The Fitbit Charge 4 is a modest yet important update to the Charge 3, the company’s most capable fitness band. The addition of built-in GPS makes the Charge 4 an even better fitness device for serious athletes and active zone minutes gives all users a new motivational tool by quantifying time spent in elevated heart rate zones. The Charge 4 also adds Fitbit Pay as a standard feature, so users won’t have to shell out more money for NFC tech anymore. The device has some small problems, namely music controls that only work for Spotify and fewer smart capabilities than the Fitbit’s smartwatches, but it’s otherwise an excellent fitness tracker with an approachable $150 price tag.
Finding the right way with GPS
It's astounding to realize that the Ionic has been the solitary Fitbit gadget with GPS since it was presented in 2017. None of the Versa smartwatches have it, and the Charge 3 didn't have it all things considered. The Charge 4 fixes this glaring oversight: the underlying GPS naturally tracks your area when you start an outside movement (running, strolling, and so on) It took the GPS around 30 to 45 seconds to snatch my area around my home on Long Island. I didn't need to stand by, however, on the grounds that Fitbit allows you to begin an exercise from the Charge 4's screen while the GPS pinpoints your precise area.
Running was a consistent encounter beginning to end - the GPS never dropped my area and the gadget didn't overheat. The subsequent course maps were precise, and I valued that Fitbit added "heat maps" for pulse and speed information. Course lines change tone contingent upon how exceptional your pulse was and how quick you were running at that point. These overlays give you a superior feeling of when you were working the hardest.
But, I really wanted to feel like I was missing something with the Charge 4's absence of installed music stockpiling. Not at all like some smartwatches with the two highlights, you need your telephone with you to tune in to music while you train. Counting just GPS or just music stockpiling causes it to feel inadequate, and tragically, numerous wearable organizations submit this wrongdoing on mid-level gadgets. The choice is considerably additionally confounding when you consider the Charge 4 likewise has Fitbit Pay, allowing clients to leave their wallets at home and pay with NFC. Clients are given two valid justifications to leave their cell phones at home when working out - however most won't dive in light of the fact that they need to exercise to music (or they simply like to exercise with their telephones simply on the off chance that they need to settle on a decision).
In any case, it's important that the Charge 4 has some music hacks - Spotify Premium clients can handle playback from the touchscreen. There's even a committed application included. Be that as it may, Spotify clients are the lone ones who get this extravagance. In case you're an Apple Music supporter or on the off chance that you like tuning in to Audible while you run there's nothing here for you. Each time I turned up my wrist to stop the book recording I was tuning in to, I was disappointed to discover no controls accessible to me.
A new emphasis on active minutes
During workouts, the Charge 4 buzzes lightly when it detects spikes in heart rate. This ties into Fitbit’s newest exercise metric, active zone minutes, which keeps track of how much time you spend in each elevated heart rate zone. This information will tell you if you reach the recommended 150 minutes of moderate activity, or 75 minutes of vigorous activity, per week recommended by the American Heart Association. If active zone minutes sounds familiar, it’s because Apple, Google and Garmin wearables all track similar data.
You’ll know which heart rate zone you’re in by the number of buzzes - one buzz for fat burn, two for cardio, and three for peak. The Charge 4 vibrated often during my runs, mostly because I spend part of the time power-walking and the rest of the time actually jogging. While occasionally annoying, the buzzing motivated me to push myself harder to stay in that higher heart rate zone for longer.
Functional hardware
Active zone minutes wouldn’t be possible without a heart rate monitor, which the Charge 4 has. It’s the same pulse tracking technology found in other Fitbit devices and it works just as well here.
The rest of the fitness band is almost indistinguishable from the Charge 3, with its thumb-sized module, OLED touchscreen and left-side inductive button. This makes for a dated design (the Charge 3 came out in 2018), but that can happen when function comes before fashion. It does have interchangeable bands, so there is the potential to spruce things up with woven and leather accessories.
The Charge 4 is designed to be worn all day and all night, and how hard you push the heart rate monitor and GPS will have a big impact on the band’s battery life. Fitbit estimates the band lasts up to seven days with regular use, or up to five hours while using the GPS. Unless you’re going for an intense hike, you probably won’t use the GPS for five hours straight - but occasional GPS use will still drain the battery faster than normal. My Charge 4 was down to 20 percent after 3 days of all-day and all-night wear, which included two hour-long GPS workouts and an hour of non-GPS exercise.
New features
Fitbit added a couple of more things to the Charge 4, and many spin around rest. To start with, the Charge 4 at last has a Sleep Mode that turns off notices and handicaps the screen so you're not inadvertently woken up by a maverick text-based notification. It's a straightforward booking highlight, however it's one that individuals will use consistently (and it's helpfully open straightforwardly on the gadget, not just in the portable application). A lot of different wearables have something like this, yet Fitbit's simply getting around to executing vigorously. Preferred late over never, correct?
Significantly additionally fascinating is the new Estimated Oxygen Variation outline populated with information from the SpO2 screen. These sensors are moderately new to wearables, just advancing into a small bunch of gadgets over the recent years. They gauge your blood oxygen immersion levels and can be valuable in distinguishing indications of issues like rest apnea. Fitbit began incorporating SpO2 screens in select gadgets when it appeared the Ionic smartwatch, however the sensors haven't been dynamic as of recently.
The Estimated Oxygen Variation outline lives in every night's rest information page in the Fitbit portable application, demonstrating by means of a line chart how much your blood oxygen immersion differs for the duration of the evening. Since it's entirely expected to have a few varieties, your line will probably be spiky however it should remain inside the "low variety" range. On the off chance that you begin to see predictable spikes into the "high variety" range, it very well might be a sign that you're not getting enough oxygen while you rest. That information can be helpful to show your primary care physician in the event that you figure you may experience the ill effects of rest apnea or another comparable issue. I'm excited that clients can at last observe the SpO2 sensors in real life - it's been excessively long of a stand by, and keeping in mind that most clients won't see significantly various outcomes every evening, it's superior to not seeing anything by any stretch of the imagination.
An extra component that is coming soon to the Charge 4 is Smart Wake, which will awaken you with light vibrations at "the ideal time" in view of the rest zone you're in and a 30-minute time range that you determine. This is one of those smartwatch highlights that the Ionic and the Versa have that Fitbit is streaming down to the Charge 4 (and an element that different wearables have had for quite a while). While a shrewd caution highlight like this won't supplant a real ringing clock or blasting cell phone tone (particularly when you should be up at a specific time), it's a decent back-up alternative..
Competition
Fitbit isn’t the only wearable company that didn’t have many -- or any -- fitness bands with built-in GPS. The closest competition for the Charge 4 is $169 Garmin’s Vivosport, which is the only fitness band in its lineup with an onboard GPS (plenty of its smartwatches have this feature, though). Aside from being $20 less, the Charge 4 has a few advantages: it has interchangeable bands, Fitbit Pay and Spotify connectivity. On the flip side, the Vivosport has better battery life with the GPS enabled (eight hours to Fitbit’s five), onboard controls for general audio playback and compatibility with Garmin’s LiveTrack feature.
But what’s common between these two fitness bands is their limited “smartwatch” capabilities. This means that both have only a few onboard apps, and those are often not as intuitive to use as the ones you’d get on a full smartwatch. The smaller, lower-quality displays on fitness bands make it more difficult to, for example, set a timer to keep track of your dinner cooking in the oven. You can do it, but it’s not as easy as if you had a smartwatch. Fitness trackers sacrifice in these areas because they are, first and foremost, for tracking fitness. (Obviously.)
Wrap up
I immediately thought of the Fitbit Surge when the Charge 4 was announced. It was, at the time, the most capable fitness band the company had ever made. Yes, it was ugly. Yes, it was clunky. But it left a glaring void in Fitbit’s lineup when it was discontinued. Now, the Charge 4 is here to fill that hole and give users a way to get onboard GPS without spending $200 on a smartwatch.
Thankfully Fitbit didn’t mess with what was good about the Charge 3 when making this updated band, but it is disappointing that long-standing problems haven’t been addressed. I wish the Charge 4’s design wasn’t so bland and I wish it had audio controls that weren’t limited to Spotify. It’s also less than ideal, to say the least, that Fitbit devices still don’t integrate with Apple Health or Google Fit. The latter may come soon (and certainly before the former), but we’re still waiting on a feature that’s quite basic. Nevertheless, the Charge 4 is one of the easiest (and most affordable) ways to get GPS in a fitness band that’s just as good at tracking exercise as it is tracking daily movement and sleep.
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