Fitbit Flex 2 vs. Moov Now vs. Amazfit Stratos vs. Garmin Forerunner 45 vs. HTC re Grip

 
Flex 2
Now
Stratos
Forerunner 45
re Grip
 FitbitFlex 2Remove Buy NowMoovNowRemove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 45Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$79$199$199$199
Release20162015201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months5 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 300208 x 208160 x 32
Sizen/an/a1.34 inches1.04 inches1.8 inches
Touchn/an/a
TypeLEDn/aOLEDLCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryBuilt-inNA
Apps
Music

All Wearables