Best fitness tracker 2022: Fitbit, Withings, and more

The best fitness trackers are more popular than ever, and for good reason—they’re a great way of capturing a wealth of data about your body, and potentially spotting some health issues, too.

Many fitness trackers do most of those things, but the best fitness trackers (including the best fitness trackers for seniors) will do all of them and go the extra mile. From blood oxygen monitoring to skin temperature, to finding out how much sleep you’re getting (and the quality of it), there’s a lot you can learn about your body just by wearing something on your wrist.

Whether you want to increase your daily steps, or you’re working on improving your sleep quality to boost your overall health, these fitness trackers are great for helping you achieve that. We’ve tested a range of different models across different price ranges to see how they fared for battery life, features, and value for money.

While it wasn’t all that long ago that users were able to find a handful of fitness trackers available from a small pool of manufacturers, there are now plenty to choose from. Fitbits are considered some of the best fitness trackers for seniors, and the brand is popular thanks to its affordable trackers and impressive data, but many tech manufacturers offer their own alternatives with different viewpoints.

For example, the Withings ScanWatch is a fitness tracking watch, with health-focused sensors and heart health monitoring underneath a more traditional wristwatch design. Other options like the Xiaomi Mi Smart Band 5 are affordable data collection tools with incredible battery life.

The best fitness trackers

While the Fitbit product line is essentially divided between the Inspire-style tracker line and the larger, more capable (and more expensive) smartwatches like the Versa 3 and Sense (more on those shortly). The Charge 5 sits somewhere in the middle, and is priced at $149.99/£129.99 but can regularly be found discounted.

The slimline fitness tracker is a great blend of both, though, with an AMOLED display that’s easy to read in bright sunlight meaning even with the smaller size it’s still a solid option. It also has all the sensors you’d look for in a premium device, including blood oxygen levels, sleep tracking, and the key trifecta of steps, calories, and standing hours.

Perhaps most impressively, there’s still room to pack an EDA scan, used to detect stress levels by placing a palm over the display. The only other Fitbit that offers that functionality is the Sense, and it costs considerably more.

In fact, the only real downsides here are that music lovers will be disappointed that the Charge 4’s ability to control Spotify on your wrist is absent on the Charge 5.

We found the Fitbit Charge 5 a little less comfortable to run with. We preferred the more slender Inspire 2, or the flatter-backed Sense/Versa 3 chassis for longer workouts, but the price here makes it an ideal middle option between the two types of Fitbit at present. It’s also remarkably easy to get tracking, with just a couple of taps to send you on your way.

• Read our full Fitbit Charge 5 review

The Xiaomi Mi Smart Band 5 is an excellent value fitness tracker which covers all of the basics. Despite its sub-$50/£30 price tag, it doesn't look like a budget fitness tracker, thanks to its color screen, sports-focused silicone wristband, and large display.

Although it looks like it has replaceable straps, it's actually a single piece band which you pop the tracker into; good for cleaning but not as customizable as a strap.We found that the screen was bright enough to see clearly on a sunny day, but we were disappointed to find you have to manually adjust the brightness.

It takes a hefty seven taps to change the brightness, too, so you won't be doing it in a hurry. And although the Mi Smart Band 5 has an optical heart rate monitor, we noticed that it would use other motion sensors to preempt when your heart rate would rise.

We used a heart rate monitoring chest strap as a comparison, and found the fitness tracker would show increases in heart rate before the chest strap and the actual values wouldn't always be consistent either. However, it was broadly accurate, so whether this is a problem depends on how much you plan to rely on the Mi Smart Band 5's data.

Still, this affordable fitness tracker is a feature-packed option if you want to track your steps, monitor your sleep, or record your workouts. There's no built-in GPS sensor, but if you download the companion app, you can monitor your runs in Connected GPS mode using your phone's location tracking. Plus, we found it could last over a week at the highest brightness before it needed a charge.

• Read our full Xiaomi Mi Smart Band 5 review

The Fitbit Sense packs more sensors inside than any other Fitbit in the company’s ever-expanding lineup, making it an ideal purchase for fitness and health enthusiasts that want the most data possible about their bodies.

It’s also the most expensive Fitbit, too, costing $299.95/£219.99. For that, you get the usual fitness tracker sensors like heart rate, as well as more complex ones like blood oxygen tracking and a stress-detecting EDA that lets you diarize your mental well-being.

What you don’t get, though, is a true smartwatch akin to the Apple Watch Series 7 or a Samsung Galaxy Watch. There are no third-party apps, and interaction with notifications and phone calls is limited. There’s also no internal storage for taking a podcast or playlist with you.

On the plus side, it does offer the largest Fitbit screen but we didn’t think it was too bulky, with a 1.58-inch AMOLED panel easily legible while working out. We found it to be more comfortable than many trackers, even after a long run, walk, or cycle, and it’s impressively easy to read in the middle of a pool swim, too.

At first glance, the Withings ScanWatch doesn't look like a fitness tracker. Unlike most smartwatches, it has a clean, circular watch face with analog hands to tell the time. But just below the 12 o'clock position, there's a small black and white display. Tapping the dial on the right of the watch activates the display and gives you access to your daily step count, heart rate, and workout tracking.

As you'd expect from one of the best fitness trackers, it can also monitor your sleep, has an SpO2 sensor to keep tabs on your blood oxygen, and has an vibration-only alarm, which we found was a great way to wake up without disturbing others. These alone would make it a worthy alternative to the standard fitness tracker wristbands, but the ScanWatch's standout feature is its heart health monitoring.

The metallic outer body is conductive, so all you need to do is place a finger across the ScanWatch to start an ECG and analyze your heart's electrical activity. And the watch can detect possible atrial fibrillation. When this happened, the watch prompted us to run an ECG, which we later showed to a medical professional, who reassuringly said everything was fine. However, the ECG is region-locked as it needs regulatory approval, so do check if it's available in your location before making a decision.

The small, black and white display won't suit everyone, especially as you can't view anything other than step and heart rate data on the watch itself (everything else syncs to the smartphone app, although we did find it'd sometimes take a while to show up), but it does have a huge effect on the ScanWatch's battery life. We found you can easily go three to four weeks without needing a top up, and it only takes about an hour to fully recharge.

The Fitbit Versa 3 is around $60/£50 less than the Fitbit Sense, but it carries many of the premium smartwatch’s features. Aesthetically, there are almost no differences between them, but the Versa 3 doesn’t offer the EDA scan or ECG sensor. 

Other than that, the only way to tell them apart is through the color options. So, you have on-board GPS, the same large 1.58-inch display, and a comfortable tracker for considerably less. 

Still, it’s worth noting that the same applies regarding smartwatch functionality – the Versa 3, like the Sense, is closer to a Fitbit Inspire than it is to a full smartwatch like the Apple Watch. With that said, we found it comfortable enough to wear all day. And we were impressed with the battery life, especially considering the color display. 

Also, the Fitbit’s smartphone app remains excellent, although this applies to the company’s whole range. While some health tracking apps are determined to bury their information as deep as possible, Fitbit offers a clear dashboard, and works with Apple Health for iPhone users to keep track of their data in one location. 

• Read our full Fitbit Versa 3 review

How to choose the best fitness tracker

There are a few features of the best fitness trackers that are fairly standard between devices; step counting, heart rate monitoring, and sleep tracking. But there are several other areas worth considering before you make your choice. 

Built-in GPS

Our smartphones use the Global Positioning System (GPS) to show us where we are on a map and the same technology is now built-in to many fitness trackers. If you mostly exercise indoors, then this won’t be an essential feature for you. 

However, if you want to go for runs, walks, or other outdoor activities, you can choose between a fitness tracker with built-in GPS and one with Connected GPS. Wearables with built-in GPS can connect directly to the system and record your route from your wrist without your phone. 

Because of the additional sensors, these trackers are often more expensive than those without built-in GPS. If you occasionally go for a run, don’t mind keeping your phone with you, or want to save some money, you can choose a Connected GPS tracker, which uses your phone’s sensors to record your route.

Battery life

It’s worth asking yourself how often you want to charge your new fitness tracker. Generally, there’s a trade off between features and battery life, so fully-equipped trackers with built-in GPS, a color display, and smartwatch features will need topping up more frequently. 

All of the best fitness trackers can easily see you through a day, but if you head out on long adventures, you might want to invest in a hybrid smartwatch like the Withings ScanWatch, which has a 30-day battery life. 

Although it feels counterintuitive, some budget fitness trackers like the Xiaomi Mi Smart Band 5 have longer battery life than some of the best Fitbit wearables, as they have fewer additional features, and focus solely on the fitness tracking essentials. 

Waterproof rating

These days, many fitness trackers offer some degrees of protection from water. Those featured in our guide can typically survive immersion in water up to 50m, making them a good choice if you regularly exercise outside or enjoy a swim. 

However, it’s still an important consideration as there are trackers out there with only minimal resistance to water, so could get damaged after a particularly sweaty session or some light rain. 

How we tested the best fitness tracker

To keep the testing process uniform across devices, we put the best fitness trackers to the test across a variety of workouts while tracking the same core metrics.

We wore each for a few days (usually with one on each wrist to collect comparison data) and tracked basic metrics like step counts, calories burned, and kept them on overnight for sleep tracking.

When it came time for a workout, we put them through their paces with a mix of running, walking, swimming and weightlifting, as well as cooling down with yoga. This allowed us to capture data for heart-tracking both in active workouts and at rest.

We tested each companion app, too, assessing how easy it is to find your data and how easy it is to share it with platforms like Apple Health or Google Fit, and looked out for fitness trackers that made the data easier to understand  and actionable.

On the Fitbit Sense and Fitbit Charge 5, we also tested the EDA scan to analyze stress levels. This is important because it’s one of the very few defining factors of the Sense over the Versa 3, which also made the list. 

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