Comparison · All comparisons

Protokol Lab
vs DoseDiary.

Free PWA from a solo developer — lightweight Shotsy alternative with dose charting.

What DoseDiary does well

  • Completely free. No paywall on dose charting, weight tracking, or schedule management.
  • Lightweight and fast — designed for quick logging without friction.
  • Active community presence on Reddit; the developer is responsive to feedback.
  • Works as a PWA across iOS, Android, and desktop.

Where DoseDiary falls short for GLP-1 users

  • Nutrition and macro tracking is minimal — it focuses on dose and weight, not food.
  • No rolling 7-day calorie budget.
  • Symptom tracking is basic; no 0–10 severity scale or correlation charts.
  • No AI assistant.

Feature matrix

FeatureDoseDiaryProtokol Lab
Dose tracking with half-life curves
Weight tracking + trend
Calorie / macro tracking
Rolling 7-day calorie budget
Food barcode scanning
Symptom severity 0–10 scale
Multi-compound stacks
Agentic AI assistant
Pricing FreeFree + $6.58/mo

Use DoseDiary if…

You want free, no-friction dose + weight tracking and you don't need sophisticated macro tracking, AI, or correlation analytics.

Use Protokol Lab if…

You want dose tracking plus full macro logging with a weekly rolling budget, plus 0–10 symptom severity, plus an AI that reads all of it together. DoseDiary is great at a slice of the problem; Protokol Lab is the whole picture.

FAQ

Can Protokol Lab do what DoseDiary does for free?

Yes. The free tier of Protokol Lab covers dose tracking with half-life curves, weight trend, symptom logging, and up to 3 custom compounds — the overlap with DoseDiary is essentially complete for the free feature set.

Is Protokol Lab open source like DoseDiary?

No. Protokol Lab is a commercial product with a free tier. DoseDiary is developer-maintained but not open source either; the free-forever model is its distinctive commitment.

See Protokol Lab for yourself.

Real data. No signup required.