Polar M400 vs. Misfit Ray vs. Diesel On Full Guard vs. Pebble Time 2 vs. Apple Watch 7

 
M400
Ray
On Full Guard
Time 2
Watch 7
 PolarM400Remove Buy NowMisfitRayRemove Buy NowDieselOn Full GuardRemove Buy NowPebbleTime 2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$100$325$199$429
Release20142016201720162021

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1 day10 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a454 x 454NA396 x 484
Sizen/an/a1.4 inchesNA1.9 inches
Touchn/a
Typen/aLEDOMOLEDe-paperMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP673 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Pebble OSWatchOS 8
Apps
Music

All Wearables