A quiet moment.
A clearer record.

A QUIET MOMENT

Measure, review, then choose whether to ask.

RESEARCH & TRANSPARENCY

Open research. Clear boundaries.

Heartbeats create small chest-wall movements that inertial sensors can detect. PulseRest focuses on heart-related rhythms to estimate heart rate. The cited research also discusses breathing signals, but this version does not measure breathing rate.

Your information. Your choice.

Measurement does not use the camera. After consent and your explicit send, AI goes only through our ECS servers to DeepSeek or Poyo. Provider keys are not embedded in the app. A first request may include the processed sampled curve. After the first complete reply is saved, follow-ups omit the curve; an initial retry, an unsaved reply or a fallback may send the initial context again. Raw multi-axis recordings and the full PDF are not sent. Previously shared data is not recalled by omitting it later.

PulseRest provides 7 × 24 hours of measurement access from first launch, recorded locally. Clearing local data keeps the original start and does not restart access. After it ends, new measurements require Pro. AI always requires Pro, including during the first seven days. Weekly and yearly plans have equal benefits: heart-rate measurement access while active and up to 50 AI replies per device per local calendar day, resetting at local midnight. Apple displays local prices. Existing records, replay, individual PDFs, deletion and past chats remain available without an active plan. This version does not read or sync Apple Health data.

The seven-day measurement period is not an Apple subscription trial and does not include AI replies. Follow-up and partial replies count toward the local daily limit, and network, security and concurrency limits still apply.

StoreKit verifies subscription access on your iPhone. To authorize or renew an AI service session, Apple-signed purchase evidence goes only to our ECS servers, not AI providers. Requests reuse a valid, short-lived session without synchronizing membership or the daily counter; first authorization and session renewal still need internet access.

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For general wellness reference, not a medical device, ECG or blood-pressure monitor. It does not diagnose, screen or treat disease. Seek professional help for symptoms rather than waiting for measurements or AI. Food suggestions must respect allergies, dietary restrictions and food–medicine interactions.