Fitbit Flex 2 vs. Huawei Talkband B2 vs. Garmin Vivosmart 4 vs. HTC re Grip vs. Apple Watch 7

 
Flex 2
Talkband B2
Vivosmart 4
re Grip
Watch 7
 FitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$180$130$199$429
Release20162015201820202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days7 days5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 8848 x 128160 x 32396 x 484
Sizen/a0.73 inches0.74 inches1.8 inches1.9 inches
Touchn/a
TypeLEDPMOLEDOLEDPMOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP575 ATMIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 8
Apps
Music

All Wearables