Pebble Steel vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Apple Watch Series 5 vs. Amazfit T-Rex

 
Steel
Flex 2
ZenWatch 3
Watch Series 5
T-Rex
 PebbleSteelRemove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatch Series 5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$100$229$329$140
Release20142016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days48 hoursNot Yet20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a400 x 400384 x 480360 x 360
Size1.26 inchesn/a1.39 inches1.78 Inches1.3 inches
Touchn/a
Typee-paperLEDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2WatchOS 5Build-in
Apps
Music

All Wearables