Peptide Connexion vs Peptide Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Peptide Connexion
This platform simplifies complex peptide and longevity research with plain-English summaries and curated news. Explore topics like metabolic health, anti-aging, and performance compounds. Features include compound comparison and bookmarking for easy research access.
- Plain-English research summaries
- Curated peptide and medical news
- Compound comparison tools
- Save and bookmark research
- Educational wellness interface
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Peptide Connexion is a modern peptide and longevity research discovery platform designed to simplify complex medical and scientific information. Explore: • GLP-1 and metabolic research • Longevity and anti-aging studies • Recovery and performance compounds • Peptide education and summaries • Curated research news from trusted scientific sources Features: • Plain-English research summaries • Latest peptide and medical news • Compound comparison tools • Save and bookmark research • Educational wellness-focused interface • Clean modern experience designed for discovery Peptide Connexion is intended for educational and informational purposes only and does not provide medical advice, diagnosis, or treatment recommendations.
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.
Screenshots
Verdict
The clearest difference is ratings volume: Peptide Tracker at 4 against Peptide Connexion's 1. Peptide Tracker also leads on iOS requirement (15.1 vs 18.6). On price, rating, review sentiment and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Peptide Connexion against 5.0 for Peptide Tracker. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Peptide Connexion ships an update every 8 days, Peptide Tracker every 10 days. The most recent releases landed on July 5, 2026 and September 10, 2026 respectively.
| Parameter | Peptide Connexion | Peptide Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 8 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 11 MB | 42 MB |
| Age rating | 17+ | 17+ |
| Developer | Timothy McCoy | Christian Pa'u |
Customer experience
Peptide Connexion
Peptide Tracker
In-app purchases
Peptide Connexion
No in-app purchases
Peptide Tracker
No in-app purchases





