Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Jawbone UP4 vs. Polar A370

 
Flex 2
Forerunner 235
Alta HR
UP4
A370
 FitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$100$299.99$150$200$179.95
Release20162017201720152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days7 daysNAUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 180128 x 36NA160 x 80
Sizen/a1.23 inches1.4 inchesNA1.18 inches
Touchn/aNA
TypeLEDMIPOLEDNATFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNAWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
MusicNA

All Wearables