First timer, best way to manage water?

Hey guys, we are finalizing a tub purchase this week, taking delivery in a little over a month. I want educate myself about the water treatment beforehand. I know there's plenty of resources out there (and I'll be reading those) but I wanted to see what you all recommended I use for testing.

Should I get a Taylor kit? I really like the specificity it seems to offer, but if it's overkill then I won't worry about it. By contrast, I don't like the subjectivity of "how close is the color?" on the test strips, but can learn to deal with that. I do like that Taylor has an app but does it help with dosing measurements, is it any good? Is there any other app that's more useful and does the same? What about the floating digital water testers? Are any of them accurate/worthwhile? TIA!