Fitbit Flex 2 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Pebble Core vs. Amazfit GTS

 
Flex 2
Watch Series 2
Ionic
Core
GTS
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowPebbleCoreRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$269$299$99$150
Release20162016201720162019

Activity & Fitness

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

Battery

Duration5 days18 hours4+ daysNA14 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312348x250NA348 x 442
Sizen/a1.5 inches or 1.65 inches1.42NA1.65 inches
Touchn/aNA
TypeLEDAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM50mNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSFitbit OSNAWear OS
Apps
Music

All Wearables