Pebble 2 vs. Fitbit Alta vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Garmin Forerunner 45

 
2
Alta
Flex
Vivofit 4
Forerunner 45
 Pebble2Remove Buy NowFitbitAltaRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$129$130$100$79.95$199
Release20162016201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days1 year7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA88 x 88208 x 208
Sizen/an/aNANA1.04 inches
Touchn/aNA
Typee-paperOLEDLEDNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aNABuilt-in
Apps
Music

All Wearables