this post was submitted on 09 Nov 2023
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Finding the right balance between my work as a founder and my personal life, including my fitness, has always been a top priority for me. I was pretty committed to staying fit, hitting the gym regularly since 2019 -- but the pandemic came and I gained everything back and more.

Earlier this year I decided to get back into shape and focus on strength training. I set clear goals and consulted friends (who are fitness coaches) until I felt confident enough to work out on my own.

I used to have a personal fitness coach and subscribe to weekly meal plans, which were great (but pricey). This kept me wondering if I could achieve similar results on my own—and save some money. This led me to experiment with ChatGPT.

I soon realized there was a gap in the market for a new kind of fitness app, which inspired me to build Fit Senpai.

We pushed hard, launching the MVP after just 6 weeks of development, and I'm proud to say we've hit $260 in revenue. It's not a headline-grabbing number, but it's a milestone, and every milestone matters.

It was once just an idea and just a ChatGPT wrapper (which I know some of you hate). But hey, it's now starting to generate revenue.

The next steps are to grow our user base and ramp up marketing efforts or even build our own LLM.

We’re on this journey, step by step, rep by rep.

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[–] vitruvian__man@alien.top 1 points 1 year ago

How did you market the product?

[–] Blackadder_@alien.top 1 points 1 year ago (1 children)

This is pretty cool. Can you eli5 what exactly did you do under the hood with GPT. Is there any proprietary data you have used?

I’m mulling over a project to help first time founders and your explanations would help quite a bit how to think about my project

[–] Impressive-Towel-705@alien.top 1 points 11 months ago

So sorry for the late response. I’d say the comprehensive prompt used in the tool. I continue to improve and iterate based on user feedback. I’ve spoken to professional fitness trainers and dietitians to make sure it’s providing the best output possible.

[–] friend_of_kalman@alien.top 1 points 1 year ago (1 children)

8 5-star reviews on a website looks sketchy to me if i were a customer

I hear you. I still have to update the data— adding more reviews. As you noticed the reviews were back in Aug. thanks for pointing this out!

[–] IkHaalHogeCijfers@alien.top 1 points 1 year ago

... or even build our own LLM.

Don't do this, you don't need a LLM to generate a fitness plan. It's like getting groceries with a monster truck. Sure it can work but its totally overkill, unsophisticated and expensive. Also, generating meal plans with with LLMs can be dangerous since its mathematically inaccurate. You don't need AI to generate a meal plan or fitness plan unless you want them to be hyper personalized. In that case, you need recommender systems, not a LLM.

[–] prateekgoel06@alien.top 1 points 1 year ago

Looks great! How did you find early users? What was the process to get to paid users like?

[–] psilosyn@alien.top 1 points 1 year ago

Anyone thinking of following this kind of thing for getting healthy, it is absolutely not the way to go.

For those who decide to go forward with such an unsophisticated approach, enjoy breaking your body down and having nobody to help you fix it, or paying thousands later in life for someone to help fix all the damage you did following oversimplified routines.

[–] pecika@alien.top 1 points 1 year ago (1 children)

Nicely done. Best of luck with it

Thank you. 🙏 i’m ramping up efforts on short form content, let’s see where it goes

[–] Various_Low3880@alien.top 1 points 1 year ago (1 children)

fuckin chat wrappers why didnt i make one 9 months ago. DAMN MY MORAL COMPASS AGHHHH

[–] pknerd@alien.top 1 points 1 year ago

You still have a chance. 80% ppl can't use gpt including your mom and Granny

[–] Various_Low3880@alien.top 1 points 1 year ago (1 children)

small UI note, on screen sizes > 600px > 800px (like most tablets will have) your hamburger icon gets covered up by the sign up button, and at some sizes its not clickable because the sign up button covers it too much.

Wow. Thanks for this! I noticed this with iphone 15 but was able to fix. I’ll check on that sizes you mentioned.

[–] maxpain2011@alien.top 1 points 1 year ago (1 children)
[–] Impressive-Towel-705@alien.top 1 points 11 months ago

None yet! But have received a lot of requests on mobile app. So it’s on the pipeline

[–] ckapucu@alien.top 1 points 1 year ago (1 children)

What is your tech stack? Is it nocode or what?

[–] Impressive-Towel-705@alien.top 1 points 11 months ago

Supabase, vercel :)

[–] ashish_feels@alien.top 1 points 1 year ago (1 children)

well this is awesome i am also working on something similar, lol. Great achievement mate

[–] Impressive-Towel-705@alien.top 1 points 11 months ago

Thank you! Lmk what app is this. Maybe we can work on something if there’s synergy