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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.

MMAudio logo
MMAudio
✓ verifiedFreemium

AI tool that analyzes silent video and generates matching sound effects and ambient audio tracks.

50K visits/mo2.2K saves
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
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
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
Pricing
Free: $0 (1 credit/day)
Starter: $4.16/mo billed yearly (150 credits/mo)
Basic: $12.49/mo billed yearly (450 credits/mo)
Advanced: $24.99/mo billed yearly (1,000 credits/mo)
Premium: $41.66/mo billed yearly (2,000 credits/mo)

No public pricing

No public pricing

No public pricing

Free trial available

No public pricing

Core features
  • Video-to-audio synthesis synchronized to footage
  • Context-aware environmental and ambient sound generation
  • Text-to-audio generation from keyword prompts
  • Adjustable clip duration and model selection
  • Credit-based generation with API key management
  • Support for common video formats up to set size limits
  • 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
  • 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
  • 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
Use cases
  • Adding soundtracks and effects to silent video
  • Generating ambient audio for films and clips
  • Creating sound for educational and game content
  • Producing audio from text prompts
  • Musicians extracting vocals or instrumentals from a track
  • Remixers and DJs isolating stems for production
  • Developers integrating stem separation via API
  • 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
  • Narrating videos, ads and explainers
  • Producing audiobooks without a studio
  • Creating character or brand voices for games and apps
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