Fitbit Alta vs. Microsoft Band 2 vs. Polar Loop 2 vs. Amazfit Bip vs. Amazfit T-Rex

 
Alta
Band 2
Loop 2
Bip
T-Rex
 FitbitAltaRemove Buy NowMicrosoftBand 2Remove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$250$120$99.99$140
Release20162015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)8 days (without notifications)30 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128n/a176 x 176360 x 360
Sizen/a1.36 inchesn/a1.28 inches1.3 inches
Touchn/a
TypeOLEDCapacitative TFTLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX72 ATMIP685 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aBuild-in
Apps
Music

All Wearables