Fitbit Flex 2 vs. Sony SmartBand Talk vs. Polar M430 vs. Polar A370 vs. Diesel On Full Guard 2.5

 
Flex 2
SmartBand Talk
M430
A370
On Full Guard 2.5
 FitbitFlex 2Remove Buy NowSonySmartBand TalkRemove Buy NowPolarM430Remove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$100$170$255$179.95$325
Release20162014201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days30 hoursUp to 3 days4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a296 x 128128x128160 x 80454x454
Sizen/a1.4 inches1.4 inch1.18 inches1.39 inches
Touchn/a
TypeLEDE InkLCDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68WR30WR303 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables