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NaturalReaders
✓ verifiedFreemium
Established text-to-speech app that reads documents, PDFs and webpages aloud in 90+ languages across Personal, Commercial and EDU plans.
3.8M visits/mo
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Hume AI
✓ verifiedPaid
Voice AI research lab offering emotionally intelligent speech models and APIs for developers building empathic voice applications.
247K visits/mo
Pricing
No public pricing
No public pricing
No public pricing
Core features
- ✦Text-to-speech with natural AI voices
- ✦100% free, forever
- ✦Open-source
- ✦Works online
- ✦AI text-to-speech in 90+ languages
- ✦Reads PDFs, docs, webpages and scanned books
- ✦Voice cloning and prompt-based voice design
- ✦Study tools: AI podcast, recap, chat, quizzes
- ✦Web app, mobile apps and Chrome extension
- ✦Empathic, emotionally intelligent voice models
- ✦Human-feedback and evaluation APIs
- ✦Open-source models and datasets
- ✦Coverage of 50+ languages and dozens of emotions
- ✦Expression measurement and speech tooling
Use cases
- →Generating voiceovers for videos
- →Creating audio content from written text
- →Accessibility for visually impaired users
- →Personal and commercial use
- →Listening to documents and ebooks
- →Creating commercial voiceovers
- →Accessibility for dyslexia and vision needs
- →Classroom and EDU accessibility
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
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