Pebble 2 vs. Fitbit Alta vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Fitbit Charge

 
2
Alta
Flex 2
645 Music
Charge
 Pebble2Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$129$130$100$450$130
Release20162016201620182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days7 days7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a240 x 240NA
Sizen/an/an/a1.2 inchesNA
Touchn/an/aNA
Typee-paperOLEDLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aNA
Apps
Music

All Wearables