Pebble Time vs. Pebble Time Round vs. Pebble Time Steel vs. Jawbone UP4 vs. Amazfit T-Rex

 
Time
Time Round
Time Steel
UP4
T-Rex
 PebbleTimeRemove Buy NowPebbleTime RoundRemove Buy NowPebbleTime SteelRemove Buy NowJawboneUP4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$250$200$140
Release20152015201520152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days10 daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a168 x 144NA360 x 360
Size1.26 inchesround1.26 inchesNA1.3 inches
TouchNA
Typee-papere-papere-paperNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSPebble OSNABuild-in
Apps
MusicNA

All Wearables