Pebble Steel vs. Fitbit Flex 2 vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Steel
Flex 2
Charge
Flex
Vivosmart 4
 PebbleSteelRemove Buy NowFitbitFlex 2Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$100$130$100$130
Release20142016201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days7-10 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/aNANA48 x 128
Size1.26 inchesn/aNANA0.74 inches
Touchn/aNANA
Typee-paperLEDOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNANA
Apps
Music

All Wearables