Fitbit Flex 2 vs. Fitbit One vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Amazfit GTS

 
Flex 2
One
Forerunner 235
Alta HR
GTS
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$100$299.99$150$150
Release20162012201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days9 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a215 x 180128 x 36348 x 442
Sizen/an/a1.23 inches1.4 inches1.65 inches
Touchn/a
TypeLEDOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables