Fitbit Ionic vs. Fitbit Flex vs. Pebble Core vs. Apple Watch Series 4 vs. Fitbit Versa 2

 
Ionic
Flex
Core
Watch Series 4
Versa 2
 FitbitIonicRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$299$100$99$329$199
Release20172013201620182019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration4+ days5 daysNANot Yet5 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250NANA384 x 480300 x 300
Size1.42NANA1.78 inches1.34 inches
TouchNANA
TypeOLEDLEDNAMicroLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATMNANot Yet5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemFitbit OSNANAWatch OS 5Build-in
Apps
Music

All Wearables