Although there are pros and cons to tracking your health data too closely, if and when you choose to weigh yourself, you should be doing it with the best, most useful scale. I personally use an iHealth Nexus, and I absolutely love it.
And since it's on sale during Amazon's Prime Day, I'll tell you why, in case you decide you might like it too. (It's great, but I still would have rather paid less for it.)
I got this thing in December, when I was going through a phase where I decided using tech to more closely monitor my health data was the way. After I'd invested in a new Apple Watch (to get a better sense of how many calories I was burning and how much sleep I was getting), I figured I'd better take the next step and buy a smart scale that would sync up with my Apple Health app, simplifying all the complexities of who I physically am into graphs and numbers.
The iHealth Nexus was my choice, and I'm really happy with it. It offers readings of your weight, body fat percentage, body water percentage, muscle mass, lean mass, and bone mass, and it calculates your BMI, daily caloric intake, and visceral fat. Obviously, a lot of that is probably somewhat made up (and BMIs are a poor measure of your overall health), but I do like that seeing and tracking it all is an option.
What I like about the iHealth Nexus smart scale
My favorite thing about the scale is how easily it syncs with Apple Health, which in turn syncs it with all the other apps I use for things like tracking my workouts and calorie intake. Even my telehealth apps are linked to Apple Health, so the scale's data is instantly shared with every single app and platform I use. The readings appear on my phone the instant I step on the scale (of course, the most basic measurement of my weight also appears on an LED screen on the device itself).
I also appreciate that, in addition to showing me my daily readings, the app automatically creates graphs that illustrate changes over time. It's nice to see trends in my weight or BMI reflected in a way that is easy to understand, instead of manually comparing each day's reading to the one before.
Finally—and this isn't as important to the device's performance as it is to my personal preferences—it's sleek, and actually looks nice in my bathroom: flat, pure white, aesthetically pleasing, and light enough for me to nudge out of the way with my toe when I'm done with it. I got my boyfriend one in black after concluding it would look really sharp in his bathroom too.