ECG Tracker+ EKG Reader HRV

Get more from your Apple Watch ECGs. Explore HRV and QTc estimates, compare recordings over time, and keep notes for your next doctor visit.

Explore your Apple Watch ECGs in detail, follow changes over time, and keep useful records for conversations with your doctor.

ECG Tracker+ brings your ECG recordings from Apple Health into one organized library. Review interactive waveforms, explore estimated measurements, add context to your recordings, and revisit your results on iPhone and Apple Watch.

TAKE A CLOSER LOOK Zoom into your ECG waveform and explore the shape of a beat with Beat Morphology. See available measurements alongside the recording, with explanations to help you understand the terminology.

• Heart rate and beat-to-beat RR intervals • Heart rate variability (HRV), including rMSSD and SDNN • QT and corrected QT (QTc), with a choice of correction formulas • PR interval, P-wave duration, and QRS duration

Review highlighted possible premature beats and repeating patterns, including PACs, PVCs, bigeminy, and trigeminy. Measurements and findings depend on the recording and signal quality and may not always be available.

SEE YOUR RECORDINGS OVER TIME Explore charts for heart rate, HRV, QTc, and other ECG measurements. Compare periods and return to individual recordings for more detail. Use the Heart Rate Timeline to view Apple Health heart rate readings alongside the times you recorded an ECG.

KEEP THE CONTEXT THAT MATTERS Add notes and symptom tags so you can remember how you felt when you recorded an ECG. Find recordings with notes, set aside ECGs for your next visit, and keep questions for your doctor with the relevant recording.

SHARE A CLEARER RECORD Export PDF reports with your ECG waveform, measurements, and notes. Bring the details you want to discuss to an appointment or share a report directly from your iPhone.

REVISIT RESULTS ON YOUR WATCH Browse recent recordings, view waveforms and available measurements, and check trends from your wrist. The companion app displays results processed on your paired iPhone and synced to Apple Watch.

ANALYSIS ON YOUR IPHONE Your ECG recordings are analyzed on your iPhone without uploading them to a cloud analysis service. No account is required. ECG Tracker+ reads from Apple Health without changing your Health records.

START FREE Get three free full ECG analyses each month, including PDF export for those unlocked recordings. Recordings unlocked with your free allowance remain unlocked. An optional subscription adds unlimited analysis and full Trends access.

Requires ECG recordings in Apple Health. Record new ECGs using Apple's ECG app on a supported Apple Watch. The companion app requires the paired iPhone for analysis and syncing.

ECG Tracker+ is an informational measurement tool and is not a medical device. It does not provide medical advice, diagnosis, or treatment.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/