# ZeroPhase > ZeroPhase (https://zerophase.app) turns the Naval Special Warfare Physical Training Guide into a daily, trackable BUD/S preparation program. Log your Physical Screening Test (PST) scores, get a 26-week plan calibrated to your current fitness, and train one day at a time, with every workout, set, and rep laid out for you. ZeroPhase is for people preparing for Navy SEAL BUD/S who have the official training guide but not the structure to follow it. The guide is a dense PDF full of tables and progressions. A 26-week BUD/S (Navy SEAL Basic Underwater Demolition/SEAL) preparation training app. ZeroPhase structures the guide into 156 days of cardio, strength, and calisthenics that adjust automatically as your PST scores change. Key facts: - 26-week BUD/S preparation program built from the Naval Special Warfare Physical Training Guide. - Daily workouts: every day shows the exercises, sets, and reps for that day. - PST tracking: log your swim, push-ups, sit-ups, pull-ups, and run to calibrate your plan. - Automatic progression: take a new PST and when the numbers change, so does your program. - Form guidance: detailed instructions for every exercise type, including cardio protocols, calisthenics progressions, and strength training. - Works as a mobile-first web app (PWA). No app store install required. - Pricing: Pro $49 one time, or Premium $99 one time. No subscription, nothing to cancel. - Trial: every new account starts with a 3-day Premium trial, no card required. - Home page: it shows the real app on a phone, on today's workout screen — the day's task, its warm-up, the timer, and Mark done. ## Pages - [Home](https://zerophase.app): what ZeroPhase does, how it works, and pricing - [Glossary](https://zerophase.app/glossary): key BUD/S preparation terms and concepts - [BUD/S Pipeline Glossary](https://zerophase.app/glossary#pipeline): the course itself, from orientation and the three phases to Hell Week, drown-proofing, surf immersion, log PT, drop on request and rollback - [Plan](https://zerophase.app/plan): every week of the 26-week program, with distances, reps, and what changes each week - [PST Scorecard](https://zerophase.app/pst-scorecard): free BUD/S PST calculator with minimum and competitive standards - [Starting Under the Minimums](https://zerophase.app/starting-under-the-minimums): what the guide prescribes when you start below the PST minimums - [Fewer Than 26 Weeks to the PST](https://zerophase.app/fewer-than-26-weeks): what to do when your target PST date is less than 26 weeks away - [Best BUD/S Prep Training App](https://zerophase.app/best-buds-prep-training-app): the BUD/S prep apps and programs the AI engines name, each fact with its own source and the date it was read - [MCP Server](https://zerophase.app/mcp-server): connect an agent (Claude, ChatGPT, Cursor) to read the day's training and log what was done, over MCP - [Changelog](https://zerophase.app/changelog): product updates and releases - [Contact](https://zerophase.app/contact): get in touch