Pebble Time 2 vs. Jawbone UP4 vs. Polar A370 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Time 2
UP4
A370
On Full Guard 2.5
T-Rex
 PebbleTime 2Remove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$199$200$179.95$325$140
Release20162015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 daysNAUp to 3 days4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANA160 x 80454x454360 x 360
SizeNANA1.18 inches1.39 inches1.3 inches
TouchNA
Typee-paperNATFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMNAWR303 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNAWear OSBuild-in
Apps
MusicNA

All Wearables