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SimBrief vs Little Navmap: catalog facts
SimBrief	Little Navmap

Best for: Flight simulator pilots who want realistic flight plans and briefings	Best for: Flight simulator pilots planning flights and following a moving map
Free + paid options Free to use; a Navigraph subscription adds current navigation data and charts.	Free Free and open source.
Web	Windows, macOS, Linux
Detailed fuel planning and dispatch packages Includes weather, NOTAMs and ETOPS calculations Free to use with a Navigraph account	Supports MSFS 2020 and 2024, X-Plane and Prepar3D Uses simulator data with no third-party data needed Runs on Windows, macOS and Linux Detailed manuals and map legend
Requires a Navigraph account Free tier uses an outdated navigation database	Only useful with a supported flight simulator Up-to-date navigation data requires Navigraph
Web application	Downloadable app
Not open source	Open source
License not stated	License not stated
Account needed	No account needed
Needs internet	Offline features available
Official website Full listing and sources Sources for SimBrief simbrief.com Catalog checked October 2, 2026	Official website Full listing and sources Sources for Little Navmap albar965.github.io/littlenavmap.html Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.