Fitbit Alta vs. Polar Loop 2 vs. Apple Watch Series 2 vs. Apple Watch vs. HTC re Grip

 
Alta
Loop 2
Watch Series 2
Watch
re Grip
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$120$269$349$199
Release20162015201620152020

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)18 hours18 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312340 x 272 or 390 x 312160 x 32
Sizen/an/a1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.8 inches
Touchn/a
TypeOLEDLEDAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM5ATMIPX7IP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSWatch OSNA
Apps
Music

All Wearables