The Peptide App vs Prof. Peptide Protocol Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Peptide App
Organize and track your peptide protocols with a comprehensive library, a reconstitution calculator, and personalized dose reminders. Log your adherence, review your dosing history, and create custom protocols tailored to your specific needs.
- Protocol library with dosing schedules
- Reconstitution calculator for bacteriostatic water
- Dose tracking and personalized reminders
- Custom protocol builder
- Activity log for dosing history
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The Peptide App brings peptide research, reconstitution calculations, vial tracking, protocols, and dose reminders together. Every feature is free, with no subscription. Calculate syringe units, organize your routine, and keep your peptide information in one place. No paywall. Every feature unlocked from day one. Reconstitution calculator Enter your vial amount, water volume, and target dose to calculate how many syringe units to draw. Save your vial details for your next dose. Visual guides explain reconstitution and injection sites. Dose logging and reminders Plan daily, weekly, or cyclical schedules. Get dose reminders, then log, reschedule, or skip a dose in a tap. Keep a timeline of your routine without piecing together notes and calendar entries. Custom protocols and stacks Build your own protocol or explore the app's library. Organize multiple peptides with custom phases, frequencies, and titrations, and keep their schedules together. Peptide library and research Explore peptides and stacks by topic or goal. Read about mechanisms, dosing ranges, cycle lengths, and common combinations, with source references available on peptide pages. Keep the information you want to discuss with your healthcare provider close at hand. Progress tracking Record weight, body measurements, sleep, energy, mood, recovery, lab markers, and other metrics that matter to you. Add progress photos and body scans, and review baseline and follow-up check-ins alongside your dose history. See what changed over time without relying on memory. Vendor prices Browse vendor pricing alongside peptide information to compare available options. Private by default Your protocols, metrics, and photos are yours. We don't sell your data, and you can delete your account anytime. Download The Peptide App and start with the calculator, peptide library, or your own protocol. All free. The Peptide App is for educational and informational purposes only and is not medical advice. Always consult a qualified healthcare provider before starting any peptide protocol. By using The Peptide App you consent to the standard App Store End User License Agreement. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Prof. Peptide Protocol Tracker
Track peptide and GLP-1 doses, calculate reconstitutions, and manage complex protocols. Access a compound library, visualize estimated levels, and review research summaries. Your data remains private and on your device.
- Dose logging and reminders
- Reconstitution calculator
- 60+ compound library
- Full protocol and stack support
- Estimated compound levels visualization
- AI research assistant
- Results and trends tracking
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Prof. Peptide — All-in-One Peptide Tracker The all-in-one app for tracking peptides and GLP-1s. Log your doses, calculate reconstitution, run full protocols and stacks, and keep everything organized in one place — no more spreadsheets or scattered notes. Built for researchers, athletes, and anyone managing a serious peptide protocol. FEATURES Dose Logging & Reminders — Log every dose and get reminders so you never miss one. Track daily, weekly, cyclical, and custom schedules. Reconstitution Calculator — Take the guesswork out of the math. Enter vial size, BAC water, and desired dose to get exactly how much to draw. 60+ Compound Library — Peptides, GLP-1s, and supplements, searchable by name or brand (Wegovy, Ozempic, Mounjaro, Zepbound, and more). Blends and stacks included. Full Protocol & Stack Support — Run multiple compounds on their own schedules. Manage on/off cycles with clear timelines. Estimated Levels — Visualize estimated compound levels over time based on published half-life data, so you can see where you are in your dosing window. AI Research Assistant — Ask questions about peptide and supplement research, drawn from the research literature. Not medical or dosing advice. Results & Trends — Track weight, body composition, and other measurements over time with clean charts. Curated Research Hub — Reference summaries and vendor testing transparency, all in one place. Private by Design — Your data stays on your device. Export and import your own backups anytime. Prof. Peptide is for informational and educational purposes only. Nothing in this app constitutes medical advice.
Screenshots
Verdict
The clearest difference is in-app purchases: Prof. Peptide Protocol Tracker at none against The Peptide App's 4. Prof. Peptide Protocol Tracker also leads on rating (5.0 vs 4.7). The Peptide App's advantage is update cadence (every 5 days vs every 3 weeks) and ratings volume (85 vs 3). On price, review sentiment, ads and monetization model 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. The Peptide App sells 4 in-app purchases, starting at $4.99 per month. Prof. Peptide Protocol Tracker asks for nothing beyond the download.
Prof. Peptide Protocol Tracker holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: The Peptide App has 85 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
The Peptide App ships an update every 5 days, Prof. Peptide Protocol Tracker every 3 weeks. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.
| Parameter | The Peptide App | Prof. Peptide Protocol Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (85 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 85 — better | 3 |
| Update frequency | Every 5 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 95 MB | 33 MB |
| Age rating | 17+ | 12+ |
| Developer | The Peptide App LLC | Strength Cycle Studios, LLC |
Customer experience
The Peptide App
Prof. Peptide Protocol Tracker
In-app purchases
The Peptide App
- Monthly Access — Member Rate1 Month trial$4.991 Month
- The Peptide App Monthly Access1 Month trial$9.991 Month
- Yearly Access — Member Rate1 Month trial$34.991 Year
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- Yearly Access1 Month trial$49.991 Year
Prof. Peptide Protocol Tracker
No in-app purchases





