Fitbit Flex 2 vs. Fitbit One vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Garmin Vivosmart 4

 
Flex 2
One
Ionic
G-Shock GBA800
Vivosmart 4
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$100$299$120$130
Release20162012201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days4+ days2 years7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x25048 x 128
Sizen/an/a1.420.74 inches
Touchn/a
TypeLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant50m20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OS
Apps
Music

All Wearables