Pebble Steel vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit T-Rex vs. HTC re Grip

 
Steel
ZenWatch 3
Ionic
T-Rex
re Grip
 PebbleSteelRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$229$299$140$199
Release20142017201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days48 hours4+ days20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144400 x 400348x250360 x 360160 x 32
Size1.26 inches1.39 inches1.421.3 inches1.8 inches
Touch
Typee-paperAMOLEDOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wear 2Fitbit OSBuild-inNA
Apps
Music

All Wearables