10 Best Fitbits Compared and Reviewed
We spent hours going through Fitbit's products gathering information and consumer reviews so we could be sure we are offering the 10 Best Fitbits there are today. It seems that most activity trackers can be a little aggressive in design and price, overwhelming even. However, we found this is what keeps Fitbit at the top of the competition, their consistency in simple affordable tracking design, with style.
Scroll through our 10 best Fitbits list and check the FAQs at the bottom of the page to get more informed on what makes FitBit a great option for any workout activity. We are sure our extensive Evaluation Criteria will assist you in your search, getting you tracking sooner.
In a Hurry? The test winner after 10 hrs of research
- Connects to your phone so you can receive texts and phonecalls
- GPS included
- Great battery life
- Charge 3
- Inspire HR
- Alta HR
- Charge HR 2
- Flex 2
- Criteria Used for Evaluation
- Other Factors to Consider
- Frequently Asked Questions
10 Best Fitbits
1. Charge 3
- Connects to your phone so you can receive texts and phonecalls
- GPS included
- Great battery life
If you are on the hunt for a Fitbit that is more like a smartwatch then this is a great choice for you! It tracks more than your athletic endeavors and connects to your phone so you can receive phone calls and texts through it as well.Read more
This Fitbit measures how many calories you burn not only during your workouts but also throughout the entire day. It will also track your heart rate at all times and comes with 15 exercise modes to choose from. The Charge 3 also records your sleep cycles and allows you to personalize it to your specific needs. Lastly, you can also connect this one to your phones--so you can use the GPS and receive calls, texts, and notifications through it.
Up to a 7-day battery life, depending on use.
This one comes in three color options and features a sleek and trendy design.
While this one has a steeper price it more than worth the cost. It is waterproof, sweatproof, and difficult to destroy.
2. Inspire HR
Long Battery life
Offers 90% of what the Charge 3 offers
No Smartwatch Features
If you're looking for high-quality activity tracking without the need for all the specs of a smartwatch, the Inspire HR is the Fitbit for you. This rendition offers all the classic and advanced features of the Charge 3 without all the battery draining features of a smartwatch.Read more
Fitbit Inspire HR has the ability to track up to 15 activities while offering 24/7 heart rate monitoring. This gives the Inspire HR the advantage of calculating more accurate heart rate zones and calorie count.
Furthermore, the advanced heart rate readings offer more detailed sleep tracking features for observing both your REM and light sleep cycles. This 24/ HR tracking also ties in with the SmarTrack function that gives you all day automatic pedometer readings to include hourly activity, distance, and how much time during the day you are actually active. SmartTrack also automatically gathers all tracking data on any of the other many activities it tracks: swimming, biking, running, lifting, etc.
Although you will have to connect to your smartphone for GPS running activity, you won't be lost on your weekly activity as the Inspire HR saves up to 7 days of by the minute detailed activity as well as storing daily activity totals for up to 30 days.
It also offers an app geared toward women. Aiding them in keeping track of monthly cycles and symptoms, allowing them to be more in tune with their bodies.
When utilizing the Inspire HR on a daily basis for basic activity tracking on most of the 15 sport settings without constant GPS connection, you can get up to 5+ days of uninterrupted tracking.
Inspire HR has a silicone band that is used in most sports watches, offering a solid simple soft fit that doesn't irritate the skin. It is secured with an aluminum latch and tang so you won’t sweat it coming undone during your activity.
Although there are many different 3rd party bands with personal designs and other materials, it comes ready with a sporty sleek design that has more girth than width. It is also much lighter and compact than the coveted Fitbit Charge.
You get about 90% of what the Charge three offers and the price reflects that. At a 3rd of the cost, the value is unbeatable. It is a great compromise for those that want all the activity without all the smart and you won't be crying when you get the bill.
3. Alta HR
- Most slim screen design available
- Heart Rate and Fitness Tracking
- Call/text/calendar alerts
- Customizable appearance and interchangable colors, able to hide the “fitness”-look of the watch
- Lightest watch option, weighing .8 ounces
- No GPS included.
- Thin, monochrome screen
The Alta HR is the lightest, most “slim” designed screen-included Fitbit, aimed at active lifestyles whom prefer to not wear any “bulky-tech” on their arms. The watch includes a small display, and slightly less features than the charge HR, but boasts a 7 day battery life, many accessories, interchangeable colors and style wristbands for the fashionable.Read more
Like the Charge HRs’, the Alta HR includes an OLED-tap display, with continuous heart-rate reading, calories burned, distance, and steps. Like others, the watch itself is advertised as “rain, sweat, and splash proof.” Other basic features like caller/text ID and calendar alerts are included. Newer features like sleep and sleep-tracking is included. Unfortunately for the running enthusiast, the Alta HR does not include either phone-connected or stand-alone GPS. Also absent are music control, guided breathing, and “on-screen workouts”.
Up to 7 day battery life, again depending on use.
The Alta HR is FitBit’s slimmest screen-included watch, dimensions being 1.6 inches wide, by 1.3 inches long, .6 inches height (for the actual screen). The screen itself is also monochrome such as the Charge HR. The Alta HR comes in some brillant color options such as fuchsia and coral. While initially there are 6 color options to purchase, Fitbit also offers what it calls “designer accessories” strictly for the Alta HR, which range in styles like metal bands, leather, and classic straps.
When compared to other Fitbits, The Alta HR is in the low-middle to high price range, depending on color. The pink/rose-gold color is the only “special edition” available at the higher-end of pricing. The interchangable bands vary im price, mostly in the low-range of accessory pricing.
4. Charge HR 2
- Well-rounded Fitbit with a large OLED display
- Features include "Smart Track" workout logging, sleep tracking, “move reminders", guided-breathing
- Phone features include connected GPS, caller and text IDs
- Interchangable bands, and 2 “special” edition colors.
- Needs phone-syncing to use GPS features, which could mean heavy pockets for runners
- Limited phone-connected features
The Fitbit Charge HR 2 includes the most features per price, and the most color options of all Fitbits. A well-balanced range of features for runners.Read more
Includes a high-resolution, large OLED tap display, with phone-connected GPS tracking, continuous heart-rate reading, calories burned, distance, and steps. There is also a unique “reminder to move” of which will help those motivated by reminding that they have been sitting too long. Not only will the Charge HR 2 provide silent vibrating alarms, it will also monitor sleep and sleep stages. The Charge HR 2 tracks specific workouts via the multi-sport feature, and uses the "Smart-Track” log feature to log workouts on the connected app. Call and Text notifications are included, with a unique guided breathing feature that will assist with lowering heart rate when needed. One missing feature in this watch is music control,
Up to 5-day battery life, depending on use.
The Charge HR 2 boasts some impressive color and customization options. While the watch face itself has monochrome font colors and limited customizable options, besides font style changes, the watch band is interchangeable and 3rd-party retailers sell bands that match any outfit or style. Initial band colors include: blue, black, plum, teal, and the special editions (22k gold-plated tracker/rose gold band, gunmetal stainless steel tracker/black band).
The cost of the Charge HR 2 is in the mid-high price range in comparison of other Fitbits, with two special editions, 22k Rose Gold plated, and gunmetal stainless steel at the highest end.
- Most ideal for runners who enjoy tech-enabled runs.
- Features like on-screen workouts, Music control, call/text ID/e-mail/calendar alerts are added bonuses
- Colorful, functional touch-screen experience
- Interchangable watch bands and frames
- Phone required for GPS use.
- Special editions are costly.
The FitBit Blaze is a cross between a fitness and a smart-watch, with features for the “best of both worlds”. Also, the Blaze is easily the most stylish Fitbit with interchangeable bands and customizable watch faces.Read more
The Blaze features some unique smartwatch capabilities, which other FitBits do not. This includes a full-color touch screen, with not only caller and text alerts, but also e-mail, calendar notifications and music controls.
Unique from FitBit’s other smartwatch the Surge, the Blaze features include customizable clock faces, guided breathing, and sleep stage analysis. Other standard FitBit features include continuous HR, calories burned, distance, cellphone-synced GPS, and automatic fitness tracking. One of the most unique features of the Blaze is called "on-screen workouts" which works with the Fitstar app to guide you step by step through whichever workout you choose.
Up to 5 day battery life, depending on use.
The watch has tech-like square-shaped screen. The screen displays multiple colors and images, as well as clock faces to match your outfit, watch band, etc. The initial band colors come in blue, black, silver, and gold/pink gunmetal/black (the latter being special editions.) Because the Blaze screen itself is removable, there are many watch bands (leather, metal, and others), as well as different color frames for the screen.
The Blaze cost is in the mid-high range when compared to other fitbits, similar to the Charge HR. The Blaze also comes in two special editions: 22k rose-gold plated and gunmetal stainless steel, each at the higher-end of price.
Small and large wristbands
Access to popular apps
Extensive use of all features simultaneously may shorten battery life a little
Introducing Fitbit Ionic—the watch designed for your life. Find the guidance to reach your goals with dynamic personal coaching so you can set and achieve targets, built-in GPS and continuous heart rate monitoring. Stay motivated by storing and playing 300+ songs and get inspired by a global fitness community. Plus, get convenient access to popular apps, payments on your wrist and a battery life of up to 5 days.Read more
Your own personalized work-outs via step-by-step coaching on your wrist
300 songs, and download your choice of music from pandora
GPS-GLONASS to track your pace, routes, and distance with pure-pulse tracking for your heart rate in all real hands-on time zones.
Includes small and large wristbands for secure comfortable FIT for night and daytimes.
Easy access to top APPS for weather and sports and you can pay while on the go via the NFC-chip.
Track your all-day activities, workouts, rides, swims and runs with 4 days of reliable battery life.
Four days of battery life, this varies depending on level of use of functions
Square attractive face with user-friendly visual displays and easy access to functions.
The price is user-friendly for a high-performance investment
- Will not add any bulk to a runner, able to clip under clothes, in pocket, on belt, etc.
- Most functional non-watch Fitbit offers
- Only reads calories and distance based on steps taken
- No GPS, HR, or call/text alerts
The Fitbit One is clip-on device for the casual fitness enthusiast with slightly more features than the Zip, phone-sync capabilities, and a long battery life.Read more
The One is another limited-feature device that clips onto the user in multiple areas (shirt, belt, bra, etc.) for incognito use while running. Unlike the Zip, the One not only features steps, distance, calories and time, but also floors climbed, sleep tracking and silent/vibrating alarm, accessed by push-button scroll. The One is also Fitbit app compatible via bluetooth, which will transmit and store all of the information logged.
Up to 14-day rechargeable battery life, depending on use.
The One measures 1.89 inches tall, .076 inches wide, and .38 inches thick, fitting easily in a pocket or under clothes. The dongle itself is removable from a silicone cover, of which a multitude of colors are available via Amazon (there is even an off-brand silicone watch cover available for those who want to wear it via wrist.) Unlike the Zip, the Fitbit One has a black-and-white OLED display, which is backlit and easy to see in directly sunlight, or dark environments.
The Fitbit One comes in 3 colors and is in the low price range when compared to other Fitbits. They include black, dark grey and burgundy.
8. Flex 2
- Completely waterproof
- light and slim
- unique jewelry-like accessories.
- Fitness areas tracked by “lights” and connected fitbit-app.
- No GPS, distance tracked through steps
- Lacking heart rate monitor
- No screen for instant readout, which also means no clock
The Fitbit Flex 2 is the most slim, and lightest screen-less Fitbit, as well as the only Fitbit watch that is completely waterproof. Although limited on capabilities (including a visible clock), accurate fitness tracking is still included.Read more
The Flex 2 features no LCD screen, meaning no clock, text/caller alerts, or other screen-provided capabilities. Instead, the Flex 2 provides fitness tracking by lights that monitor progress in multiple areas. The lack of LCD screen does mean that this Fitbit is completely waterproof, for those worried about running in wet conditions. Unfortunately, the Flex 2 does not read heart rate, so calories burned are estimated through movement/steps. Also, neither phone-synced, nor stand-alone GPS is available on the Flex 2. Regardless, the Flex 2 syncs to a phone which will then read out calories burned (through movement), steps, distance, and sleep tracking.
Up to 5 day battery life, depending on use.
The Flex 2 comes in 4 basic, non-interchangeable colors, the tracker itself is removable. The watch is very slim, 0.4 inches wide, and is ideal for runners who don’t care about instant read-outs, but rather slim and light equipment. This watch also has 2 unique accessories available from Fitbit, one a “pendant” which turns the Flex 2 into a silver necklace, and one a “bangle”, which covers the Flex 2 to become a sterling silver bracelet. Each of these accessories are in the high price range, when compared to other Fitbit accessories.
In comparison to other Fitbit watches, the Flex 2 is listed in the low to mid price range depending on color. The color options include: navy, black, lavender, and magenta.
- 6-month battery life
- Useful for those who do not want anything on their wrists.
- Cheapest alternative to other Fitbits
- Small size, interchangable cover and colors
- Features limited to Steps, distance, calories and clock
- No phone-enabled features like GPS or text/call alerts
The Fitbit Zip is a clip-on pedometer-like device for the casual fitness enthusiast with simplified, yet limited features, phone-sync capabilities and a very long battery life.Read more
The Zip is very limited on features compared to other Fitbits. The Zip clips onto the user, on a pocket or waistband and scrolls through information with a tap-display. While similar to a pedometer, the Zip calculates only calories and distance through steps taken, all of which can be synced to a Fitbit-app enabled phone (via bluetooth, like all other Fitbits.) Also featured on the Zip is a clock with customizable font, on a monochrome display. It does not include HR monitoring, or text/call alerts.
Up to 6-month battery life, depending on use with replaceable watch battery.
The Zip comes in 6 vibrant colors such as pink, “zip” blue, and magenta and measures 1.2 wide by 1.8 inches high. The Zip itself is removable and interchangeable with other clip cases available via Amazon. The screen is strictly monochrome LCD (which may be difficult to see in direct sunlight), with customizable clock font via connected Fitbit app. For avid runners, a clip-on step tracker may not be the best choice of comfort or reliability.
The Fitbit Zip lists 6 bright colors and is in the lowest price range, when compared to other Fitbits.
Very attractive price
It’s very lightweight and fits big or large wrists
The battery life could be better
Some runners say that this one is a little brother of Iconic but with a much lower price. This one can be perfect for those who don’t need so many features but they still want to enjoy great fitness tracker.Read more
It measures of course your heart rate, sleep stages and there are many exercise modes so you can have different measures depending on the sport. You can get a call, text someone. This device is like a coach. You can store around 300 songs in it and you don’t need a phone.
This Fitbit has colorful touchscreen that has level of brightness around 1,000 nits. It means that no matter what weather is outside, you are able to see everything clearly. We’ve already said that this Fitbit has some fewer features than Iconic like GPS. However, it also has some improvements. MAny Iconic enthusiasts complained that it’s a little hard to customize the product.
It will be able to work round 4 days but it depends on the modes and apps used.
For many users, the overall look of the device is very pleasant. It’s not too bulky, it has some other shape than the previous fitness trackers. Runners say that you can really concentrate on the display, with some other models, it wasn’t that easy. The brand claims that it’s also one of the most lightweight smartwatches so it will be great no matter if you have large or small wrists. The design is very functional and it’s easy to use this device. There’s wake up button on the left-hand side and there are also two smaller for pausing and finishing. The strap stays in place thanks to the clasp that provide very firm grip but you can make it looser whenever you want. There are many different versions of the strap. You can choose if you want fabric, metal or sillicon as the straps are interchangeable.
You will need to spend around 200 dollars on this one. Comparing to Iconic and the other models, this is very attractive price and comparing to the normal smartwatches, this is a great deal.
Criteria Used for Evaluation
...an avid runner would ideally like to avoid a dying Fitbit in the middle of a run...
Battery life is highly important to all Fitbit users, which is why it is one of the first things we look for. A short battery life means the Fitbit is more likely to die during your workout or when you need it most—and we just can’t have that! It can also be frustrating to have to constantly charge your fitbit—especially for those of you who want to track your daily activities and personalize everything to fit your needs. A good battery life is something everyone should consider, regardless of the specific features you are looking for.
Some Fitbits include accessories
Each Fitbit on the list includes a variety of features--all of which are important to runners in some way or another. These features include: 1) GPS for runners who like to map their mileage and/or location during a run, 2) Heart Rate, continuous tracking for runners who want to increase aerobic endurance through heart rate zones, and 3) Calories--for runners who care about tracking calorie burn and weight loss . Other features listed may not be as important, but are helpful for runners who care about being completely undistributed during runs. Some of these include text alerts, caller IDs, e-mail/calendar alerts, and music control.
Runners whom purchase a Fitbit would expect the most "bang for your buck"...
The cost of each Fitbit was considered during our decision-making process because the more features you want, the more it will cost--and, if the cost of the Fitbit is lower, it may be lacking in features in comparison. Runners whom purchase a Fitbit would expect the most "bang for your buck", which is why the cost is important. Because of changing costs, the following Fitbits do not have specific pricing but rather "lower-to-higher" end ranking, as goes with accessories.
Other Factors to Consider
Having empty pockets, and running truly "hands-free" is important for distance-runners and sprinters alike. One reason people choose to purchase a Fitbit is to not be attached to a cell phone during a run/workout. Many of these Fitbits differ in "hands-free" ability. Some require a phone for syncing for GPS, music, and other features. Oppositely, other Fitbits are more "independent" and are the better choices for runners who would want more features directly on the watch/fitness tracker than having a phone in their pocket.
Heart Rate and Calorie Accuracy
The accuracy of the continuous heart rates and calorie counts of Fitbits is what makes Fitbit a top contender in the fitness tracker industry. Fitbit uses what they call "PurePulse", stating in the Help section of the Fitbit website:
"Using this algorithm, along with entering your age, height, and weight (entered in the Fitbit App) is how the tracker calculates the calories burned throughout the day. Each HR-enabled watch also has a "workout mode" that will reset your daily calorie count, time, distance and other metrics until the workout is over."
If knowing your heart rate zone, or setting your customized zone is important for you during a workout, you will be pleased to know that heart rate-enabled Fitbits allow the user to set these zones either through the connected Fitbit app or on the tracker itself.
The Fitbit website claims that HR accuracy can be affected by a few things. Firstly, each HR-enabled watch is supposed to be worn "3 finger widths" below the wrist bone for accurate reading during workouts and "1 finger width" below during normal activity. Meaning that it will never be worn like a "watch" over the wrist bone. Fitbit claims that this is because "blood flow in your arm increases the farther you go up". Also, keeping the watch "snug" but not too restricting will allow for the most accurate reading. Lastly, keep in mind that high-intensity activities such as sprinting and other high-intensity activities (especially when the arm is moving often) may cause for temporary pauses inaccurate readings.
Well designed gear often keeps up with style trends depending on what you are into. Style also includes function and durability while sometimes affecting the value of any given activity tracker.
Fitbit has come a long way with there style and design and making sure they keep you updated with the latest activity tracking technology while looking good is proving to be one of their strong points. Style is a personal preference for the main part, however, as we mentioned, good style can go as deep as durability too. You want to make sure that flashy marketing gimmicks on the outside of a product reflect what is inside a product as well.
Fitbit does offer an array of band designs, different materials, and color swatches for their activity trackers. This gives a more customized feel to their gear and is a popular feature among consumers. Fitbit is not one you usually have t worry about being all external. They back up their style with that function and durability we were discussing earlier. It is what makes them a leader in the activity tracking world.
Frequently Asked Questions
q: Are Fitbits waterproof?
The only truly "waterproof" Fitbit is the Fitbit Flex 2. The standard for each Fitbit is that they "rain, splash, and sweat-proof". This means that it is not recommended to shower, bathe, surf or swim with these trackers (besides the Fitbit Flex 2).
q: How do I know what size Fitbit I need?
Fitbit.com has printable sizing guides that allow you to cut out an "actual size" band of each watch and determine which fit works best for you. Because there are different sizes for each watch, I have conveniently listed the sizing links of each watch from this guide in the sources section.
q: Will a Fitbit work accurately for steps on an Elliptical?
Because some runners enjoy low-impact training from time to time, it is important to know what differences may occur when tracking steps vs. an actual run. Fitbits that measure steps measure forward motion, so jogging in place/elliptical use may impact step counting slightly. Luckily, on the Fitbit App, you can manually choose "elliptical" as your exercise, along with the estimated time you are going to work out and the Fitbit will adjust to track steps more accurately. This same process works for other types of exercises, anaerobic or aerobic.
q: What kind of things will affect my HR accuracy?
As stated in the "Other factors" section of this article, the placement and tightness of an HR-enabled Fitbit watch may affect the accuracy of HR readings. Please refer to that section for details on how to adjust this. Also, high-intensity exercises may slightly, briefly impact HR accuracy. As stated above, the Fitbit App makes up for this, to allow you to choose what type of exercises you are performing, allowing the watch to adjust its readings.
q: Will a Fitbit work without a phone?
You do not need a phone to use the features of a Fitbit. The Fitbit will read all metrics right out-of-the-box including HR, calories, time and distance without phone syncing. Special tracking features like heart rate zone customization and workout type require a synced phone with an installed Fitbit App. GPS will only work via The Surge without a connected phone, all other GPS-enabled Fitbits require a phone for this feature. Obviously, all other features like music, text/Caller ID, and calendar alerts require a synced phone for use.
q: What phones are Fitbits compatible with?
Fitbits sync with most Android, Windows and iOS operating systems, via bluetooth. The Fitbit app is available on all 3 platforms as well (Google Play Store, Apple Store, and Windows).
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