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ReadEra vs Book's Story: catalog facts
ReadEra	Book's Story
Free Free to download and use without ads, according to the developer.	Free Free, ad-free and open source under the GPL 3.0.
Android, iOS	Android
Opens EPUB, MOBI, PDF, DjVu, Word, FB2 and comic files Reads books directly from ZIP and RAR archives	Supports EPUB, PDF, FB2, TXT, HTML and Markdown Extensive reading customisation
Closed source Mobile only, with no desktop version	Android only Last code update was in early 2026
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
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 October 2, 2026

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