Fitbit Alta HR vs Fitbit Flex

Fitbit Alta HR Fitbit Flex

Basic Info

Wear TypeWristbandWristband
Price$9800$9995Both have the same price
Ratings

Activity & Fitness

Activity Yes YesBoth track daily activity
Calories Yes YesBoth show estimated calories burned
Sleep Yes YesBoth can track your sleep
Heart Rate / Pulse Yes NoFitbit Alta HR has built-in heart rate monitor
Distance Yes YesBoth track your running/walking distance
Steps Yes YesBoth track and count your steps
Stairs / Floors No NoBoth don't track climbing stairs or floors
Exercise Tagging Yes NoOnly Fitbit Alta HR provides exercise tagging
Smart Coach No NoBoth don't have coaching feature
Goal Setting Yes YesBoth can help with your goals setting
Inactivity Alertn/an/aBoth don't have inactivity alerts

Additional Features

GPS No NoBoth don't have built-in GPS support
Compassn/an/aBoth 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/an/aBoth don't have music playback
ReportsActivity, SleepActivity, Sleep

Smartphone Remote Features

Notifications Yes NoIf you get a phone notification, Fitbit Alta HR make an alert for you
Caller ID Yes NoFitbit Alta HR can notify you who is calling
Music Control No NoBoth don't have phone music control
Call Controln/an/aBoth don't have call control
Camera Controln/an/aBoth don't have camera control
Find Phonen/an/aBoth don't have a find phone feature

Battery

Duration7 days5 daysFitbit Alta HR battery life is about 1.4 times longer
Battery TypeRechargeable BatteryRechargeable Battery

Physical Specs

Weather Resistance No Yes
Waterproof No No
IP Ratingn/an/a
Weightn/an/a

User Interface

DisplayOLED ScreenLED Lights
Display Sizen/an/a
Screen Resolution n/a n/a
Color Displayn/an/a
Touch Screenn/an/a

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 Yes YesBoth compatible with Windows Phone devices
Windows Yes YesBoth can help find your smartphone
Web Portal No YesFitbit Flex allows you upload and view data on the online portal
Social Featuresn/an/aBoth don't have social features

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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Fitbit Alta HR

Fitbit Flex