I had the misfortune to use Kortext after buying an online book (Toronto Notes) without any option for the reader.It's been so far (after 3 months) both frustrating and unpleasant.Here are the main drawbacks:- Constant disconnections with double authentication.- Worst search mode ever. No misspellings allowed, or it finds absolutely nothing (even if you have forgotten one letter only), and unfortunately, it can't find words in images. As for the results, there is no filter selection, and the relevance is appalling. - Notes: you are left with some options of colour, but they also automatically come with underlining that obstructs the reading of the line right below. You can't add notes on the page (just like with Adobe, for instance). The notes take you to a different page.- The uploading of each page is not the fastest, to say the least. I could go on for hours. It is not user-friendly at all. I would exchange it anytime if I could.
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