Fitbit Flex 2 vs. Huawei Talkband B2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Apple Series 6

 
Flex 2
Talkband B2
Stratos
Alta HR
Series 6
 FitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$180$199$150$399
Release20162015201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days5 days7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 88320 x 300128 x 36384 x 480
Sizen/a0.73 inches1.34 inches1.4 inches40mm
Touchn/a
TypeLEDPMOLEDOLEDOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryWatchOS 5
Apps
Music

All Wearables