Fitbit One vs. Amazfit Arc vs. Motorola Moto 360 (1st Gen) vs. Fitbit Flex vs. HTC re Grip

 
One
Arc
Moto 360 (1st Gen)
Flex
re Grip
 FitbitOneRemove Buy NowAmazfitArcRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$69.99$150$100$199
Release20122016201420132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days20 days1 day5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40320 x 260NA160 x 32
Sizen/a0.42 inches1.56 inchesNA1.8 inches
TouchNA
TypeOLEDOLEDLCDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP67IP671 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANA
Apps
MusicNA

All Wearables