Fitbit Flex 2 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Garmin Chronos vs. Garmin Forerunner 45

 
Flex 2
Watch Series 2
Ionic
Chronos
Forerunner 45
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowGarminChronosRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$269$299$1500$199
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours4+ days8 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312348x250218 x 218208 x 208
Sizen/a1.5 inches or 1.65 inches1.421.2 inches1.04 inches
Touchn/a
TypeLEDAMOLEDOLEDMIPLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM50m10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSFitbit OSWear OSBuilt-in
Apps
Music

All Wearables