Fitbit One vs. Fitbit Zip vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Fitbit Flex

 
One
Zip
Watch Series 2
645 Music
Flex
 FitbitOneRemove Buy NowFitbitZipRemove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$60$269$450$100
Release20122012201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days6 months18 hours7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312240 x 240NA
Sizen/an/a1.5 inches or 1.65 inches1.2 inchesNA
TouchNA
TypeOLEDn/aAMOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantSplash Resistant5ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSNA
Apps
Music

All Wearables