Fitbit Alta vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Garmin Forerunner 45

 
Alta
Charge
Flex
Vivofit 4
Forerunner 45
 FitbitAltaRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$130$130$100$79.95$199
Release20162014201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days5 days1 year7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA88 x 88208 x 208
Sizen/aNANANA1.04 inches
Touchn/aNANA
TypeOLEDOLEDLEDNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNANABuilt-in
Apps
Music

All Wearables