Fitbit Flex 2 vs. Amazfit Bip vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Flex 2
Bip
Forerunner 235
Alta HR
Vivosmart 4
 FitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$99.99$299.99$150$130
Release20162018201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days9 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a176 x 176215 x 180128 x 3648 x 128
Sizen/a1.28 inches1.23 inches1.4 inches0.74 inches
Touchn/a
TypeLEDNAMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/a
Apps
Music

All Wearables