Hey everyone,
A couple weeks ago I shared how I built LastSend entirely on n8n (40+ workflows, Google Play Billing, media processing, the whole thing).
(How I built a SaaS backend entirely on n8n (40+ workflows, Google Play Billing, media processing) - Built with n8n - n8n Community)
But I want to share something that happened right after.
On February 19, I published my build story here. On February 21, just 48 hours later, the domain lastwithyou(dot)com was registered. By February 23, they had a live site with the same concept: posthumous message delivery with text, photos, videos, voice recordings, and a check-in dead man’s switch system.
The site is run by a Korean web agency called Webworks (webworks.co.kr). No named founder, no social media presence, no mobile app. Their support email is literally their domain registrar catch-all (domain@webworks.co.kr). They’ve since published dozens of AI-generated blog posts.
I’m not posting this to complain. I knew building in public had risks. But I want other builders here to be aware: when you share detailed build stories with architecture breakdowns, someone might use that as a blueprint. The n8n community post gave them the concept, the feature list, and the confidence that the idea works.
A few things I’ve learned from this:
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Get your SEO up before you share publicly. I had zero blog content on lastsend.app when I posted here. That was a mistake.
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Your moat is what they can’t copy. For me that’s the native mobile app, the trusted contact verification system, and the fact that I actually care about the people using this product.
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Building in public is still worth it. The connections and feedback have been more valuable than what the copycat can take.
If anyone else has dealt with this, I’d love to hear how you handled it.
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Hi @rohankumar
I’m really sorry this happened to you, it’s genuinely frustrating to see something you built with so much care being copied so quickly. It’s a tough situation and it makes total sense to feel bothered by it. Thanks for sharing this experience with the rest of us because it really helps everyone stay aware and take steps to protect their work when building in public.
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Hi Rohan,
I’m the creator of lastwithyou.com. I recently came across your post while checking my site’s SEO indexing, and I felt it was necessary to reach out. First, I want to sincerely apologize for not being upfront when you asked if I was a developer on Reddit—that was a mistake on my part.
I understand why you might feel this way, but I want to clarify that I did not “clone” or target your project. Here is the actual context of how LastWithYou was built:
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Independent Planning: I had been conceptualizing this service for months. When I finally decided to build it, I used Claude AI to perform market research. The AI analyzed about 10 existing similar services to help me gather feature ideas, but LastSend was not included in that research report.
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Discovery After Launch: I only discovered LastSend after I had already launched my site. My first interaction with your Reddit post was simply for backlinking purposes as part of my SEO strategy.
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Technical Differences: While you built a sophisticated backend using n8n, my site is built using pure legacy code (PHP, MySQL, JS, HTML/CSS). I have never used automation tools like n8n and was not even aware of your specific architecture until a few days ago.
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Market Commonality: As you may know, there are dozens of similar “posthumous message” services globally. When using AI for research, the results often converge on a similar set of “best practice” features (dead man’s switch, media attachments, etc.). What you see as a copy is actually the result of AI-driven research identifying common industry standards.
In fact, after discovering LastSend two days ago, I signed up to test it and was genuinely impressed. Your platform is excellent and operates on a different level of technical maturity than mine.
I am writing this not to argue, but to clear the air. There was absolutely no malice or intent to steal your hard work; I simply arrived at a similar concept through independent AI-assisted development.
I wish you the best with LastSend.
Best regards,
Andy
Okay thank you for clarifying. There were quite a lot of similarities for me to ignore it, that’s why I made a post.
I knew you were not really being honest on reddit in the comments.
Anyway, thank you for the kind words regarding my work.
I wish you all the best in your endeavors. 
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Thank you for understanding and for the well wishes. I truly respect your work and didn’t want any bad blood between us. I wish you great success with LastSend as well. Best of luck!
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