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AudioStack
✓ verifiedPaid
Agentic audio-production API that turns briefs or text into broadcast-ready ads, voiceovers and long-form audio at scale.
5.1K saves
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Fadr
✓ verifiedFreemium
AI music workstation for stem separation, remixing, mashups and creating playable instruments from any song.
1.2M visits/mo
Pricing
No public pricing
Basic: $0 (unlimited MP3 stems & remixes)
Plus: $10/mo or $100/yr (WAV, pro stems, plugins, API)
Core features
- ✦Brief/text-to-audio production
- ✦2,600+ voices across 17 providers
- ✦Dynamic creative: thousands of ad variants
- ✦Embeddable white-label render API
- ✦Long-form/audiobook generation (StoryEngine)
- ✦Self-serve console and programmatic scale
- ✦Stem separation (vocals, drums, bass, melody and more)
- ✦Remix and mashup maker
- ✦Siren playable-instrument generator
- ✦DrumGPT drum-kit creation
- ✦MIDI detection
- ✦WAV downloads and plugins on Plus
Use cases
- →Scaled audio advertising
- →Personalized/hyperlocal ad variants
- →Audiobooks and long-form narration
- →Embedding audio production in a product
- →Extracting vocals or instrumentals from tracks
- →Building remixes and mashups without experience
- →Producing music with AI-generated stems and kits
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