Sony SmartBand 2 vs. Fitbit Alta HR vs. Fitbit Flex vs. Jawbone UP4 vs. Amazfit GTR

 
SmartBand 2
Alta HR
Flex
UP4
GTR
 SonySmartBand 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$150$100$200$199
Release20152017201320152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 days5 daysNA24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 36NANA454 x 454
Sizen/a1.4 inchesNANA1.39 inches
Touchn/aNANA
Typen/aOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP581 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANABuild-in
Apps
MusicNA

All Wearables