Fitbit Flex 2 vs. Apple Watch Series 2 vs. Amazfit Arc vs. Polar A370 vs. Fitbit Inspire HR

 
Flex 2
Watch Series 2
Arc
A370
Inspire HR
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitArcRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$269$69.99$179.95$99
Release20162016201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours20 daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 31272 x40160 x 80139 x 60
Sizen/a1.5 inches or 1.65 inches0.42 inches1.18 inches1.4 inches
Touchn/a
TypeLEDAMOLEDOLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATMIP67WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSFitbit OS
Apps
Music

All Wearables