Polar Loop Crystal vs Polar M400

Polar Loop Crystal Polar M400

Basic Info

Wear TypeWristbandWristband
Price$27595
Ratings

Activity & Fitness

Activity Yes YesBoth track daily activity
Calories Yes YesBoth track calories burned
Sleep Yes YesBoth track sleep pattern
Heart Rate / Pulse No NoBoth don't monitor heart rate
External HR Monitor No Yes
VO2 Max No YesYou can monitor your VO2 max with Polar M400
Distance Yes YesBoth track your stride length
Steps Yes YesBoth track and count your steps
Pace No Yes
Stairs / Floors No YesPolar M400 counts your climbing stairs or floors
Exercise Tagging Yes NoOnly Polar Loop Crystal provides exercise tagging
Smart Coach Yes YesBoth can help with smart coaching
Goal Setting Yes YesBoth can help with your goals setting
Inactivity Alertn/a YesPolar M400 helps you stay active with inactivity alert

Additional Features

GPS No YesPolar M400 has GPS support
Compassn/a NoBoth don't have a compass
Watch / Clock Yes YesBoth have watch
Alarm Clock Yes YesBoth have alarm clock
Reminders Yes YesBoth have reminder app
Stopwatch No NoBoth don't have stopwatch
Music Playbackn/a NoBoth don't have music playback
ReportsActivity, SleepActivity, Sleep

Smartphone Remote Features

Notifications Yes YesBoth show smartphone notifications
Caller ID No YesPolar M400 can notify you who is calling
Music Control No NoBoth don't have phone music control
Call Controln/a YesPolar M400 allows you control phone calls
Camera Controln/a NoBoth don't have camera control
Find Phonen/a NoBoth don't have a find phone feature

Battery

Duration8 days24 daysPolar M400 battery life is about 3.0 times longer
Battery Typen/aRechargeable Battery

Physical Specs

Weather Resistance Yes Yes
Waterproof No No
IP Ratingn/a3 ATM
Weight38 grams57 gramsPolar Loop Crystal is 19.0 g lighter

User Interface

DisplayLED Lights Yes
Display Sizen/an/a
Screen Resolution n/a 128 x 128 pixels
Color Displayn/a No
Touch Screenn/a No

Compatibility

Android Yes YesBoth compatible with Android devices
iOS Yes YesBoth compatible iOS devices
OS X/Mac Yes YesBoth compatible MAC OS X laptops and PCs
Windows Phone No YesPolar M400 compatibles with a range of Windows Phone devices
Windows Yes YesBoth can help find your smartphone
Web Portal Yes YesBoth have access to online web portal
Social Featuresn/a YesYou can integrate Polar M400 with social networks and share information

Connectivity

Bluetooth Yes YesBoth have Bluetooth data transfer technology
Wi-Fi No NoBoth don't have Wi-Fi connection
NFC No NoBoth don't have NFC connectivity
ANT+ No NoBoth don't provide ANT+ wireless technology
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Polar Loop Crystal

Polar M400