Fitbit Flex 2 vs. Microsoft Band 2 vs. Apple Watch vs. Apple Watch Series 4 vs. HTC re Grip

 
Flex 2
Band 2
Watch
Watch Series 4
re Grip
 FitbitFlex 2Remove Buy NowMicrosoftBand 2Remove Buy NowAppleWatchRemove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$250$349$329$199
Release20162015201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)18 hoursNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128340 x 272 or 390 x 312384 x 480160 x 32
Sizen/a1.36 inches1.5 inches or 1.65 inches1.78 inches1.8 inches
Touchn/a
TypeLEDCapacitative TFTAMOLEDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IPX7Not YetIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWatch OS 5NA
Apps
Music

All Wearables