Fitbit Flex 2 vs. Moov Now vs. Amazfit Arc vs. Garmin 645 Music vs. Polar A370

 
Flex 2
Now
Arc
645 Music
A370
 FitbitFlex 2Remove Buy NowMoovNowRemove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$100$79$69.99$450$179.95
Release20162015201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months20 days7 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a72 x40240 x 240160 x 80
Sizen/an/a0.42 inches1.2 inches1.18 inches
Touchn/an/a
TypeLEDn/aOLEDMIPTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/aIP675 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables