Johan Terpstra
@JohanBuildsFTW
Leeuwarden, Friesland, Netherlands
Social Links
Products
- PunditorLaunching 2026 · invite-only
Post live football commentary with both sets of fans in one room. Pick a side, react as it happens, no algorithm. Launching around the 2026 World Cup, invite-only to start.
Recent activity
- Commented onReworked my app after your liability feedback. Now deciding: keep going or move on — what would you do?
- Commented onOur AppSumo deal fell through, so I built v1 instead of waiting
- Commented onOne of my first 10 users became a daily user. The other 9 didn't.
- Commented onThree Days Before Launch, I Let My Own Tool Tear Me Apart
- Commented onYour next interview shouldn't be your first practice.
- Commented onShow IH: Built a free Shopify app that shows ingredient safety ratings on beauty product pages — looking for beta testers
- Commented onThree Days Before Launch, I Let My Own Tool Tear Me Apart
- Commented onI got my first $159 in sales after realizing I was building in silence
- Commented onI built a free multilingual AI nutrition tracker solo — launching on Product Hunt today!
- Commented on3 weeks after I posted CapyBro here: what Product Hunt, the Microsoft Store, and a stack of blog posts actually did
- Commented onI built and launched a Google Ads audit tool in 48 hours and here's exactly what I did!
- Commented onI got tired of pasting client documents into ChatGPT and hoping for the best
- Commented onI built a tool to help job seekers bypass the application black hole
- Commented onMy image tool has zero server costs by design — now comes the hard part: distribution
- Commented onI spent 4 months building a Google Business Profile tool — 450K lines of code, solo, $0 revenue so far
- Commented onI built a CSV cleaning tool after wasting too much time on dirty data.
- Commented onHow an Army Officer & an Adidas Employee Quit Their Jobs to Build a Web Tool with 550K+ Daily Impressions
- Commented onI Built an App to Solve My Own Training Problem
- Commented onWe’re building ClaviSay to help people learn English from what they already read
- Commented onI built and launched a Google Ads audit tool in 48 hours and here's exactly what I did!