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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.

Fish Audio logo
Fish Audio
✓ verifiedFreemium

AI text-to-speech and voice-cloning studio with emotion controls, 2M+ voices and speech-to-text via web or API.

5.6M visits/mo
Udio logo
Udio
✓ verified

Popular AI music generator that turns text prompts into full songs with vocals and instrumentation in seconds.

1.7M visits/mo
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
Splitter.ai logo
Splitter.ai
✓ verifiedFreemium

AI stem separation tool built on Deezer's Spleeter research, with free basic splitting and a Pro tier for cleaner extraction.

114K visits/mo2.7K saves
AI Mastering logo
AI Mastering
✓ verifiedFreemium

Automatic online audio mastering with a free unlimited plan; balances loudness and dynamics.

76K visits/mo
Pricing

No public pricing

No public pricing

No public pricing

No public pricing

Free: $0/mo (unlimited mastering)
Core features
  • Text-to-speech with emotion and effect tags
  • Voice cloning from samples
  • Speech-to-text transcription
  • Multilingual voice library (2M+ voices)
  • Developer API for integration
  • Real-time voice generation
  • Text-to-music generation with vocals and instrumentation
  • Song extension and remixing tools
  • Genre and style-guided generation
  • Library of user-generated tracks to explore
  • 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 stem separation based on Spleeter technology
  • Free basic multi-stem splitting
  • Pro-tier near-perfect 2-stem (vocal/instrumental) separation
  • Reverb removal (Pro)
  • Direct YouTube link splitting (Pro)
  • API access for developers
  • Automatic AI audio mastering
  • Loudness and dynamic-range balancing
  • Target loudness and mastering-level customization
  • Output format customization
  • Spectrum and loudness analysis
  • Drag-and-drop interface
Use cases
  • Narrating videos, ads and explainers
  • Producing audiobooks without a studio
  • Creating character or brand voices for games and apps
  • Musicians and hobbyists generating original song ideas from prompts
  • Content creators needing background music or soundtracks
  • Songwriters exploring melody and lyric ideas quickly
  • Listening to documents and ebooks
  • Creating commercial voiceovers
  • Accessibility for dyslexia and vision needs
  • Classroom and EDU accessibility
  • Musicians extracting vocals or instrumentals from a track
  • Remixers and DJs isolating stems for production
  • Developers integrating stem separation via API
  • Mastering music before release
  • Improving demo track quality
  • Independent musicians and producers
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