Track your stack.
Own your data.
The privacy-first supplement tracker. No account, no server, no analytics. Your stack lives on your device, backed up to your own cloud storage.
14-day free trial • No account needed • Cancel anytime
Features
Everything you need.
Nothing you don't.
Scan, library, or manual
Ask your AI assistant
Add supplements
Scan, search, or ask an AI
Pull products in from barcodes, pick from your saved library, type them in by hand, or hand the whole job to an AI assistant that knows the Biostacks schema.
- Barcode lookup via Open Food Facts
- Reuse anything already in your library
- AI-assisted editing in one tap
Stack scoring
See exactly what you're stacking
Every stack gets a score across three lenses: how much of your RDA each nutrient covers, how trusted the brands are, and which supplements interact.
RDA coverage
Brand trust
Interactions
Daily intake
Today at a glance
See what's due this morning and this evening. Log it with one tap. Reminders are opt-in.
- Stacks grouped by schedule
- One-tap logging
- Optional per-stack reminders
Privacy
Your data never leaves your device
No account, no server, no analytics. Your stack lives in local storage. Sync to your own iCloud or Google Drive if you want.
- Works fully offline
- iCloud or Google Drive sync you control
- Export as structured JSON any AI can read
Pricing
Simple, honest pricing
Start free. Upgrade when you need more.
Free
No account needed. Always free.
- ✓ Unlimited stacks
- ✓ Barcode scanning
- ✓ Supplement library
Pro
About $2/month. Less than a single supplement.
- + Everything in Free
- ✓ Stack scoring
- ✓ Conflict detection
- ✓ Share with AI
- ✓ iCloud & Drive sync
- ✓ Daily reminders
- ✓ 14-day free trial
Start your free trial
today.
14 days free. No account. Your supplements, nothing else.
Learn