Fitbit Charge 2 vs. Fitbit Flex 2 vs. Fitbit Zip vs. Garmin Forerunner 935 vs. Garmin 645 Music

 
Charge 2
Flex 2
Zip
Forerunner 935
645 Music
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$150$100$60$500$450
Release20162016201220172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days6 monthsUp to 2 weeks7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a240 x 240240 x 240
Sizen/an/an/a1.2 inches1.2 inches
Touchn/an/a
TypeOLEDLEDn/aLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplash Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables