Fitbit Flex 2 vs. Fitbit Zip vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Jawbone UP4

 
Flex 2
Zip
645 Music
Forerunner 235
UP4
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$100$60$450$299.99$200
Release20162012201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 days9 daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240215 x 180NA
Sizen/an/a1.2 inches1.23 inchesNA
Touchn/aNA
TypeLEDn/aMIPMIPNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant5 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
MusicNA

All Wearables