Peptide Tracker vs PepMax AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Peptide Tracker
Log peptide doses, track your progress, and analyze your body's response with this research log. Integrate with health data, manage supplies, and access educational summaries on various peptides. Share insights with a community of users.
- Log peptide doses and schedules
- Track vial supply and reconstitution
- Integrate with Apple Health data
- Analyze bloodwork trends
- Log training and nutrition
- Access peptide reference library
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Stack is a self-tracking research log for adults running peptide protocols. Log every dose, see your schedule at a glance, and understand how your protocol lines up with what your body is actually doing. PROTOCOLS, DONE PROPERLY • Log doses in two taps, with schedules, titration steps, and cycle timelines • Curated Protocol Sheets — ready-made stacks with timelines, cautions, and one-tap clone • Active Supply tracking — see exactly how many mg remain in your vial and when to reconstitute • Reconstitution calculator and vial stability tracking WHERE YOUR PROTOCOL MEETS YOUR DATA • Apple Health integration: activity rings, workouts, heart rate zones, sleep, HRV • Cycle signals — see how recovery metrics trend across your protocol phases • Bloodwork: photograph a lab report and Stack structures every biomarker, with reference ranges and multi-report trend lines THE WHOLE PICTURE • Training log with strength scoring and Apple Watch auto-import • Nutrition tracking with AI meal-photo macro estimates and peptide-aware suggestions • A community feed to share results and templates with people running similar protocols • Full data export — your log is yours, in CSV or JSON A 44-peptide reference library provides plain-English educational summaries of published research, with cautions and interactions. IMPORTANT Stack is a tracking and educational tool for adults 18+. It does not provide medical advice, diagnosis, or treatment, and does not sell or source any compound. Anything you choose to track, you obtain and use at your own risk — always consult a licensed physician before starting, changing, or stopping any protocol.
PepMax AI
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Understand what's actually working. Most peptide apps help you log injections. PepMax AI helps you understand what's actually working. Build personalized AI plans, discover intelligent insights, and track meaningful progress over time. Whether your goal is to glow up, improve your appearance, lose fat, build muscle, support recovery, or optimize your overall wellness, PepMax AI helps you make more informed decisions throughout your journey. [Personalized AI Plans] No two people have the same goals. PepMax AI helps you build personalized plans based on your goals, profile, and progress, helping you better understand which compounds may align with your objectives. • Personalized AI plans • Intelligent insights • Goal-based planning • Progress guidance • Personalized recommendations [Understand Every Recommendation] PepMax AI doesn't just track your progress—it helps you understand it. Understand how your goals, progress, and tracked plans work together so you can make more informed decisions throughout your journey. [Track Real Progress] Measure what matters over time. Track: • Progress photos • Weight • Body measurements • Facial improvements • Plan adherence • Milestones • Progress trends Compatible with plans involving Wegovy®, Ozempic®, Zepbound®, semaglutide, tirzepatide, retatrutide, BPC-157, and 170+ additional peptide compounds. [Explore 170+ Peptides] Browse an extensive peptide library with detailed information to better understand available peptides and organize your plans. Explore compounds by: • Goal • Category • Benefits • Compound • Research focus [Built for Optimization] Whether your focus is: • Fat loss • Muscle growth • Recovery • Healthier skin • Healthy aging • Performance • Appearance optimization PepMax AI helps you stay organized, measure meaningful progress, and understand what's actually working every step of the way. [Why PepMax AI?] Most apps stop at tracking. PepMax AI helps you understand what's actually working. Instead of simply logging information, PepMax AI combines personalized AI plans, intelligent insights, progress tracking, and a comprehensive peptide library into one powerful experience. [Important Notice] PepMax AI is designed for educational and informational purposes only. It does not provide medical advice, diagnose conditions, prescribe treatments, or replace consultation with a qualified healthcare professional. Always consult your healthcare provider before making decisions regarding medications, peptides, supplements, or treatment plans. [Premium Features] Full access to AI protocols, face scan analysis, and progress tracking requires a PepMax Pro subscription. Options: $29.99/year or $4.99/week. Manage or cancel anytime in your Apple ID settings. Terms: https://www.pepmaxai.com/terms Privacy Policy: https://www.pepmaxai.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Peptide Tracker at none against PepMax AI's 2. Peptide Tracker also leads on iOS requirement (15.1 vs 18.0). On price, ads 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. PepMax AI sells 2 in-app purchases, starting at $4.99 per 7 days. Peptide Tracker asks for nothing beyond the download.
| Parameter | Peptide Tracker | PepMax AI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 42 MB | 23 MB |
| Age rating | 17+ | 12+ |
| Developer | Christian Pa'u | ChelsKat LLC |
In-app purchases
Peptide Tracker
No in-app purchases
PepMax AI
- PepMax Pro$4.997 Days
- PepMax Pro$29.991 Year








