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Pros
Pro Easy to follow along with your eyes
If you look at the screen while the app is reading, the text scrolls and emphasizes the sentence and the individual words as they are read, kinda like high quality karaoke lyrics.
Pro Imported document (PDF, ePub, Doc, Mobi, TXT) is displayed in an easy to read, nicely arranged format.
VDR arranges most documents you import into a clean, easy to read format that is customizable. Can control the size of margins, select from several fonts & adjust the size, change text, background & highlight colours. Can swipe and view text in original layout/format or view as plain text and lose all the formatting for a simpler view of material.
Pro Dropbox source
By being able to connect to Dropbox in the Voice Dream Reader app, you can open and read books that are stored in your Dropbox account.
Pro Highlighting text
Allows highlighting text on the fly.
Pro Inexpensive
Compared to the alternatives, this is a cheap solution.
Pro Very efficient voices
Pro Has the best share implementation I've seen on iOS
Voice Dream Reader has a share sheet extension for iOS. When you use it, there are three options, you can save in Aritcle format (text and images), PDF format, and Full Text format. and it will show you a preview of what it will look like so you know what to expect.
Pro Has OCR companion app
Here.
Pro Instant pickup
Just click on a new page or new paragraph to skip boring sections. Also, allows speed increments changes to a very small accurate degree - i.e. to read at the right speed.
Pro Reflows PDF text content as plain text
This feature lets you read along beautifully and in the focused and pac man modes. Great for studying purposes.
Cons
Con Ugly interface
The interface is ugly and not well thought out. For instance, putting items in folders removes the details from the list and replaces it with the name of the folder. Also, adding folder names has an ugly double popup.
Con Cannot read via OCR
If you have image based PDFs for example, this won't be able to read it, at least not without pre processing with other OCR software before exporting/uploading to Dream Reader. That being said, VoiceDream Reader now has a companion app to make OCR > Voice Dream Reader very simple and easy. Visit this link.
Con Can't play DRM protected content
Con Few voices
When bought, a voice package from the iOS App Store, as part of a package with voice writer & voice dream, had over 20 voices/accents, now there are only 2 voices.