Fitbit Flex 2 vs. Pebble Time 2 vs. Fitbit Alta HR vs. Pebble Core vs. Apple Watch 7

 
Flex 2
Time 2
Alta HR
Core
Watch 7
 FitbitFlex 2Remove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$199$150$99$429
Release20162016201720162021

Activity & Fitness

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

Battery

Duration5 days10 days7 daysNA18 Hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA128 x 36NA396 x 484
Sizen/aNA1.4 inchesNA1.9 inches
Touchn/aNA
TypeLEDe-paperOLEDNAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMNAwater resistant but not waterproof

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aPebble OSNAWatchOS 8
Apps
Music

All Wearables