Fablum vs ReadEra

ReadEra and Fablum start from the same place: the files already on your device, and no sign-up. What differs is the list of formats and what each one puts next to your books.

Side by side

Capability Fablum ReadEra Read on
Devices iPhone, iPad and Android Offered on Google Play, the App Store and AppGallery Source
Account No account Reads without registration Source
Your own files The EPUB and PDF files you add Finds the books on your device and does not copy them into a store of its own Source

Where ReadEra is ahead

Capability Fablum ReadEra Read on
File formats EPUB and PDF EPUB, MOBI, AZW3, FB2, PDF, DjVu, DOC, DOCX, RTF, ODT, TXT, CBR and CBZ Source
What it costs Free for 5 books at a time, then a one-time unlock, no subscription Free Source

All comparisons