Fitbit One vs. Fitbit Ionic vs. Polar A370 vs. Polar Loop vs. HTC re Grip

 
One
Ionic
A370
Loop
re Grip
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$299$179.95$100$199
Release20122017201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ daysUp to 3 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250160 x 80NA160 x 32
Sizen/a1.421.18 inchesNA1.8 inches
Touch
TypeOLEDOLEDTFT LCDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50mWR302 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNANA
Apps
Music

All Wearables