Echo Chamber: AI Transcription

On-device transcription. Live captions, AI polish, AI notes and summaries. Your voice never leaves your phone.

Echo Chamber is the on-device voice transcription app for meetings, lectures, and dictation. Record audio, get a live transcript as you speak, and polish it with AI — all without sending your voice to the cloud.

Built for students and professionals who need accurate transcription, fast.

THE WAY TRANSCRIPTION SHOULD WORK • 100% on-device — your audio never leaves your phone • Live transcript appears as you speak • Tap to bookmark a moment without stopping • Auto-detects pauses, speakers, and topic shifts

BUILT FOR REAL CONVERSATIONS • Meeting Raw, Close-Up, AirPods, and Bluetooth presets • Switch microphones mid-recording without dropping the session • Auto-pause on phone calls, auto-resume when done • Bookmarks survive pauses, backgrounding, and crashes

ORGANIZE, POLISH, EXPORT • Tag every recording (Meeting, Idea, Note, Lecture) • AI-polished readable transcript alongside the raw verbatim • Search every word across every recording, instantly • Export to TXT, Markdown, PDF, or DOCX

ECHO CHAMBER PRO Unlock unlimited recording length, all AI features, audio / video upload, batch enhancement, and priority support. • Pro Monthly — $2.99/month • Pro Yearly — $29.99/year (save 16%)

PRIVACY, BY DEFAULT Echo Chamber processes everything locally using Apple's on-device speech APIs and our own packaged AI models. No servers, no analytics that watch your content, no third party SDKs that profile you. Audio is encrypted at rest with AES-256-GCM.

REQUIREMENTS iPhone running iOS 18 or later. Larger language models work best on iPhone 15 Pro or newer.

Subscriptions auto-renew until cancelled in Settings → Apple ID → Subscriptions.

Privacy Policy: https://obsidianridgelabs.com/privacy