Pebble Time Steel vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Charge vs. Garmin Vivosmart 4

 
Time Steel
Flex 2
WSD-F20A
Charge
Vivosmart 4
 PebbleTime SteelRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$100$399$130$130
Release20152016201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 days5 days1 day7-10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a320 x 320NA48 x 128
Size1.26 inchesn/a1.32 inchesNA0.74 inches
Touchn/aNA
Typee-paperLEDLCDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSNA
Apps
Music

All Wearables