Apple Watch Series 3 vs. Fitbit One vs. Fitbit Ionic vs. Mobvoi TicWatch E vs. Amazfit T-Rex

 
Watch Series 3
One
Ionic
TicWatch E
T-Rex
 AppleWatch Series 3Remove Buy NowFitbitOneRemove Buy NowFitbitIonicRemove Buy NowMobvoiTicWatch ERemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$100$299$159$140
Release20172012201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours10-14 days4+ days1.5-2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a348x250400 x 400360 x 360
Size1.5 inches or 1.65 inchesn/a1.421.4 inches1.3 inches
Touch
TypeAMOLEDOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant50mIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aFitbit OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables