A solo founder's honest recap of building HadaBuddy: 508 commits, 4 Apple rejections, one Gemini API key, and the parts nobody writes about. I started building HadaBuddy on March 28, 2026. I had it live in the App Store 24 days later. I didn't quit my job. I didn't take vacation. I have a full-time engineering role I genuinely love, and HadaBuddy got built in the cracks: weeknights after my kid went to bed, Saturday mornings before the household woke up, the occasional Sunday afternoon when I should have been doing literally anything else. This is the recap. Not the LinkedIn humblebrag. The real one, with the parts that didn't go to plan. What I was building HadaBuddy is an AI ingredient scanner for skincare. Scan any product with your phone, by barcode or by ingredient label, in any language, and it tells you what each ingredient is doing in your jar, whether it's likely to fit your skin, and what to actually do with the product.…