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By Fitbit, Inc.

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Live a healthier, more active life with Fitbit, the world’s leading app for tracking all-day activity, workouts, sleep and more. Use the app on its own to track basic activity and runs on your phone, or connect with one of Fitbit’s many activity trackers and the Aria Wi-Fi Smart Scale to get a complete picture of your health—including steps, distance, calories burned, sleep, weight, and more.

TRACK ACTIVITY: Accurately record your steps and distance with MobileTrack when you carry your phone. For all-day tracking of stats like calories burned, active minutes, and sleep, pair the app with a Fitbit tracker.

RUN SMARTER: Enhance runs, walks and hikes by using MobileRun to track your pace, time and distance. You can also control your music, get voice cues and use your phone’s GPS to map your routes. (Continued use of GPS running in the background can dramatically decrease battery life.)

RECORD WORKOUTS: Use your Fitbit tracker to track your exercise, then check the app to see your stats, their impact on your day, and how your performance is improving.

MONITOR HEART RATE: Use a Fitbit tracker with PurePulse™ to analyze heart rate graphs in the app. Identify trends, manage stress and see the results of your workouts. Review resting heart rate trends to see when your fitness is improving.

LOG FOOD FASTER: Easily log calories with our barcode scanner, calorie estimator, and expanded food database of more than 350,000 foods. See your meal history at a glance, and get nutritional insights.

MEASURE HYDRATION: Quickly log your water intake to make sure you’re properly hydrated during workouts and throughout the day.

SET & MANAGE GOALS: Create weight, nutrition and exercise goals, and start a food plan to stay on track. Then get a visual picture of your progress with colorful, easy-to-read charts and graphs.

SEE HOW YOU SLEEP: Set sleep goals in the app, and use a Fitbit tracker to monitor how much time you spent awake, restless or peacefully sleeping.

SHARE & COMPETE: Connect with friends and family by sharing stats, sending direct-messages, and competing on the leaderboard or in Fitbit Challenges.

STAY MOTIVATED: Get a nudge in the right direction with notifications that pop up when you’re close to reaching a goal or have already met one.

SYNC WIRELESSLY: Fitbit trackers sync your stats to computers and 200+ leading devices so you can continuously track your progress without needing to plug in.

MANAGE WEIGHT: Connect wirelessly to the Aria Wi-Fi Smart Scale to seamlessly track your weight, BMI, lean mass and body fat percentages, and to see your weight trends over time.

Learn more about Fitbit products and services at

What's New in Version 2.35

*You can now share your HR during your exercises
*Introducing a new weight graph that helps you understand how your weight is trending!
*Keep tabs on your diet’s macronutrient breakdown with a new breakdown of carbs, fats and protein
*Now you can share GPS maps of your exercises!
*Bug fixes and performance improvements

iPhone Screenshots

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Customer Reviews

Charge 2 too many issues

I'm on my third Fitbit and all of them had issues. The Flex and the Charge 1 had problems with the hardware (wristband broke, charging area disintegrated) but now with the Charge 2 I'm also having massive software problem. The charge 2 (bought Dec 2016) doesn't remind me to take the steps anymore, the notification of incoming phone calls doesn't work, the sleep tracking is horrendous since they updated it last time, and more or less since the beginning the HR doesn't work well. Contacted customer service and asked for help and was asked to disconnect the tracker, restart it, restart my phone, whatever they suggested I did it, twice. Nothing helped. So they offered me a new tracker. Then I got another response that they would only replace the wristband which of course also had problems (why would that be ok if all the others did had the same issue?) The wristband was never what relay bothered me and I fixed it myself but apparently they took my self -fixing as a cheap excuse to not replace my tracker. All the problems I had with the tracker happened way before me fixing the wristband and it's well documented via email but obviously didn't count.
Overall I think a Fitbit just is another item that adds on to our trash mountain and is not worth the money. All trackers I owned had problems after a short period of time, support service is lots of talk but no real help and it's a fad anyways to count steps.
Don't waste your money on this stuff.

So much disappointment

I just bought a Fitbit Charge 2 and I've spent two days trying to figure out things that should be intuitive (How do I get it to workout mode? Rearrange a whole bunch of stuff buried deep in the app. How do I get the screen on without pushing the button? Double tap the hell out of it. Can't even remember what else I've googled and I'm not a tech novice or anything like that.) The last upsetting straw is that this doesn't sync with Apple Health. Before I got this Fitbit I had a Chinese knock-off (cost me 30 bucks) that uses an app here in the App Store. Even THAT synced with Apple Health and added in step and sleep data. I've already given that to my mother, but I might need to take it back. Ugh. Another annoyance is that I don't have the option to make text and call notifications show up automatically without pushing the button. Again, my Chinese knock-off could do that. Got used to being able to just turn my wrist over to see my text or call without having to free up my hands to push the button. I'm so sad I saved up all this money for a device and app that is so underdeveloped and user-unfriendly that I hate it in less than a week of ownership. Don't buy a Fitbit or use this app.

Decent but needs way more regular "bug-squashing"

The app has improved tons over the years (I've been a dedicated Fitbit user for 4 years now) but there is always something wonky (case in point: right now, my sleep tracking will sync and the hours slept will show up in the top weekly review section but the actual sleep tracking data from each night isn't available until a few days later). This is a problem of maintenance, not the original programming (my husband is a dev) & there needs to be more focus on "bug-squashing" in regular updates (take a note from the normal use daily apps -- they all do weekly or biweekly updates to just make sure everything is running smoothly).

I don't think I'll be getting another Fitbit (I'm on my 4th device -- not counting warranty replacements), but until this one dies (which it inevitably will)... I'm stuck with this framework. So if the developers could put a little work into the app upkeep, that would be great.

View in iTunes
  • Free
  • Category: Health & Fitness
  • Updated:
  • Version: 2.35
  • Size: 151 MB
  • Languages: English, French, German, Italian, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese
  • Seller:

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.

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