FM Library

Free offline library of 50 U.S. Army field manuals & doctrine pubs. A one-time $0.99 unlock adds full-text search, an AI assistant, and PDF import — no subscription.

FM Library puts the U.S. Army's core doctrine in your pocket — a fast, offline reference to Field Manuals (FM), Army Doctrine Publications (ADP), Training Circulars (TC), and more.

OFFLINE DOCTRINE LIBRARY • 50 core publications with full in-app content, organized and summarized for quick reference • Clean, distraction-free reader with chapters and sections • Works fully offline — no signal required in the field

FULL-TEXT SEARCH (PRO) • Full-text search across the entire library at once • Jump straight to the section you need

AI ASSISTANT (PRO) • Ask plain-language questions and get answers grounded in the manuals, with tappable sources • Generate quick study summaries of any chapter or section • Bring your own Anthropic (Claude) API key, or run a private on-device model — no subscription

BRING YOUR OWN PDFs (PRO) • Import your own field references, SOPs, or notes • They're automatically indexed (with OCR for scanned pages) so they appear in search and the AI assistant alongside the built-in manuals

BOOKMARKS & FAVORITES (PRO) • Bookmark sections and PDF pages, mark favorites, and pick up where you left off

FREE & PRO • The 50-manual library is free forever — browse and read every publication, fully offline • A single one-time purchase unlocks full-text search, the AI assistant, PDF import, and bookmarks — no subscription

Whether you're studying for a board, prepping for training, or need a reference in the field, FM Library keeps the doctrine you rely on a tap away.

Note: This app is an independent reference tool. It is not affiliated with, endorsed by, or sponsored by the U.S. Army or the Department of Defense. All included material is derived from publications approved for public release.