Fitbit Flex 2 vs. Amazfit Bip vs. Garmin 645 Music vs. Jawbone UP24 vs. Polar Loop

 
Flex 2
Bip
645 Music
UP24
Loop
 FitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowJawboneUP24Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$99.99$450$130$100
Release20162018201820132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days7 days14 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a176 x 176240 x 240NANA
Sizen/a1.28 inches1.2 inchesNANA
Touchn/aNA
TypeLEDNAMIPNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATMSplash Resistant2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables