Fitbit Surge vs. Motorola Moto 360 (2nd Gen) vs. Amazfit Arc vs. Fitbit Charge 3 vs. Polar A370

 
Surge
Moto 360 (2nd Gen)
Arc
Charge 3
A370
 FitbitSurgeRemove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowAmazfitArcRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$250$300$69.99$150$179.95
Release20162015201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1.5 days20 days7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a360 x 325 or 360 x 33072 x4066 x 18160 x 80
Size1.26 inches1.37 inches or 1.56 inches0.42 inches.721 inches1.18 inches
Touch
TypeMonochrome LCDLCDOLEDOLEDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67IP675 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNA
Apps
Musicn/a

All Wearables