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Saber vs Flexcil: catalog facts
Saber	Flexcil
Free Free and open source.	Freemium Free to download, with free use available to schools on application.
Windows, macOS, Linux, Android, iOS	Android, iOS, Web
Built specifically for handwriting and stylus input Runs on Android, iOS, Windows, macOS and Linux	PDF reading and note taking side by side Gesture-based annotation suited to a stylus
Focused on handwriting, less suited to typed notes Best experience needs a device with a stylus	Designed mainly for tablets Homepage gives no details on paid features
Downloadable app	Downloadable app, Web application
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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