Fitbit Flex 2 vs. Huawei Talkband B2 vs. Amazfit Arc vs. Fitbit Alta HR vs. Apple Watch 7

 
Flex 2
Talkband B2
Arc
Alta HR
Watch 7
 FitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$180$69.99$150$429
Release20162015201620172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days20 days7 days18 Hours
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 8872 x40128 x 36396 x 484
Sizen/a0.73 inches0.42 inches1.4 inches1.9 inches
Touchn/a
TypeLEDPMOLEDOLEDOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP57IP67water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatchOS 8
Apps
Music

All Wearables