Fitbit Blaze: Fitness tracker or smartwatch? Gigantic hybrid can’t decide

In the beginning, there were step counters — those little gadgets that clipped to your clothes or wrapped on your wrist, with motion sensors (accelerometers) inside that counted your steps like glorified pedometers. This was the original Fitbit, and it was a hit.

Today, of course, those humble early gadgets have evolved into full-blown smartwatches. They count your steps, yes, but they also track your sleep, measure your pulse, track your running and biking routes via GPS, wake you up with vibrating alarms, and much more.

In short, wearables have differentiated: Some are for ordinary folks who just want a little motivation to move more. Some are for athletes who want to measure their physical endeavors with as much data as they can get.

And somewhere in between, somewhat unsure of its identity, there’s the new Fitbit Blaze ($200): a strange, mutant cross between fitness tracker and smartwatch.

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Fitness elements

The Blaze does everything other Fitbits do, such as accurately counting steps taken and flights of stairs climbed; sleep duration (and interruptions); and continuous heart-rate readings.

All that data shows up in Fitbit’s terrific app. (We shall overlook, for now, the two grammatical errors that appear on a single screen of its setup wizard.)

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In addition, the Blaze offers a few new features (at least they’re new to the Fitbit line):

“Connected” GPS: Some fitness bands — including the Microsoft Band 2 ($175) and the Fitbit Surge ($220) — have built-in GPS, so you can go for a run or a bike ride without also bringing along your phone just to map your route. The Blaze does not. Instead, it communicates wirelessly with your phone.

This feature is a little weird: If you have to carry your phone anyway, what good is the band? The watch can’t display your route — only the phone can. I guess Fitbit’s answer would be that the watch can show you stats about distance covered and altitude changes after your run. Of course, your phone can do that, too. So…?

Built-in workout guidance: The watch can guide you through your choice of three workouts: a warmup, a seven-minute workout, or a 10-minute abdominal routine. None require any equipment.

A little animated figure on the screen shows how to do each exercise, and of course, the watch keeps track of the time and vibrates when you should move on to the next one.

I imagine you’ll get tired of these three routines pretty quickly.

Awareness of 17 different activities: Like the Alta, which I reviewed here, the Blaze can auto-detect which activities you’re doing: hiking, running, basketball, weights, and so on. Very slick.