# Stack Ritual > Stack Ritual is a supplement tracker app (web and Android) with reminders, mood correlation, inventory tracking, an evidence library, and AI stack analysis. ## Key pages - [Home](https://www.stackritual.com/): what Stack Ritual is and how it works - [Pricing](https://www.stackritual.com/pricing): plans, prices, and feature comparison - [Pricing as markdown](https://www.stackritual.com/pricing.md): the same pricing in plain markdown - [Supplements](https://www.stackritual.com/supplements): evidence library covering hundreds of supplements - [Expert stacks](https://www.stackritual.com/stacks): published supplement stacks you can add in one tap - [Guides](https://www.stackritual.com/guides): practical guides on supplements and talking to your doctor - [FAQ](https://www.stackritual.com/faq): common questions - [Free stack analysis](https://www.stackritual.com/analyze): AI review of your stack for overlaps and gaps, no account needed ## Guides - [Stack Ritual vs CareClinic: Supplement-First Tracker or General Health Tracker?](https://www.stackritual.com/guides/stack-ritual-vs-careclinic): Stack Ritual vs CareClinic: a supplement tracker against a general health tracker. Compare mood, interactions, doctor export, platforms and prices. - [Stack Ritual vs SuppTrack: Reminders, AI Analysis, and What Each Leaves Out](https://www.stackritual.com/guides/stack-ritual-vs-supptrack): Stack Ritual vs SuppTrack: reminders, AI analysis, mood correlation, platforms and prices. See which supplement tracker fits how you take your stack. - [Stack Ritual vs SuppCo: Which Supplement Tracker Fits You?](https://www.stackritual.com/guides/stack-ritual-vs-suppco): Stack Ritual vs SuppCo: platforms, product scoring, mood correlation, inventory, doctor export and prices. See which supplement tracker fits your routine. - [Best Supplement Tracker Apps in 2026 (Honest Comparison)](https://www.stackritual.com/guides/best-supplement-tracker-apps): Twelve supplement tracker apps compared on platforms, free tiers, published prices and mood correlation. Find the one that fits how you take your stack. - [How to Bring Your Supplement List to a Doctor's Appointment](https://www.stackritual.com/guides/export-for-doctor): Stop scrambling the night before an appointment. See how to print or email an always-current supplement list from Stack Ritual for your next doctor visit. - [The Doctor Disclosure Gap](https://www.stackritual.com/guides/doctor-disclosure-gap): Most people don't tell their doctor about the supplements they take. Not embarrassment, just a belief that vitamins don't count as medical information. - [Which Supplements to Stop Before Surgery (and When)](https://www.stackritual.com/guides/supplements-before-surgery): Fish oil, vitamin E, ginkgo, garlic, ginger, and vitamin K before surgery: what Mayo Clinic, NIH, and hospital guidance actually says, and where it disagrees. ## Expert stacks - [Andrew Huberman: sleep stack](https://www.stackritual.com/stacks/huberman-sleep) - [Rhonda Patrick: Big 5 foundational stack](https://www.stackritual.com/stacks/rhonda-patrick-big5) - [Peter Attia: longevity stack](https://www.stackritual.com/stacks/attia-longevity) - [Dave Asprey: foundational stack](https://www.stackritual.com/stacks/asprey-foundational) ## Pricing - Free: $0, up to 5 supplements - Plus: $4.99 per month or $49.99 per year, unlimited supplements, email reminders, AI stack analysis - Pro: $9.99 per month or $99.99 per year, adds SMS reminders and an AI label scanner