Pebble Steel vs. Samsung Gear S2 vs. Fitbit Alta HR vs. Fitbit Flex vs. Garmin Vivofit 4

 
Steel
Gear S2
Alta HR
Flex
Vivofit 4
 PebbleSteelRemove Buy NowSamsungGear S2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$300$150$100$79.95
Release20142015201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2-3 days7 days5 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution168 x 144360 x 360128 x 36NA88 x 88
Size1.26 inches1.2 inches1.4 inchesNANA
TouchNA
Typee-paperSuper AMOLEDOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP681 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSTizenNA
Apps
Music

All Wearables