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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 2.19

New app icon!

iPhone Screenshot

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Customer Reviews

Love It!!

I really love the use of the app and I use it everyday. I think the sleep aspect of it is really interesting and I love meeting my goals in everything. However, when wanting to maintain your weight I think it would be helpful to have a setting that means your goal calorie intake is however many calories you burn that day. Because you may do more or less activity each day you will need to eat more or less depending on your energy output. This will really help people wanting to maintain weight.

Also I think the ranges of food needs to be updated with more options.

Overall, apart from those small sections, this is a great app and I highly recommend fitbit to many people.

Sick of having to login after every update!

The only problem I've had with this app is having to login after every update, and lately the updates have been so frequent that I'm having this problem at least once a week. When I'm out, I don't want to have to access the internet just to check the fitbit one that I'm wearing inside my clothes, that I would rather not have to half undress in public to access. Part of the point of the app is that you can access data on your phone without having to look at the fitbit itself. None of my other apps require logging in again after every update.

Best update ever!

I was overjoyed to see that this app finally had a new icon!! At last, I would not have to look at that tired old icon any longer while opening the app!

The 45MB update for the new icon did not disappoint. The icon is all that I had ever imagined, and more! The colours are amazingly vibrant! Everything is just so much better now!

Well done, Fitbit! Keep those awesome improvements coming! Might I suggest maybe upgrading the colour of the "calories burned" icon next?

View In iTunes
  • Free
  • Category: Health & Fitness
  • Updated:
  • Version: 2.19
  • Size: 36.7 MB
  • Languages: English, French, German, Italian, Japanese, Korean, Simplified Chinese, Spanish
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

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