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By Fitbit, Inc.

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Live a healthier, more active life with Fitbit, the top app for tracking all-day activity, workouts and health.

Use this app on its own to track basic activity and runs, or connect with Fitbit’s line of activity trackers and the Aria Smart Scale to get a complete picture of your daily stats—including steps, distance, calories burned, sleep, weight, and more.


TRACK ALL-DAY ACTIVITY: Track your daily steps and distance right on your smartphone with MobileTrack for iPhone 5s, 6, and 6 Plus. MobileTrack accurately tracks your basic activity when you carry your phone. For more in-depth, all day tracking of stats like calories burned, active minutes, and sleep, pair the app with a Fitbit tracker.

ELEVATE YOUR TRAINING: Track stats and routes for runs, hikes, and walks with MobileRun. See your pace, splits, time, distance and route maps in real time. Record workouts and use the monthly exercise calendar to follow your training program. (Continued use of GPS running in the background can dramatically decrease battery life.)

LOG FOOD: Easily log calories with a credible food database. Use our barcode scanner or use the quick calorie estimator for customized entries.

ACHIEVE YOUR GOALS: Set goals, enter your weight, record your sleep and start a food plan. Then view your progress and track your trends with easy-to-read charts and graphs.

COMPETE WITH FRIENDS: Enlist friends and family to help you reach your goals by sharing stats, joining fitness challenges, direct-messaging each other, and competing on leaderboards.

SYNC WIRELESSLY: Fitbit trackers continuously sync your stats with your iPhone 4S and later to give you real-time access to your progress without plugging in.

OUTSMART YOUR WEIGHT: Connect wirelessly to the Aria Wi-Fi Smart Scale to seamlessly track your weight, activity and more.

Learn more about Fitbit products and services at

What's New in Version 2.9.1

Bug fixes

iPhone Screenshot

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Customer Reviews

Buggy and crashes

I've been using my Fitbit and the app for about a month now... I've never written a review before, but this app frustrates me so much that I want to throw my phone across the room when using it. I have an iPhone 6 - and it freezes constantly when inputting food or exercises. I have to wait 10+ seconds for it to catch up and let me keep going. Other times it freezes and then crashes the app. And the most annoying thing lately is it freezes, I can't even press the home circle key once or twice, or the side key to get out of the app. It is that frozen, then it gives me a blue screen, and my phone restarts. I love the lay out of the app, and how easy it is to input food compared to the jawbone one. But theses bugs are driving me mental!!!

Love it

It is the app that really makes this piece of kit so awesome. They interact well with each other. Would be amazing if there was a way to build in some interval training tools... It has the heart rate and gps, it also has a vibration, so would be perfect to get the little buzz for when it's time to pick up or slow down...

Brilliant but

This app is brilliant and I would recommend it to anyone WITH a Fitbit device (apart from zip since I read that zip can't sync with app)
I just wish that Fitbit would put in pull down force sync cos I keep doing it and it's getting on my nerves. Otherwise it's a brilliant app with great graphics and it easy to use so don't change anything else.

View In iTunes
  • Free
  • Category: Health & Fitness
  • Updated:
  • Version: 2.9.1
  • Size: 20.7 MB
  • Languages: English, French, German, Italian, Japanese, Korean, Simplified Chinese, Spanish
  • Seller:

Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5, iPhone 6, and iPhone 6 Plus.

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