Open-source audio transcoding proxy that renders variants on demand from signed URLs
Cloud Android emulators for app developers and coding agents
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
US
Pricing model
Free
Freemium
Pricing
Open source and free to self-host
Free: $0, 30 minutes a month, 1 device at a time. Hobby: $2/month, 200 minutes a month, 1 device at a time. Pro: $10/month, Unlimited minutes, 2 devices at a time. Enterprise: Custom pricing.
Key features
On-demand audio transcoding from signed URLs
Multiple output formats: MP3, AAC, M4A, Opus, Ogg, FLAC, WAV, and peaks
Audio trimming, fades, gain and EBU R128 loudness normalization
Speech cleanup with enhance:voice preset
Waveform peaks generation compatible with audiowaveform
Expiring URLs excluded from cache key
Render stream while encoding with real-time caching
Range-capable seeking for cached variants
Immutable cache with long-lived variant URLs
Audio-only enforcement preventing video processing
Test Android APK builds in a hosted emulator via browser
Give coding agents device control to test and verify builds
GitHub pull request preview environments
Share live device sessions with reviewers by link
Support for Kotlin, Jetpack Compose, Expo, React Native, and Flutter
CLI and MCP access for agents
Isolated and cleaned up build environments
Scoped GitHub token access for builds
Hot reload support and adb access
Terminal trial without account signup
What makes it different
URL-based API with no request bodies or server-side state
Options normalize to same cache key regardless of order
Streams first render to client while caching simultaneously
Range-seeking on cached variants with CDN-friendly immutable policies
Open source with Elixir implementation and reference signing algorithms
No Android Studio or local setup required—test directly in browser
Isolated environments automatically cleaned up after each session
Scoped repository access with short-lived tokens for security
Integrate coding agents directly with device control
Seamless GitHub pull request integration with live preview links
audioproxy
Ramus