Apple Watch Series 3 vs. Fitbit Flex 2 vs. Polar A360 vs. Apple SE vs. Fitbit Sense 2

 
Watch Series 3
Flex 2
A360
SE
Sense 2
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowPolarA360Remove Buy NowAppleSERemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$329$100$200$279$300
Release20172016201520202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days12 days18 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a160 x 80384 x 480336x336
Size1.5 inches or 1.65 inchesn/a1.18 inches40mm1.59 inches
Touchn/a
TypeAMOLEDLEDn/aMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aWatchOS 5
Apps
Music

All Wearables