Pebble Time vs. Pebble Time Steel vs. Polar M400 vs. Apple Watch Series 2 vs. Garmin Vivofit 4

 
Time
Time Steel
M400
Watch Series 2
Vivofit 4
 PebbleTimeRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$250$200$269$79.95
Release20152015201420162018

Activity & Fitness

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

Battery

Duration7 days10 days8 hours to 30 days18 hours1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144168 x 144n/a340 x 272 or 390 x 31288 x 88
Size1.26 inches1.26 inchesn/a1.5 inches or 1.65 inchesNA
Touch
Typee-papere-papern/aAMOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM5ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/aWatch OS
Apps
Music

All Wearables