Barnes & Noble’s Bookstore app has joined the Nook app on the top free iOS eBook apps list this week, giving the book retailer two slots on the list. Kindle is still the bestselling free eBook app for the week, according to research from AppData.

Below, we’ve listed the top free iOS eBook apps of the week. The list links to Inside Network’s research about the individual apps, including historical charts, developer information and download information.

To prepare for Mediabistro’s upcoming Publishing App Summit on December 4, 2012, we spotlight the top free apps every week–helping our readers discover, enjoy and analyze successful content.

Top Free iOS eBook Apps of the Week

1. Kindle Kindle
2. iBooks iBooks
3. Tips & Tricks - iPhone Secrets (Free Lite Edition) Tips & Tricks – iPhone Secrets (Free Lite Edition)
4. NOOK by Barnes & Noble NOOK by Barnes & Noble
5. Audible Hörbuch-App für iPhone Audible Hörbuch-App für iPhone
6. Goodreads Goodreads
7. Audiobooks Audiobooks
8. Marvel Comics Marvel Comics
9. 100.000 Bücher - Wattpad 100.000 Bücher – Wattpad
10. B&N Bookstore B&N Bookstore

More detailed stats are available at AppData Pro, Inside Network’s data service supplying performance data, including historical user data, audience demographics, and company information for developers and applications.