Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Sony SmartBand 2 vs. Apple Watch Series 2 vs. HTC re Grip

 
Flex 2
Vivofit 3
SmartBand 2
Watch Series 2
re Grip
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowSonySmartBand 2Remove Buy NowAppleWatch Series 2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$100$130$269$199
Release20162016201520162020

Activity & Fitness

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

Battery

Duration5 days1 year2 days18 hours5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/a64 x 64n/a340 x 272 or 390 x 312160 x 32
Sizen/a0.55 inchesn/a1.5 inches or 1.65 inches1.8 inches
Touchn/an/a
TypeLEDn/an/aAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP585ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OSNA
Apps
Music

All Wearables