Our verdict of the Onyx Boox Nova2 Ereader:If you're familiar with Android, the Onyx Boox Nova2 is flat-out the best 7.8" Android ereader of 2020.910Amazon Kindle eReaders are designed to do one thing: sell eBooks. For those looking for something more versatile, the best Kindle alternative of 2020 is the $340 Onyx Boox Nova2.