Fitbit Alta vs. Fitbit Charge 2 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Garmin Forerunner 45

 
Alta
Charge 2
Ionic
WSD-F20A
Forerunner 45
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$130$150$299$399$199
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4+ days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250320 x 320208 x 208
Sizen/an/a1.421.32 inches1.04 inches
Touchn/an/a
TypeOLEDOLEDOLEDLCDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a50m5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aFitbit OSWear OSBuilt-in
Apps
Music

All Wearables