Sense	Versa 3	Versa 2	Charge 4	Inspire 2
Battery life (in days)	6+	6+	6+	7	10
Water resistance	50m	50m	50m	50m	50m
Tracks activity & sleep	✔	✔	✔	✔	✔
24/7 heart rate & AZM	✔	✔	✔	✔	✔
Text, call & app notifications	✔	✔	✔	✔	✔
Store & play music	✔	✔	✔	✘	✘
Hundreds of apps & clock faces	✔	✔	✔	✘	✘
Alexa & Google Assistant	Yes	Yes	Alexa Built-in	No	No
Built-in GPS	✔	✔	✘	✔	✘
Stress tracking w/ EDA sensor	✔	✘	✘	✘	✘
ECG app & skin temperature	✔	✘	✘	✘	✘
High & low heart rate alerts	✔	✘	✘	✘	✘

Meet Fitbit Sense—the advanced health smartwatch that helps you tune in to your body and guides you toward better health. Assess your heart for AFib right from your wrist, detect and manage stress, better understand your sleep quality and even keep an eye on patterns in your skin temperature or well-being with SpO2. Plus, Sense unlocks a 6-month free trial of personalized guidance and advanced insights for new Fitbit Premium users.