Pebble Steel vs. Pebble Time Round vs. Fitbit Zip vs. Diesel On Full Guard vs. Amazfit T-Rex

 
Steel
Time Round
Zip
On Full Guard
T-Rex
 PebbleSteelRemove Buy NowPebbleTime RoundRemove Buy NowFitbitZipRemove Buy NowDieselOn Full GuardRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$60$325$140
Release20142015201220172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days6 months1 day20 days
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 144n/an/a454 x 454360 x 360
Size1.26 inchesroundn/a1.4 inches1.3 inches
Touch
Typee-papere-papern/aOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7Splash ResistantIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables