Pebble Time Round vs. Polar A370 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex vs. Apple Watch Ultra

 
Time Round
A370
On Full Guard 2.5
T-Rex
Watch Ultra
 PebbleTime RoundRemove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$179.95$325$140$799
Release20152017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 daysUp to 3 days4 days20 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80454x454360 x 360502x410 pixels
Sizeround1.18 inches1.39 inches1.3 inches1.92 inches
Touch
Typee-paperTFT LCDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7WR303 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSBuild-inWatchOS 9
Apps
Music

All Wearables