Pricing
Free to track. Pro to go deeper.
Core tracking, reconstitution calculator, 3D injection map, and 81-compound library are all free. Pro adds AI, PK curves, and advanced analytics.
Every install gets 14 days of Pro free. No card required.
Free
Forever
Download- ✓Dose logging and protocol scheduling
- ✓Reconstitution calculator — forward and reverse
- ✓3D injection site body map
- ✓Vial tracking and inventory
- ✓81-compound research library
- ✓Daily check-in
- ✓Stealth Mode
- ✓Apple Health integration
- ✓Data export (CSV and PDF)
Annual
Most popularSave 50% vs monthly
Start free trial- ✓Everything in Free
- ✓AI Research Assistant (unlimited)
- ✓Stack Score and Interaction Checker
- ✓PK curves and Active Levels chart
- ✓Unlimited active protocols
- ✓Advanced adherence analytics
- ✓Cost-per-dose tracking
- ✓Priority feature access
Lifetime
Best valueNo recurring charges
Start free trial- ✓Everything in Pro Annual
- ✓One-time payment
- ✓All future Pro updates included
- ✓No subscription required
Monthly plan: $9.99/month (effective August 21, 2026). Annual saves 50%. All plans start with 14 days of Pro free.
Frequently asked questions
Is Protocol free?+
Yes. Protocol is free to download on iOS and Android. The free tier includes core dose logging, the reconstitution calculator, vial tracking, the 81-compound research library, and the injection site tracker. Every new install also receives 14 days of Pro automatically — no credit card or opt-in required.
What does Protocol Pro cost?+
Protocol Pro is available at three price points: $9.99 per month (effective August 21, 2026), $59.99 per year (save 50% vs monthly), or $149.99 as a one-time lifetime purchase. The lifetime tier is a single payment with no recurring charges and all future Pro updates included.
What is included in Protocol Pro?+
Protocol Pro adds: AI Research Assistant and Stack Score (unlimited queries), PK curve modeling and Active Levels chart, compound Interaction Checker, unlimited active protocols, advanced adherence analytics, cost-per-dose inventory tracking, and priority access to new features. The free tier handles all core tracking and the reconstitution calculator without a Pro subscription.
Does Protocol have a lifetime plan?+
Yes. The Protocol lifetime plan is $149.99 as a one-time purchase. It includes all Pro features with no recurring charges and all future Pro updates for the lifetime of the app.
How do I get 14 days of Pro free?+
Every new Protocol install on iOS or Android receives 14 days of Pro automatically. No credit card, no opt-in, no coupon code. Download the app and all Pro features are unlocked from the first open.
Available on iOS and Android. No account required.
