When comparing Intelligent Speaker vs Speech Central, the Slant community recommends Intelligent Speaker for most people. In the question“What is the best text to speech software for Mac and iOS?” Intelligent Speaker is ranked 4th while Speech Central is ranked 6th. The most important reason people chose Intelligent Speaker is:
Audio format: AAC inside M4A, compatible with iOS and Android.
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Pros
Pro Supports sync-ing with private podcast feeds
Audio format: AAC inside M4A, compatible with iOS and Android.
Pro Clean UI
Pro It's a browser extension
Pro Good quality of voice
Pro Can read intranet and texts from desktop
Pro Automatic text detection on page
Just push the button and it will play what you need (but of course, it's not always perfect).
Pro Playback rate control
Normal speed, 1.5x, 2x
Pro Can start listening from context menu
Good for fullscreen mode.
Pro RAM is only used when needed
This extension will not consume system resources when in the background like many other extensions does, because it only runs in the event page and doesn't run in the background.
Pro File replication/syncing available via iCloud
Pro Available on Mac, Windows, iOS and Android
It's cross platform, but syncing only partially works for Apple ecosystem using iCloud.
Pro Good value for the money / Cheap
For $10 this app offers a lot.
Cons
Con No voices included on Android version
The app is unusable on Android unless you have voices installed under text to speech output settings.
Con No playback position syncing, even via iCloud
Even though the files replicate across Mac OS and iOS devices, the playback position does not replicate.across iCloud. Each device remembers it's own playback position, but it doesn't get synced to other devices.
Con Doesn't support images
If you have media you want to read where images or illustrations are important, this is not going to cut it.