Pebble Classic vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Fitbit Flex vs. Amazfit GTR

 
Classic
ZenWatch 3
Ionic
Flex
GTR
 PebbleClassicRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$99$229$299$100$199
Release20132017201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days48 hours4+ days5 days24 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144400 x 400348x250NA454 x 454
Size1.26 inches1.39 inches1.42NA1.39 inches
TouchNA
Typee-paperAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wear 2Fitbit OSNABuild-in
Apps
Music

All Wearables