quits, only reads in German
The first article I imported to Speaky only offers German as the language spoken.
The second article I imported to Speaky quits after about 10 minutes; it is over four hours.
The speed adjustment is quite coarse; OTOH, it does adjust fast enough for me, and I imagine, slow enough for anyone.
And your report a problem link doesn’t go anywhere I can report anything!
whittiernor about
Text to Speech - Speaky