Fitbit Alta vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Amazfit Stratos vs. Asus VivoWatch

 
Alta
Flex 2
Talkband B2
Stratos
VivoWatch
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$130$100$180$199$160
Release20162016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 days5 days24 hours to 10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 88320 x 300128 x 128
Sizen/an/a0.73 inches1.34 inchesNA
Touchn/an/a
TypeOLEDLEDPMOLEDOLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATMIP575 ATMIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aProprietaryKoodOS
Apps
Music

All Wearables