How we test wearables Every smartwatch and fitness tracker reviewed on Stuff is worn 24/7 throughout the testing process. An arm band will give more accurate heart rate readings in certain activities, but it’s an optional extra. This is smoother than reaching for your phone first, though you’ll still have to edit them in Garmin Connect post-workout to match the specific activity type. Should you buy the Garmin Cirqa in 2026? While I’m already invested in the comprehensive Connect app, I know it has a somewhat steep learning curve.