Fitbit Flex 2 vs. Polar A360 vs. Amazfit Stratos vs. Garmin Forerunner 45 vs. Apple Watch 7

 
Flex 2
A360
Stratos
Forerunner 45
Watch 7
 FitbitFlex 2Remove Buy NowPolarA360Remove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$200$199$199$429
Release20162015201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days5 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 80320 x 300208 x 208396 x 484
Sizen/a1.18 inches1.34 inches1.04 inches1.9 inches
Touchn/a
TypeLEDn/aOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryBuilt-inWatchOS 8
Apps
Music

All Wearables