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Solo Forge vs Fastic: catalog facts
Solo Forge	Fastic
Free Free and open source under the GPL-3.0, with no ads.	Freemium Free to download; pricing details are not stated on the homepage.
Android	Android, iOS
Fasting, calorie, weight and workout tracking in one app No accounts, analytics or crash reporting	Fasting timer combined with meal tracking Food scan for logging meals from a photo
Android only Small, young project with a single main developer	Built around one dieting approach Pricing not stated on the homepage
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.