Pebble Classic vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit T-Rex

 
Classic
SmartBand 2
ZenWatch 3
Ionic
T-Rex
 PebbleClassicRemove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99$130$229$299$140
Release20132015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days48 hours4+ days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a400 x 400348x250360 x 360
Size1.26 inchesn/a1.39 inches1.421.3 inches
Touchn/a
Typee-papern/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP5850m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2Fitbit OSBuild-in
Apps
Music

All Wearables