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Flexcil vs Highlights: catalog facts
Flexcil	Highlights
Freemium Free to download, with free use available to schools on application.	Freemium Free to use, with advanced features in a Pro subscription that has a free trial.
Android, iOS, Web	macOS, iOS
PDF reading and note taking side by side Gesture-based annotation suited to a stylus	Exports annotations to Markdown and popular notes apps DOI lookup and citation metadata for papers
Designed mainly for tablets Homepage gives no details on paid features	Apple platforms only Advanced features require a subscription
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it 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 24, 2026

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