Hot answers tagged aldiko
Answer is in their FAQ: The free version is advertisement supported while the premium version is not. Both the free and premium versions have the same set of features at this point except the premium version will get faster updates.
Apparently the catalog has to support it. I never realized that the default catalogs with Aldiko didn't have a sorting by title as I always use the custom catalog Drinkmalk and it does have a "By Title/Series" alphabetical ordering of books.
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