Fitbit Ionic vs. Pebble Time 2 vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Pebble Core

 
Ionic
Time 2
Flex
Vivofit 4
Core
 FitbitIonicRemove Buy NowPebbleTime 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$299$199$100$79.95$99
Release20172016201320182016

Activity & Fitness

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

Battery

Duration4+ days10 days5 days1 yearNA
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250NANA88 x 88NA
Size1.42NANANANA
TouchNANA
TypeOLEDe-paperLEDNANA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m3 ATM1 ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemFitbit OSPebble OSNANA
Apps
Music

All Wearables