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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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ttsMP3.com
✓ verifiedFree
Free browser-based text-to-MP3 converter using Amazon Polly voices across 28+ languages with SSML controls.
599K 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
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notevibes.com
✓ verifiedFreemium
AI text-to-speech studio with 550+ voices in 72 languages for voiceovers, podcasts and audiobooks; free plan plus paid tiers.
239K visits/mo
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Peech AI
✓ verifiedFreemium
Text-to-speech app turning PDFs, ebooks, emails and web articles into natural audio in 60+ languages on iOS and Android.
445K visits/mo
Pricing
No public pricing
No public pricing
Starter: $8/mo billed yearly ($96/yr)
Personal: $16/mo billed yearly ($190/yr)
Pro: $83/mo billed yearly ($990/yr, commercial)
Credit Pack: $49 one-time (1M credits)
No public pricing
Core features
- ✦Text-to-MP3 conversion powered by AWS Polly
- ✦28+ languages and multiple regional accents/voices
- ✦SSML tags for pauses, emphasis, speed, and pitch
- ✦Multi-speaker conversation formatting
- ✦Daily free character limit (~3,000 characters)
- ✦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
- ✦550+ AI voices in 72 languages
- ✦80+ emotion tags and tone controls
- ✦Podcast mode with multi-speaker dialogs
- ✦Audiobook narration with per-character voices
- ✦Document and URL import (PDF, DOCX, EPUB)
- ✦MP3/WAV/OGG downloads with commercial rights on Pro
- ✦Audio transcription and translation
- ✦Converts PDF, EPUB, DOCX, emails and web pages to speech
- ✦Best-in-class OCR including handwriting and scans
- ✦200+ natural voices with content-specific presets
- ✦60+ languages with auto-detection
- ✦Synchronized text highlighting and speed control
- ✦iOS, Android and Chrome extension
Use cases
- →Creating narration for e-learning or presentations
- →Adding accessible audio to websites
- →Producing quick voiceovers for YouTube videos
- →Generating multi-character dialogue audio clips
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
- →Voiceovers for YouTube, TikTok and ads
- →Producing podcasts
- →Narrating audiobooks
- →E-learning and presentation narration
- →Listening to articles and documents hands-free
- →Accessibility support for dyslexia, ADHD or low vision
- →Studying and multitasking by listening
- →Consuming ebooks and long reads as audio
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