Fitbit Charge 2 vs. Apple Watch Series 2 vs. Fitbit Flex vs. Fitbit Inspire HR vs. HTC re Grip

 
Charge 2
Watch Series 2
Flex
Inspire HR
re Grip
 FitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$269$100$99$199
Release20162016201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA139 x 60160 x 32
Sizen/a1.5 inches or 1.65 inchesNA1.4 inches1.8 inches
Touchn/aNA
TypeOLEDAMOLEDLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAFitbit OSNA
Apps
Music

All Wearables