Every specification engineered around one principle: your voice, your AI, your data.
Dual MEMS microphones with DSP noise cancellation capture crystal-clear audio whether you're in a boardroom, a café, or the field. Lossless FLAC encoding preserves every nuance for perfect transcription.
Connect Claude, GPT-4, or Gemini via your own API key. Switch providers anytime. We never hold your key — it lives on your device only.
800+ hours of compressed audio or 200+ hours lossless. Everything stays on-device until you choose to sync via Bluetooth.
AES-256 encryption from the first second of recording. Your API key never leaves your phone — Open Pulse servers are never in the loop.
A full work week on one charge. USB-C restores from empty in under two hours. Battery status shown in the companion app in real time.
Full-featured companion app with transcripts, smart summaries, speaker labels, and action-item extraction — generated by your AI of choice.
No internet required to capture. Connect only when you want a summary. Ideal for confidential meetings, secure facilities, or remote fieldwork.
BLE 5.2 keeps battery drain minimal while delivering instant file transfers. iOS users get automatic background sync — no app required open.
| Feature | Open Pulse | Hardware Recorder A | AI Transcription B | AI Transcription C |
|---|---|---|---|---|
| Monthly Subscription | ✓ None | ~$10/mo | ~$17/mo | ~$29/mo |
| Local Storage | ✓ 64 GB | 32 GB | ✕ Cloud | ✕ Cloud |
| Bring Your Own LLM | ✓ 3 providers | ✕ Locked | ✕ | ✕ |
| AES-256 Encryption | ✓ | Partial | ✕ | ✕ |
| Fully Offline | ✓ | ✓ | ✕ | ✕ |
| Data Training | Never | See policy | ✕ Trains | See policy |
| Battery Life | 30 hours | ~16 hours | N/A | N/A |
| Storage | 64 GB | ~32 GB | Cloud | Cloud |
| One-time Price | $169 Early · $259 Retail | ~$169 | Sub only | Sub only |
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