I finally found my niche, built the product, and launched. It was 10x harder than I ever imagined.

I just finished my journey building online service, and wanted to share the story, mostly because it was brutal, and really not easy.

I was obsessed with the relationship compatibility market because I have noticed that many people start to care about it. As we see with apps like CoStar and ThePattern. But I found them incredibly fragmented. They only explains about astrology. I saw a niche not for another simple tool, but for combining other concepts.

So, I built RelationScope. It's a web app that fuses four different systems into one comprehensive report. Astrology, MBTI, Four Pillars of Destiny(which is very popular in South Korea), and Face Reading.

The Lesson Learned: Honestly, the tech stack was the easy part. The real battle, the part that almost made me quit multiple times, was the crushing self doubt and isolation I faced every single day or every single minutes as a builder.

Finding the niche felt like a win. Committing to the idea felt like progress. But the brutal part was the 1,000+ hours of coding, bug-fixing, and redesigning, all while wrestling with the constant fear "Will anyone even care? or Will anyone know this service even existed? or What if it is total waste of my time?"

My biggest takeaway is that building a business isn't just about code or marketing; it's a psychological endurance test for sure. The product you launch is just the small artifact that survives the war you fight with your own mind. I'm just incredibly relieved to have completed it and finally put it out into the world. And I have 9 paid users from Meta ads.

Just wanted to share this journey.