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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 2.6.3

- Redesigned graphs and history screens for Steps, Distance, Calories Burned, Floors, and Active Minutes
- Added access to tracker 101 Quick Start Guides from the device settings screens
- Food Plan calories left for the day and realtime in-the-zone gauge are now consistent with the website
- Bug fixes

iPhone Screenshot

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Customer Reviews

My Little Personal Dietician

It is so much more convenient to use the app than having to log into my computer. I find myself checking my calories burned throughout the day and it is cool that it updates how many more or less calories I can have so I am less likely to overdue it. I love the step counter but you have to tweak what you enter for your stride length or it will give you an inaccurate count. But oh man does it excite me every time my wrist buzzes because I've hit my steps goal for the day! It has a more extensive food list for calorie counting than other apps I've used. The encouraging comments and countdowns towards my goal are really motivating.

The calculates activity level and estimates caloric burn because there isn't an option to document your effort during the activity. I think it uses your heart rate for estimating but if my machines say I burned more I feel cheated when the Fitbit says I didn't. Maybe it's some sort of reverse psychology??? Eh, I just delete the apps' estimates and enter my own. No big deal but if you don't notice this and enter your own workout calories burned the calories burned will be erroneously high. Another con is the sleep isn't accurate. I can see how long I sleep but it doesn't catch every time I wake up which is what I wanted to know (ie how restless is my sleep). I am still pleased despite these cons.

Simple & Elegant Design - A pleasure to use

I’ve found both the app and the laptop version of this software easy to use, and elegant in design. It has kept me motivated, and encouraged throughout my use over the past two months. I don’t feel like I’m on a diet, or an exercise regimen, but I think and act with regards to food and fitness so differently now. I make a conscious decision about everything I eat now, but in a good way, rather than an obsessive way. The fitbit allows me to know what is working. Keeping an accurate and detailed log of my food with the app in combination with the exercise logged by the fitbit allows me peace of mind with everything. I finally feel like I am finally working towards a realizable lifestyle change that will be permanent and enjoyable. I’ve lost 16 pounds so far, but it has been a pleasure doing it. The simple encouragements and positive responses from the app make me feel good about everything I’m doing, and the food log entry is a snap. There is a very large database of just about every kind of food you can imagine, and from so many different sources. Figuring out how to locate the food in the list is easy with just a few basic key words bringing you what you need to enter quickly. This product is changing my life in a huge and positive way!

Mostly okay

This app is functional enough. I don’t think it’s always very intuitive. I figured it out eventually, but something simple, like how to add exercise is a real pain. It seems wonky at times - you have the option of including any number of data points: steps taken, calories burned, ounces of water consumed, food log, exercise. While it’s cool to have all those, tor some reason some of these disappear/reappear when I open the app. Easy enough to change, but seems like there’s a bug.
I utterly hate the ‘track exercise” feature. If you want to add an exercise that for some reason your Fitbit doesn’t track accurately, it leaves a lot to be desired. For one, I could see my exercise, but took awhile to figure out how to add a new one (the icon that looks like a stopwatch??). Secondly, i you make a mistake in what you enter, there’s no edit feature. You have to delete it and start over. And finally, at least on the iPhone app, you don’t have to option of entering the intensity level of your exercise. I took an hour spin class and it told me I burned about 300 calories. No way, I know it’s closer to around 600. Not an option. Entering treadmill information, it seems to assume my pace based on my daily steps, but I know exactly how fast I run on the treadmill because I can adjust it. If I changed the time, it adjusted the pace, which is very annoying.

View In iTunes
  • Free
  • Category: Health & Fitness
  • Updated: Feb 04, 2015
  • Version: 2.6.3
  • Size: 10.3 MB
  • Languages: English, French, German, Italian, Japanese, Ko, Simplified Chinese, Spanish
  • Seller: Fitbit, Inc.

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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