Fitbit Alta vs. Fitbit Zip vs. Garmin 645 Music vs. Fitbit Flex

 
Alta
Zip
645 Music
Flex
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$60$450$100
Release2016201220182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240NA
Sizen/an/a1.2 inchesNA
Touchn/aNA
TypeOLEDn/aMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables