Fitbit Flex 2 vs. Polar Loop 2 vs. Apple Watch Series 2 vs. Amazfit GTS vs. Apple SE

 
Flex 2
Loop 2
Watch Series 2
GTS
SE
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitGTSRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$120$269$150$279
Release20162015201620192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)18 hours14 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312348 x 442384 x 480
Sizen/an/a1.5 inches or 1.65 inches1.65 inches40mm
Touchn/a
TypeLEDLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM2 ATM5ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWear OSWatchOS 5
Apps
Music

All Wearables