Fitbit Alta vs. Diesel On Full Guard vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Amazfit GTS

 
Alta
On Full Guard
Forerunner 235
Flex
GTS
 FitbitAltaRemove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$325$299.99$100$150
Release20162017201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day9 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x 454215 x 180NA348 x 442
Sizen/a1.4 inches1.23 inchesNA1.65 inches
Touchn/aNA
TypeOLEDOMOLEDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2.0NAWear OS
Apps
Music

All Wearables