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My question is: why do an Oral-B app and a Colgate app even exist?
Possibly a controversial opinion here but… who cares? I don’t mean this in a snarky way. If you’re an app developer you’ve got limited development time like everyone else. Most phones have at least 128gb internal memory and the app is downloaded over WiFi. I just don’t see this as a constraint. Sure you could have a CDN and lazy load but then the app doesn’t work without internet. Just dump it all on the device.
It reads quite a bit differently now :D
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To who? Say I have an app with 1M downloads. Who do I sell 1M email addresses and the fact they've bought a toothbrush to?
People who install a tooth brushing app will probably buy all kinds of electronics stuff, so I'd wager that such a list would be somewhat valuable.
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The app can tell you which teeth are correctly cleaned (i.e. you spend enough time on it) and which teeth you forgot or went too fast. Personally I just used it once and ended up removing it, but I can see some people using it to ensure their brushing is efficient. Anyway, it's completely optional, you can just use the brush ignoring the existence of the app.
That’s actually kind of cool. That’s exactly the sort of feedback that gets me to do things correctly. Detailed feedback has enabled me to consistently work out, wake up early and eat healthy. They’ve helped me keep those good habits going for 4 years now. I’m the kind of guy these apps are built for.
What if you (for whatever reason, doesn't matter) only ate on the left side of your mouth for dinner? You'd spend plenty of time on the left side, but the app might tell you you've done a bad job on the right. Further, depending on what you ate, it might take longer than whatever their predetermined time is to clean the side that had a disproportionate amount of food on it.
What if you have had a tough time with a couple of "problem teeth" that need a bit more love? Is the app capable of tracking where those "problem teeth" are and ensuring that you're spending extra attention there?
I dunno... to me, it seems like it's a no brainer to me when my teeth are clean - I can feel it. Unless a toothbrush has some detailed sensors in the head, I'm gonna seriously doubt its ability to tell me when my teeth are actually clean.
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The app can tell you which teeth are correctly cleaned (i.e. you spend enough time on it) and which teeth you forgot or went too fast. Personally I just used it once and ended up removing it, but I can see some people using it to ensure their brushing is efficient. Anyway, it's completely optional, you can just use the brush ignoring the existence of the app.
How does it know which tooth you’re cleaning?
How does it even have a census of your teeth?
Some people have wisdom teeth, while other people don't.
Some people have been on the losing end of a bar fight with carneys, and some people haven't.
My question is: why do an Oral-B app and a Colgate app even exist?
They need some reason to make you think that a $$$ toothbrush that is yet another device that takes up another electrical outlet and space on your bathroom countertop is better than a $2 brush you can keep out of sight in a drawer and that you will never forget to charge.
Perhaps the answer is to put the toothbrush in a different room!
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To collect data so they can do marketing and advertising to customers.
How does that work here? Say I have that toothbrush, the app, and say I had to sign up to use it. What they know is how long the toothbrush is on. How are they going to monetize that data?
It's partially because of developer laziness and partially because Apple tools sux - there is no tree shaking or dead code removal from compiled cocoapods or swift packages. Apple probably don't care and more than happy to sell you the next shiny device with more storage or subscription to iCloud.