Pebble Time vs. Polar Loop 2 vs. Casio WSD-F20A vs. Pebble Time 2 vs. Jawbone UP4

 
Time
Loop 2
WSD-F20A
Time 2
UP4
 PebbleTimeRemove Buy NowPolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$150$120$399$199$200
Release20152015201820162015

Activity & Fitness

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

Battery

Duration7 days8 days (without notifications)1 day10 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a320 x 320NANA
Size1.26 inchesn/a1.32 inchesNANA
TouchNA
Typee-paperLEDLCDe-paperNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM3 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSPebble OSNA
Apps
MusicNA

All Wearables