Fitbit Flex 2 vs. Fitbit Ionic vs. Amazfit Bip vs. Michael Kors Access Sofie HR vs. Amazfit T-Rex

 
Flex 2
Ionic
Bip
Access Sofie HR
T-Rex
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitBipRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$299$99.99$395$140
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days30 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250176 x 176390 x 390360 x 360
Sizen/a1.421.28 inches1.19 inches1.3 inches
Touchn/a
TypeLEDOLEDNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP680.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSBuild-in
Apps
Music

All Wearables