Germán Merlo

Build Check - Is your app idea actually worth building?

A free quiz for outsiders and vibe coders. Score your app idea across 6 dimensions and find out if it's worth building — before you spend weeks on it.

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Jack Behar

Love the focus on outsiders specifically. That perspective is usually what teams are missing. What’s been the most surprising insight people have gotten from using it so far?

Germán Merlo

@uxpinjack I feel people is more surprised when score is good than the opposite. Seems like we tend to look for a reason to stop (or not) doing something

Humayoun Kabir

What is you future plan about sustaining it? I my view, this should not have any cost for participants. And you'd need a strong iedntity verification system. Plus, this can become a marketing platform as well. A lots to think about. I'm sure you did your study. Great idea. Congrats.

Germán Merlo

@humayoun_kabir1 yeap! First approach is to give a better clear roadmap to build/launch if the idea is well scored. Matchmaking with partners, tech stacks or coaches is also I'm analyzing.

Lennart Rikk

I tested it out with sample prompt: "Tool where I can create websites using prompting", it worked great with the suggestions in the first section, but I'd say it dropped the ball somewhat as Lovable isn't even listed as "tools that already solve something similar":

Germán Merlo

@yodalr thanks for sharing man! This kind of feedback is what I actually need to keep it up and useful for many founders. Gappy to get any other feedback from you Lennart

Natalia Iankovych

Does it also evaluate the market and competition? This is one of the key parameters, but I don’t see it in the list...

Germán Merlo

@natalia_iankovych After the scoring the framework analyzes the idea and shows competitors or industry leaders. Also suggest a quick experiment to run.

Daniil Poletaev

Cool idea! Validation part is super important, but not many founders pay enough attention to that

Germán Merlo

@danshipit Yeah Daniil! It's just a very beginning but I'm sure the product can iterate so It can help many founders over there. Thanks for your support!

Fei YU

Interesting and useful idea! Congrats!

Germán Merlo

@fyuhkust Thanks Fei! Hope it's useful for many builders over there. At least saving a little bit of time and energy!

Huisong Li

Congratulations. And happy product launch. @german_merlo1

Germán Merlo

@huisong_li Thanks Huisong! I'm truly happy to be here again launching, learning and validating. Hope I can share some lesson then!

Jake Strack | miingl

How often does your application say that an idea is not worth building.

Germán Merlo

@jake_strack like this

Jitesh Ghanchi

this is great tool to save 2 years building something nobody wants.

Germán Merlo

@jiteshghanchi probably not 2 years but a big bunch of time and energy! Thanks Jitesh

Jitesh Ghanchi

@german_merlo1 yes. nowadays, a week’s worth of AI tokens feels like two years of hard work.

Jacinto Salz

As someone who's built a few too many things that are not worth my while, this seems like a good idea.

Germán Merlo

@jacinto_salz thanks man! I also did the same. So I know how that actually feels