 Month
- PeptideStack Pro Yearly$99.991 Year
- PeptideStack Pro Lifetime$249.00
Loop
- Loop Pro - Monthly$9.991 Month
- Loop Pro - Yearly Offer$29.991 Year
- Loop Pro - Yearly3 Days trial$39.991 Year









