Fitbit One vs. Amazfit Bip vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Fitbit Flex

 
One
Bip
Alta HR
Charge 3
Flex
 FitbitOneRemove Buy NowAmazfitBipRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$99.99$150$150$100
Release20122018201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days30 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a176 x 176128 x 3666 x 18NA
Sizen/a1.28 inches1.4 inches.721 inchesNA
TouchNA
TypeOLEDNAOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP685 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables