Fitbit Flex 2 vs. Amazfit Bip vs. Asus ZenWatch vs. Fitbit Alta HR vs. Fitbit Sense 2

 
Flex 2
Bip
ZenWatch
Alta HR
Sense 2
 FitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$99.99$150$150$300
Release20162018201420172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 daysNA7 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a176 x 176320 x 320128 x 36336x336
Sizen/a1.28 inches1.63 inches1.4 inches1.59 inches
Touchn/a
TypeLEDNAAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68IP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear
Apps
Music

All Wearables