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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.

Speechify logo
Speechify
✓ verifiedFreemium

Text-to-speech and voice-typing assistant that reads PDFs and web pages aloud and dictates text across apps, for readers and multitaskers.

6.7M visits/mo17K saves
NaturalReaders logo
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
Voice.ai logo
Voice.ai
✓ verifiedFreemium

Real-time AI voice changer and voice cloning platform with enterprise voice agent and text-to-speech products.

1.6M visits/mo
Online Audio Converter logo
Online Audio Converter
✓ verifiedFreemium

Free browser-based audio converter (123apps) supporting 300+ formats to MP3, WAV and more, with tag editing and batch conversion.

4.1M visits/mo
Pricing
Free: $0/month (10 robotic voices, up to 1.5x speed)
Premium: $29/month (1,000+ voices, 60+ languages, up to 5x speed, dictation, podcasts)

No public pricing

No public pricing

Free trial available

Free: $0 (70 files/day, up to 4 GB)
Premium: $6/mo (unlimited files, up to 10 GB, no ads)
Core features
  • 1,000+ natural-sounding AI voices in 60+ languages
  • Adjustable playback speed up to 5x
  • Text highlighting synced to audio
  • Scan-and-listen photo-to-speech
  • Voice dictation/typing across apps
  • AI podcast generation from documents
  • Voice AI assistant for Q&A on read content
  • Cloud storage integrations (Drive, Dropbox, OneDrive)
  • 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
  • AI voice agents for call automation
  • Text-to-speech in 15+ languages
  • Voice cloning from 10-second samples
  • Real-time voice changer
  • Noise remover
  • CRM integrations (Salesforce, HubSpot, Zendesk)
  • GDPR, SOC 2 and HIPAA compliance
  • Convert 300+ audio and video formats
  • Extract audio from video files
  • Adjustable quality, bitrate and channels
  • ID3 tag editing
  • Batch conversion to ZIP
  • Runs in-browser, files auto-deleted
Use cases
  • Listening to long articles, PDFs or emails hands-free
  • Studying by having textbooks or lecture notes read aloud
  • Dictating text faster than typing across apps
  • Turning documents into podcast-style audio
  • Reducing eye strain from extensive reading
  • Listening to documents and ebooks
  • Creating commercial voiceovers
  • Accessibility for dyslexia and vision needs
  • Classroom and EDU accessibility
  • Gamers and streamers changing their voice in real time
  • Businesses deploying AI voice agents for customer calls
  • Content creators cloning voices for videos or narration
  • Developers building custom apps with voice APIs
  • Converting audio to MP3 or other formats
  • Making iPhone ringtones (M4R)
  • Extracting a song from a video
  • Batch-converting many audio files
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