Fitbit Alta vs. Polar Loop 2 vs. Fitbit Flex vs. Pebble Core vs. Apple Watch 7

 
Alta
Loop 2
Flex
Core
Watch 7
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$120$100$99$429
Release20162015201320162021

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days8 days (without notifications)5 daysNA18 Hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNANA396 x 484
Sizen/an/aNANA1.9 inches
Touchn/aNANA
TypeOLEDLEDLEDNAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM1 ATMNAwater resistant but not waterproof

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aNANAWatchOS 8
Apps
Music

All Wearables