Peptrack AI vs Stackr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Peptrack AI
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Peptrack Smart, simple, and secure tracking Peptrack is an all-in-one app designed to help you track, organize, and analyze your personal health and wellness data. Keep everything in one place and gain powerful insights with an intuitive and private experience. Key Features • Inventory & organization — Manage your products and stock • Injection tracking — Interactive body map with rotation tracking • Side effects tracking — Log symptoms and identify patterns • Hydration & nutrition — Track macros and personalized goals • AI meal scanner — Automatically analyze your meals • All-in-one dashboard — View all your data in one place • Progress tracking — Weight, photos, mood, energy, sleep • Sleep tracking — Monitor trends and quality • Bloodwork tracking — Track lab results over time • AI assistant — Ask educational questions • Smart insights — Discover correlations across your data • Export reports — Generate detailed PDF reports • Private & secure — Encrypted data with biometric lock Integrations • Apple Health (steps, activity, workouts) Disclaimer Peptrack does not provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional. Subscription Peptrack Premium includes: • Full access to advanced features • 3-day free trial Auto-renewable subscription. Cancel anytime via Apple settings. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Stackr
This app simplifies tracking peptide and GLP-1 doses, including supplies like vials and pens. It offers smart reminders, home screen widgets, and visual charts of estimated active levels based on half-life. Designed for users managing peptide protocols, it keeps your dosing information organized and accessible.
- Log peptide and GLP-1 doses
- Track vials, pens, and other supplies
- Smart reminders for next doses
- Home screen widgets
- Estimated active level charts
- Multi-peptide stack tracking
- Reference pages for common compounds
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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
Screenshots
Verdict
The clearest difference is iOS requirement: Peptrack AI at 15.1 against Stackr's 17.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Peptrack AI sells 2 in-app purchases, starting at $9.99 per month and Stackr sells 7 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Peptrack AI | Stackr |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (143 ratings) — better |
| Positive reviews | — | 72.0% of reviews |
| Number of ratings | — | 143 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 61 MB | 88 MB |
| Age rating | 4+ | 12+ |
| Developer | Lucas Higashiuchi | Stackr Holdings LLC |
In-app purchases
Peptrack AI
- Monthly subscription$9.991 Month
- Yearly subscription$44.991 Year
Stackr
- Stackr+ Weekly$7.997 Days
- Monthly$12.991 Month
- Stackr+ Yearly$29.991 Year
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- Stackr+ Yearly$49.991 Year
- Stackr+ Yearly3 Days trial$49.991 Year
- Stackr+ Yearly$59.991 Year
- Yearly3 Days trial$69.991 Year









