Fitbit Charge 2 vs. Fitbit Ionic vs. Polar M430 vs. Amazfit Stratos

 
Charge 2
Ionic
M430
Stratos
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowPolarM430Remove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$150$299$255$199
Release2016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days30 hours5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250128x128320 x 300
Sizen/a1.421.4 inch1.34 inches
Touchn/a
TypeOLEDOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50mWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSProprietary
Apps
Music

All Wearables