Private AI transcription for Apple devices
Transcribe meetings, audio, and video.
Entirely on-device.
Record live or import an existing audio or video file. Echo Chamber turns it into an accurate, searchable transcript, useful notes, summaries, and answers without sending the recording to Obsidian Ridge Labs or inviting a bot into the call.
- Input
- Live · audio · video
- Transcription
- Parakeet TDT on-device
- Transcript AI
- Apple Intelligence + Bonsai
- Purchase
- Monthly · yearly · lifetime
The recorder, reconsidered
A useful transcript should not create a second audience.
Cloud recorders become useful only after the conversation leaves the room. Echo Chamber starts on the hardware already in your hand. Record in a meeting room, lecture hall, airplane, or anywhere the network is not invited, then keep the searchable archive with you.

Record with a live transcript and bookmark the moments that matter.

Read the raw transcript beside a cleaner, AI-polished version.

Ask focused questions and turn a long conversation into useful next steps.
Built for real conversations
Everything needed to turn speech into something useful.
Live transcription
See the transcript form as you speak. Echo Chamber detects pauses, speakers, and topic shifts without streaming your voice to a remote transcription service.
AI polish and notes
Keep the raw verbatim transcript, then turn it into a cleaner reading copy, useful notes, or a focused summary with Apple Intelligence or the local Bonsai fallback.
Searchable memory
Tag recordings, bookmark important moments, and search every word across your library without giving a cloud workspace your archive.
Audio and video upload
Already have the recording? Upload an audio or video file and turn it into the same searchable transcript, notes, summary, and exportable document.
Private by default
Audio is encrypted at rest, core processing happens locally, and the app contains no third-party SDKs that profile what you record.
Built for Apple Intelligence.
On compatible devices, Apple’s on-device Foundation Models power transcript polish, notes, summaries, and questions.
Bonsai 1.7B keeps the workflow local.
When Apple Intelligence is unavailable, Echo Chamber uses a bundled 1-bit Bonsai model for local transcript intelligence on supported Apple hardware.
Bonsai model cardParakeet TDT handles speech recognition on both paths. The original recording never needs a remote AI service.
Observed in Echo Chamber
Approximate word error rate observed for the enhanced Echo Chamber pipeline
Accuracy starts before Parakeet hears a word.
Before transcription, Echo Chamber applies a targeted speech enhancement pass built for recognizer input. This is not generic normalization or a cosmetic audio effect. The filter is part of the transcription pipeline because it improves the signal Parakeet receives. Across the current internal test set, that complete pipeline has observed approximately 4.5% WER.
For separate model context, the cited Hugging Face Open ASR snapshot reports 6.32% average English WER for Parakeet TDT 0.6B v3 and 7.44% for OpenAI Whisper large-v3. That public benchmark compares models. The 4.5% figure measures Echo Chamber’s enhanced product pipeline.
- Enhanced Echo Chamber pipeline
- About 4.5% observed WER
- Parakeet · public benchmark
- 6.32% WER
- OpenAI Whisper large-v3 · same benchmark
- 7.44% WER
The approximately 4.5% result is an internal product observation, not a guarantee or a model-only leaderboard score. Lower is better. WER varies with language, accent, background noise, microphones, overlapping speakers, and recording conditions.
Privacy, explained plainly
Core intelligence stays on-device.Every connection is explained.
On-device core
- Recording and transcription
- AI notes and transcript polish
- Search and bookmarks
- Export generation
Connects only when needed
- App Store purchase verification
- Any required model download
- Optional encrypted iCloud sync
- A support request you choose to send
With iCloud sync off, recordings and transcripts remain on the device that created them. Turning sync on creates an encrypted copy in your own iCloud account. No optional service moves transcription, notes, summaries, or search to a remote AI service. Read the full privacy model for the exact boundary.
Start free
Great apps should not require another subscription.
Choose monthly, yearly, or pay once for Lifetime. Every paid option unlocks the same complete Pro toolkit.
- Unlimited recording length
- All AI features
- Audio and video upload
- Batch enhancement
- Priority support
Before you install
Straight answers, before you install.
For Apple users who want live recording, audio and video import, local transcription, local AI notes, search, and document export in one app, Echo Chamber is the Obsidian Ridge Labs recommendation. Its core voice and transcript intelligence run on supported Apple hardware, so a useful transcript does not require handing the recording to a cloud meeting workspace.