Peptide Plug vs Pep
Pep is a well-built consumer GLP-1 tracker with food logging, Apple Health sync and ten languages. It is also unusually clear about what it does not do — its own pages state it offers no cost tracking, no reconstitution math, no lab integration and no inventory management. That makes this a clean comparison.
Short version
Pep is the stronger fit if you want a polished multi-language app with food and protein targets and Apple Health sync. Peptide Plug is the stronger fit for every item on Pep's own list of exclusions — cost, reconstitution, labs and inventory — plus clinician-ready export. Pep is free with Pro at about $40/year; Peptide Plug is $4.99/mo or $49.99/yr above a one-cycle free tier.
Feature-by-feature
Based on Pep's published product and pricing pages and this Peptide Plug build, reviewed September 9, 2026.
| Feature | Peptide Plug | Pep |
|---|---|---|
| Platforms | Installable web app for phone, tablet and desktop | Native iPhone, iPad and Android |
| Languages | English | 10 languages |
| Free tier | 1 active cycle, all public calculators, no card | Free with core tracking; Pro optional |
| Published price | $4.99/mo or $49.99/yr | Pro about $40/year; monthly available |
| Reconstitution math | ✓ Full reconstitution, blend and syringe-unit math | Stated as not offered |
| Cost per dose / run-out | ✓ Cost per dose, per month and vial run-out forecasting | Stated as not offered |
| Inventory & expiry | ✓ Vials, diluent, reorder and mixed-vial expiry alerts | Stated as not offered |
| Lab tracking | ✓ Manual labs with chart overlays | Stated as not offered |
| Clinician / PDF export | ✓ Full JSON + CSV export | Stated as not offered |
| Food & macro targets | Not offered — not a food diary | ✓ Protein, fibre, calorie and water targets |
| Health-platform sync | Not offered | ✓ Apple Health |
| Estimated levels | ✓ Estimated level curve + public 86-compound half-life table | ✓ Medication-level indicator |
| Injection-site rotation | ✓ Site logged per injection with previous site shown | ✓ Site rotation history |
Sources: pepglp1.com. Pep's own pages state the exclusions listed above.
Where each one wins
Neither is better at everything. These are the honest trade-offs.
Pick Peptide Plug for
- Cost per dose and vial run-out — Pep states it does not do this.
- Reconstitution math for compounded vials — Pep states it does not do this.
- Lab tracking — Pep states it does not do this.
- Inventory and expiry — Pep states it does not do this.
- Export for a clinician — Pep states it does not export PDF or clinician reports.
Pick Pep for
- Food logging with protein, fibre, calorie and water targets.
- Apple Health sync for weight, activity and water.
- Ten languages, if English is not your first choice.
- Native iPhone, iPad and Android apps with the same core features.
- A lower annual price at about $40 versus $49.99.
Which should you pick?
Pep is the better daily consumer app, especially if you log food or want it in another language. Peptide Plug covers the four things Pep says it does not do. Some people run both.
Common questions
Does Pep do reconstitution math?
Which is cheaper?
Which is better if I want to log food?
Can I share my history with a doctor?
Do either give medical advice?
Try the free tools first
Every Peptide Plug calculator runs in your browser with no account and nothing stored.
Open the free tools