GTM Sauce

Go Tall · B2C · height prediction app for teens

Let the height prediction change weekly as people log sleep, meals and stretches

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What they did

Free features include stretches, meal scanning and sleep logging. The height prediction updates over the weeks based on logged growth and habits, becoming more accurate the more users log, giving a reason to keep the subscription after the first prediction.
Stage
product

In their words

This Stupidly Simple App Makes $100K/Month

Play from 12:06
12:00

Pat WallsAnd do you have to pay and subscribe for the app to see the the ultimate prediction?

12:06

MichaelYes, correct. So that part is paid, but you can do sort of, you know, stretches, you know, you can scan meals and you can log your sleep. And the whole thing is that your height prediction is going to like change as the weeks go by. The more you actually log it on the app, since like we can see how much you've been growing, it will actually give you like the most accurate height prediction.

12:28

Pat WallsYou get them in the door with this height prediction, which everyone is excited to see what it is, but then you keep them on subscription over, "What kind of habits can I do to help potentially," obviously, there's no guarantees you're going to increase your height. It's a lot of genetics and things like that, but maybe there are some habits that can help you, you know, get a little bit more marginal gain from it.

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Tags: habit-tracking, freemium, updating-result