Fitbit Charge 2 vs. Amazfit Arc vs. Amazfit Bip vs. Fitbit Charge HR vs. Polar A370

 
Charge 2
Arc
Bip
Charge HR
A370
 FitbitCharge 2Remove Buy NowAmazfitArcRemove Buy NowAmazfitBipRemove Buy NowFitbitCharge HRRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$69.99$99.99$150$179.95
Release20162016201820152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days30 days5 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40176 x 176NA160 x 80
Sizen/a0.42 inches1.28 inchesNA1.18 inches
Touchn/aNA
TypeOLEDOLEDNAOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP67IP681 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables