Fitbit Alta vs. Fitbit Flex 2 vs. Amazfit Bip vs. Garmin Forerunner 235 vs. Apple Series 6

 
Alta
Flex 2
Bip
Forerunner 235
Series 6
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowGarminForerunner 235Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$100$99.99$299.99$399
Release20162016201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days30 days9 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a176 x 176215 x 180384 x 480
Sizen/an/a1.28 inches1.23 inches40mm
Touchn/an/a
TypeOLEDLEDNAMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATMIP685 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatchOS 5
Apps
Music

All Wearables