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

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

Basic Info

Suggested Price$250$130$100$399$130
Release20152016201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 days5 days5 days1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/a320 x 32048 x 128
Size1.26 inchesn/an/a1.32 inches0.74 inches
Touchn/an/a
Typee-paperOLEDLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aWear OS
Apps
Music

All Wearables