Dosi vs PepTracker: Structured protocols and GLP-1 dose log Alternative in 2026
PepTracker is a popular iOS-only peptide tracking app with a strong focus on structured protocols, weight tracking, and simple dose logs for GLP-1 medications. While it provides excellent schedule reminders, it operates as a single-device app with a smaller pre-loaded compound database. Dosi offers a massive library of 180+ compounds, real-time pharmacokinetic blood concentration modeling, and a cross-platform Supabase cloud sync.
| Feature | Dosi | PepTracker |
|---|---|---|
| Compound database | 180+ compounds, peptide + GLP-1 + TRT + nootropic | Custom entry with a smaller pre-loaded peptide list |
| GLP-1 tracking | Yes, native | Yes, focus on titration logs |
| TRT & Hormones | Yes, full ester & compound depth | Limited custom entries |
| Half-life calc & PK modeling | Yes, real-time blood level curves | Simple schedule logging only |
| Reconstitution calc | Yes, free | Yes, simple unit conversion |
| Body-map injection rotation | Yes | Simple drop-down list |
| AI Insights | AskDosi in-app conversational assistant | No |
| Cloud sync | Supabase cross-device sync (iOS + Web) | Local device only (manual iCloud) |
| Price | $9.99/mo or $49.99/yr ($39.99/yr web) | $5.99/mo or $29.99/yr |
When to choose Dosi
Choose Dosi if you want the largest compound library, a conversational AI assistant that answers protocol questions inside the app, and a web dashboard you can use from any browser. Dosi also covers GLP-1 and TRT in the same app, not as side-features.
When to choose PepTracker
Choose PepTracker if you prefer a simpler iOS-only app focused primarily on weight logs and schedule reminders without the clinical depth of pharmacokinetic modeling.
Try Dosi free
180+ compound database, body-map injection rotation, reconstitution math, and the AskDosi assistant. Free to start.
Start Tracking Free →Educational use only. Feature facts verified April 2026 from each vendor's public site and app listing. Pricing and features may change. This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider.