Fitbit Alta vs. Polar Loop 2 vs. Amazfit Arc vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2

 
Alta
Loop 2
Arc
On Full Guard 2.5
Versa 2
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAmazfitArcRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$130$120$69.99$325$199
Release20162015201620182019

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)20 days4 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a72 x40454x454300 x 300
Sizen/an/a0.42 inches1.39 inches1.34 inches
Touchn/a
TypeOLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATMIP673 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables