Fitbit Flex 2 vs. Fitbit Zip vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. HTC re Grip

 
Flex 2
Zip
Watch Series 2
G-Shock GBA800
re Grip
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$60$269$120$199
Release20162012201620182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months18 hours2 years5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312160 x 32
Sizen/an/a1.5 inches or 1.65 inches1.8 inches
Touchn/a
TypeLEDn/aAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant5ATM20 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSNA
Apps
Music

All Wearables