Fitbit Ionic vs. Amazfit Bip vs. Fitbit Flex vs. Polar A370 vs. HTC re Grip

 
Ionic
Bip
Flex
A370
re Grip
 FitbitIonicRemove Buy NowAmazfitBipRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$299$99.99$100$179.95$199
Release20172018201320172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days30 days5 daysUp to 3 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250176 x 176NA160 x 80160 x 32
Size1.421.28 inchesNA1.18 inches1.8 inches
TouchNA
TypeOLEDNALEDTFT LCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP681 ATMWR30IP57

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNANA
Apps
Music

All Wearables