Polar M400 vs. Apple Watch Series 2 vs. Jawbone UP4 vs. Mobvoi TicWatch S2 vs. Apple Watch 7

 
M400
Watch Series 2
UP4
TicWatch S2
Watch 7
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowJawboneUP4Remove Buy NowMobvoiTicWatch S2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$269$200$180$429
Release20142016201520192021

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hoursNA2 DAYS18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA400 x 400396 x 484
Sizen/a1.5 inches or 1.65 inchesNA1.39 inches1.9 inches
TouchNA
Typen/aAMOLEDNAOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATMNA5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWear OSWatchOS 8
Apps
MusicNA

All Wearables