Echo Live vs Voicebox

Echo Live changes microphone audio in real time through AI voice conversion and digital signal processing. Its desktop app includes AI voices, live effects, a soundboard, and Voice Lab for making custom effects. The soundboard imports WAV, MP3, OGG, and FLAC files; users can reuse boards and assign hotkeys to individual sounds. Changed audio can go through a virtual microphone or cable for use in Discord, games, OBS, Zoom, and Google Meet.

Echo Lite is a Chrome extension that processes effects, AI voices, and soundboard mixing on-device and connects to supported calling websites. Separate Android and iOS apps offer speech-to-speech conversion, text-to-speech, and voice effects. Echo supports DirectML GPU acceleration on Windows and CoreML on Apple Silicon Macs. The maker says voice processing runs locally and audio is not sent to its servers. The free plan is listed at free. During Alpha, all features are free, though the maker reserves the option to add paid tiers or limits later. Echo Pro is listed without a price.

Voicebox is a free, open-source local AI voice studio for voice cloning, speech generation, dictation, and agent voice output. Its desktop app can clone a voice from as little as three seconds of audio, supplied by file, microphone recording, or system capture. The maker lists seven text-to-speech engines for cloning, preset voices, and delivery control. A timeline editor supports multi-voice narratives, arranging tracks, trimming clips, and mixing conversations; effects include pitch shift, reverb, delay, and compression. Dictation uses a global shortcut to send transcripts to the focused text field or clipboard, with local Whisper models supporting 99 languages. MCP-aware agents such as Claude Code, Cursor, and Cline can speak through Voicebox, and a local REST API provides speech generation and related functions. The privacy policy says the offline desktop app requires no account and does not send recordings, profiles, transcripts, generations, or settings to the maker. Local is free with unlimited local generations and captures. Cloud and mobile sync are marked as coming soon, and cloud pricing and limits are not final.