Polar M400 vs. Misfit Flash vs. Polar Loop 2 vs. Amazfit Bip vs. Apple Watch Series 4

 
M400
Flash
Loop 2
Bip
Watch Series 4
 PolarM400Remove Buy NowMisfitFlashRemove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$30$120$99.99$329
Release20142014201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months8 days (without notifications)30 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a176 x 176384 x 480
Sizen/an/an/a1.28 inches1.78 inches
Touchn/a
Typen/an/aLEDNAMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM2 ATMIP68Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OS 5
Apps
Music

All Wearables