Fitbit Alta vs. Fitbit Zip vs. Diesel On Full Guard vs. Fitbit Charge vs. Polar A370

 
Alta
Zip
On Full Guard
Charge
A370
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitChargeRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$130$60$325$130$179.95
Release20162012201720142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months1 day7-10 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454 x 454NA160 x 80
Sizen/an/a1.4 inchesNA1.18 inches
Touchn/aNA
TypeOLEDn/aOMOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash ResistantIP671 ATMWR30

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NA
Apps
Music

All Wearables