Pebble Time Round vs. Diesel On Full Guard vs. Fitbit Charge 3 vs. Fitbit Flex vs. Amazfit GTR

 
Time Round
On Full Guard
Charge 3
Flex
GTR
 PebbleTime RoundRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$325$150$100$199
Release20152017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day7 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a454 x 45466 x 18NA454 x 454
Sizeround1.4 inches.721 inchesNA1.39 inches
TouchNA
Typee-paperOMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wear 2.0NANABuild-in
Apps
Music

All Wearables