Fitbit Flex 2 vs. Fitbit Ionic vs. Fitbit Flex vs. Pebble Core vs. Amazfit GTS

 
Flex 2
Ionic
Flex
Core
GTS
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$299$100$99$150
Release20162017201320162019

Activity & Fitness

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

Battery

Duration5 days4+ days5 daysNA14 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250NANA348 x 442
Sizen/a1.42NANA1.65 inches
Touchn/aNANA
TypeLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSNANAWear OS
Apps
Music

All Wearables