Amazon Kindle
Free
Amazon Kindle is a series of e-readers designed and marketed by Amazon.com.
Project Gutenberg
Free
Project Gutenberg (PG) is a volunteer effort to digitize and archive cultural works.
Google Play Books
Free
Google Play Books (formerly Google eBooks) is an ebook digital distribution service operated by Google. Users can purchase and download ebooks from Google Pla…
Scribd
Commercial
Scribd is a digital library and e-book and audiobook subscription service that includes one million titles.
Compare iBooks with alternatives
Compare Amazon Kindle and iBooks and decide which is most suitable for you.
Compare Google Play Books and iBooks and decide which is most suitable for you.
Compare Project Gutenberg and iBooks and decide which is most suitable for you.