Fitbit Alta vs. Polar Loop 2 vs. Amazfit Bip vs. Pebble Time 2 vs. Garmin Vivosmart 4

 
Alta
Loop 2
Bip
Time 2
Vivosmart 4
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowPebbleTime 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$120$99.99$199$130
Release20162015201820162018

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)30 days10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a176 x 176NA48 x 128
Sizen/an/a1.28 inchesNA0.74 inches
Touchn/a
TypeOLEDLEDNAe-paperOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATMIP683 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aPebble OS
Apps
Music

All Wearables