Fitbit Alta vs. Fitbit Charge 2 vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Diesel On Full Guard

 
Alta
Charge 2
Flex 2
Stratos
On Full Guard
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowDieselOn Full GuardRemove Buy Now

Basic Info

Suggested Price$130$150$100$199$325
Release20162016201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a320 x 300454 x 454
Sizen/an/an/a1.34 inches1.4 inches
Touchn/an/an/a
TypeOLEDOLEDLEDOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5 ATM5 ATMIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aProprietaryAndroid Wear 2.0
Apps
Music

Wearables by Diesel

Diesel On Full Guard 2.5

All Wearables