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ReadEra vs Panels: catalog facts
ReadEra	Panels
Free Free to download and use without ads, according to the developer.	Freemium Free to download; some features and store comics cost extra.
Android, iOS	macOS, iOS
Opens EPUB, MOBI, PDF, DjVu, Word, FB2 and comic files Reads books directly from ZIP and RAR archives	Opens CBR, CBZ, 7z, PDF and comic EPUB Panel-by-panel view for small screens
Closed source Mobile only, with no desktop version	Apple devices only Closed source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account 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 23, 2026

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