Best ECG Smartwatches to Buy in 2026 – Apple, Samsung, Pixel & More
Electrocardiogram (ECG or EKG) sensors have become a must-have health feature in modern smartwatches. In 2026, leading brands like Apple, Samsung, Google, Fitbit, Withings, and Garmin now offer FDA-cleared ECG apps that can record your heart rhythm, detect signs of atrial fibrillation (AFib), and share results with your doctor — all from your wrist.
List of Best ECG Smartwatches in 2026
Apple Watch Series 11 / Ultra 3
Specs:
ECG: Yes (FDA-cleared)
OS: watchOS 12
Battery: 36–72 hours (Ultra 3)
Compatibility: iPhone only
Apple remains the gold standard for ECG monitoring. The new Series 11 and Ultra 3 maintain FDA clearance and add improved rhythm detection, enhanced AFib history reports, and hypertension notifications through watchOS 12.
👉 Buy Apple Watch Ultra 3 on Amazon
👉 Buy Apple Watch Series 11 on Amazon
Why It’s Worth It: Seamless ECG experience, top-tier accuracy, and deep integration with Apple Health.
Ideal For: iPhone users seeking clinical-grade ECG accuracy and a premium smartwatch experience.
Check details:
Apple Watch Series 11 Review (2025) — Smarter Health and Everyday Intelligence
Apple Watch Ultra 3 Review (2025) — Peak Endurance Meets Apple Intelligence
Samsung Galaxy Watch 8 / Galaxy Watch Ultra
Specs:
ECG: Yes (FDA-cleared in supported regions)
OS: Wear OS 5 + One UI Watch
Battery: ~40–60 hours
Compatibility: Android (best with Samsung phones)
Samsung’s Galaxy Watch 8 and Galaxy Watch Ultra combine ECG and blood pressure tracking into one advanced health platform. The ECG readings are FDA-cleared in approved regions, and the rugged Ultra variant offers excellent durability and battery life.
👉 Buy Samsung Galaxy Watch 8 on Amazon
👉 Buy Samsung Galaxy Watch Ultra on Amazon
Why It’s Worth It: Dual ECG and BP support, long-lasting battery, and reliable health sensors.
Ideal For: Android users — especially Galaxy phone owners — who want a powerful health-focused watch.
Google Pixel Watch 4
Specs:
ECG: Yes (FDA-cleared)
OS: Wear OS 5 (Fitbit integration)
Battery: ~40 hours
Compatibility: Android only
The Pixel Watch 4 refines Google’s health ecosystem by combining Fitbit’s ECG app with AI-backed Loss of Pulse Detection (FDA-cleared). It delivers highly accurate readings and real-time irregular rhythm alerts.
Why It’s Worth It: Compact design, intelligent ECG alerts, and deep Fitbit integration.
Ideal For: Android users who want advanced health and safety features in a sleek smartwatch.
Fitbit Sense 2
Specs:
ECG: Yes (FDA-cleared)
OS: Fitbit OS
Battery: ~6 days
Compatibility: Android & iOS
The Fitbit Sense 2 remains one of the best all-around health watches with ECG, AFib notifications, stress tracking, and temperature sensors. Despite newer releases in other ecosystems, it continues to deliver accurate and reliable heart readings.
Why It’s Worth It: Simple ECG setup, cross-platform compatibility, and long battery life.
Ideal For: Users who prefer Fitbit’s clean interface and all-day health tracking.
👉 Buy on Amazon
Fitbit Charge 6
Specs:
ECG: Yes (FDA-cleared via Fitbit app)
Type: Fitness band
Battery: ~7 days
Compatibility: Android & iOS
If you prefer a slim band to a full watch, the Fitbit Charge 6 is a standout. It’s the only fitness tracker that supports FDA-cleared ECG measurements, offering AFib detection and detailed heart reports in a compact form.
Why It’s Worth It: Affordable, discreet, and still medically reliable.
Ideal For: Minimalist users who want ECG and health tracking without bulk.
👉 Buy on Amazon
Withings ScanWatch 2 / Nova
Specs:
ECG: Yes (FDA-cleared)
Type: Hybrid smartwatch
Battery: ~30 days
Compatibility: Android & iOS
Withings continues to master the hybrid health smartwatch segment. The ScanWatch 2 and Nova combine analog luxury design with medical-grade ECG accuracy, 5ATM water resistance, and body temperature tracking.
Why It’s Worth It: Stylish design, long battery life, and trusted medical data accuracy.
Ideal For: Users who prefer a traditional analog look with clinical ECG capability.
👉 Buy on Amazon
Garmin Venu 4 / Forerunner 970 / Fenix 8 Pro
Specs:
ECG: Yes (region-limited rollout)
OS: Garmin proprietary
Battery: 12–14 days
Compatibility: Android & iOS
Garmin has rolled out ECG functionality across premium models like the Venu 4, Forerunner 970, and Fenix 8 Pro. It delivers ECG and AFib screening features where approved, while maintaining Garmin’s top-tier athlete performance analytics.
👉 Buy on Forerunner 970 Amazon
Why It’s Worth It: Combines ECG capability with unmatched sports metrics and rugged endurance.
Ideal For: Athletes who want performance insights with ECG built-in.
👉 Buy on Amazon
Comparison Table
| Model | ECG Support | Battery | Best For |
|---|---|---|---|
| Apple Watch S11/Ultra 3 | ✅ FDA-cleared | 36–72 hrs | iPhone users wanting top ECG experience |
| Galaxy Watch 8/Ultra | ✅ FDA-cleared (region-based) | ~40–60 hrs | Android/Samsung users |
| Pixel Watch 4 | ✅ FDA-cleared | ~40 hrs | Android users with Google/AI features |
| Fitbit Sense 2 | ✅ FDA-cleared | ~6 days | Cross-platform health users |
| Fitbit Charge 6 | ✅ FDA-cleared | ~7 days | Minimalist ECG users |
| Withings ScanWatch 2/Nova | ✅ FDA-cleared | ~30 days | Analog lovers with ECG focus |
| Garmin Venu 4/Fenix 8 Pro | ✅ Region-limited | 12–14 days | Athletes with heart monitoring needs |
Final Verdict
For 2026, the Apple Watch Series 11 and Ultra 3 remain the most complete ECG solutions — precise, FDA-cleared, and deeply integrated with iPhone health data.
Android users will find the Galaxy Watch 8, Galaxy Watch Ultra, and Pixel Watch 4 as excellent alternatives, each offering accurate ECG readings and modern health ecosystems.
If you prefer Fitbit’s simplicity, both Sense 2 and Charge 6 remain strong, budget-friendly ECG options. For style and endurance, Withings ScanWatch 2/Nova and Garmin Venu 4/Fenix 8 Pro complete the lineup with elegant design and sports-grade functionality.
FAQ
1. Are ECG readings from smartwatches accurate?
Yes. FDA-cleared ECG smartwatches from Apple, Samsung, Fitbit, and others provide single-lead readings that are highly accurate for AFib detection — though not a replacement for clinical 12-lead ECGs.
2. Do all ECG watches work globally?
No. ECG features are region-specific based on regulatory approval. Check your country’s supported list before purchasing.
3. Can ECG smartwatches detect heart attacks?
No. They can detect irregular heart rhythms like AFib, but not heart attacks or blockages.
4. Which ECG watch has the best battery life?
Withings ScanWatch 2/Nova lead with up to 30 days of battery life, followed by Garmin’s lineup at around 12–14 days.
5. Are ECG data and reports shareable with doctors?
Yes. Most watches, including Apple, Fitbit, and Garmin, allow you to export ECG PDFs for your physician.
