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The smartwatch market in 2026 splits cleanly into two camps: do-it-all smartwatches and serious sport watches. We compared health sensors, battery life, durability and ecosystem to find the best of each.
The Apple Watch Ultra 3 is the best smartwatch for iPhone users and the most capable all-rounder. Its 3000-nit always-on display is brilliant outdoors, the health suite now includes ECG, SpO2 and blood-pressure trends, and the titanium case shrugs off abuse. Battery lasts up to 42 hours.
Display1.92" LTPO3 OLED, 3000 nits
BatteryUp to 42 h (72 h low power)
HealthECG, SpO2, temperature, BP
Price€839
The Garmin Fenix 8 Solar is the ultimate watch for athletes and the outdoors. Solar charging stretches battery life to weeks, multi-band GPS is pinpoint accurate, and it's rated to 10 ATM for diving. If you train hard or go off-grid, nothing else comes close on endurance.
Display1.4" AMOLED, sapphire
BatteryUp to 48 days with solar
Durability10 ATM, multi-band GPS
Price€999
How we choose
We weigh health and fitness tracking accuracy, battery life, display quality, durability, app ecosystem and value. We favour watches with reliable sensors and long software support. Prices change often, so always check the current price before buying.
Frequently asked questions
What is the best smartwatch in 2026?
The Apple Watch Ultra 3 is the best for most people, especially iPhone users, thanks to its bright display, complete health sensors and rugged titanium build. The Garmin Fenix 8 Solar is the best for athletes and multi-day battery life.
Apple Watch Ultra 3 or Garmin Fenix 8 Solar?
Pick the Apple Watch Ultra 3 if you use an iPhone and want the best all-round smartwatch. Pick the Garmin Fenix 8 Solar if you prioritise weeks of battery, advanced sport metrics and dive-grade durability.