Most Common Devices and Apps, and What They Need So You Can Read Your Book.
- Kindle: As of March 2025, Mobi is no longer supported. Use ePub or PDF.
- Nook: ePub or PDF
- Kobo: MOBI, ePub, or PDF
- Apple iBooks: ePub or PDF
- Google Play Books: ePub or PDF
- If In Doubt or PC: PDF