Apple Watch Series 3 vs. Fitbit Ionic vs. Fitbit Charge vs. Fitbit Flex vs. Fitbit Inspire 3

 
Watch Series 3
Ionic
Charge
Flex
Inspire 3
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$329$299$130$100$100
Release20172017201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days7-10 days5 days10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250NANA32x18
Size1.5 inches or 1.65 inches1.42NANA46 inches
TouchNANA
TypeAMOLEDOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSNANA
Apps
Music

All Wearables