Side by side
Intelligent Speaker vs OpenTTS
Both stand on text-to-speech software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidExtensioniPhone
Intelligent Speaker combines browser reading, document uploads, mobile access, and podcast synchronization. The free tier is limited, while either Premium plan adds 24 monthly hours and downloadable audio.
Visit Intelligent Speaker Free plan APILinuxSelf-hosted+1
OpenTTS provides a unified, self-hosted route to many speech engines, with API endpoints and MaryTTS compatibility. Its archived, read-only repository means users should account for limited ongoing project maintenance.
Visit OpenTTSThe facts
| Intelligent Speaker | OpenTTS | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, Extension, iPhone | API, Linux, Self-hosted, Web |
| Lowest paid plan | PREMIUM yearly: $69.99 a year | Free or on request |
| Plans published | 3 | 1 |
| Maker | Not published | Not published |
| Website | intelligent-speaker.com | github.com |
| On text-to-speech software | #44 of 223 | #48 of 223 |
Intelligent Speaker: what it does well
- Reads web pages and common document files
- Supports 20 languages
- Chrome, Firefox, and Opera extensions
- Podcast links and offline listening
- Free monthly listening hour
What to know first
- Free plan limited to one hour monthly
- Unused listening time expires monthly
- Premium audio features require payment
- Only Android and iOS apps are listed
OpenTTS: what it does well
- Free MIT-licensed open-source software
- HTTP API converts text to WAV
- Multiple speech engines and voices
- MaryTTS-compatible endpoint available
- Supports several Linux architectures
What to know first
- Repository is archived and read-only
- No published security policy or advisories
- Self-hosted Docker deployment required
- Only a subset of SSML is supported
Alternatives to Intelligent Speaker Alternatives to OpenTTS The whole list