Polar M400 vs. Fitbit One vs. Fitbit Zip vs. Polar Loop 2 vs. Diesel On Full Guard 2.5

 
M400
One
Zip
Loop 2
On Full Guard 2.5
 PolarM400Remove Buy NowFitbitOneRemove Buy NowFitbitZipRemove Buy NowPolarLoop 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$200$100$60$120$325
Release20142012201220152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days6 months8 days (without notifications)4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/an/a454x454
Sizen/an/an/an/a1.39 inches
Touch
Typen/aOLEDn/aLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast ResistantSplash Resistant2 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/aWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables