The latest articles on DEV Community by Liang Tang (@lovelettercreator). https://dev.to/lovelettercreator https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4148701%2Fbabd7165-914b-4875-a3df-63cecc9f9fc5.jpg https://dev.to/lovelettercreator en Liang Tang Tue, 29 Sep 2026 06:04:06 +0000 https://dev.to/lovelettercreator/i-built-a-99-love-letter-product-that-deliberately-doesnt-use-ai-5gkc https://dev.to/lovelettercreator/i-built-a-99-love-letter-product-that-deliberately-doesnt-use-ai-5gkc <p>There is no shortage of AI love letter generators. Type a name, pick a mood, get 300 words of statistically probable affection. I built the opposite.</p> <p><strong><a href="https://lovelettercreator.com" rel="noopener noreferrer">Love Link</a></strong> is a small product with one rule baked in: <strong>it never writes a single word for you.</strong> You write the letter. It handles the moment — an animated envelope that opens, typewriter-style text, themes, photos, stickers, doodles — and delivers it as a private page your recipient opens via link or QR code. No account needed on their side.</p> <p>Writing and previewing is free. Sharing a finished letter costs <strong>$2.99, one time</strong> (there's an optional $6.99/year subscription for frequent senders). Here's a live demo of what a recipient sees: <a href="https://lovelettercreator.com/p/example" rel="noopener noreferrer">https://lovelettercreator.com/p/example</a></p> <h2> Why refuse the free lunch? </h2> <p>Every competitor in this niche wires an LLM into the text box. It would have taken me an afternoon. I didn't, for three reasons:</p> <p><strong>1. The words are the product.</strong> A love letter's value is that a specific human wrote it — including the awkward parts. The awkwardness <em>is</em> the signal. "I don't know how to say this but" outperforms any polished paragraph a model produces, because the recipient knows whose hand was shaking.</p> <p><strong>2. Recipients can smell it.</strong> People are getting very good at detecting generated sentiment. A love letter that reads like it was written by an API call is worse than no letter — it tells someone you couldn't be bothered.</p> <p><strong>3. Pricing honesty.</strong> If the product writes the letter, I'm reselling inference and I have to charge a subscription to cover API costs forever. If the human writes the letter, my marginal cost is hosting a small private page — so I can charge $2.99 once instead of $9.99/month. The no-AI decision is what makes the honest pricing possible.</p> <h2> Stack, for the curious </h2> <ul> <li>FastAPI + Postgres on Vercel serverless</li> <li>React 19 + Vite 6 + Tailwind v4, deliberately no React Router — every public page loads through server-side SEO meta injection</li> <li>One-time checkout via Dodo Payments; the webhook, the success-page polling, and a reconciliation cron all converge on the same idempotent unlock logic</li> </ul> <p>The hardest engineering problem wasn't the envelope animation. It was making three payment paths agree with each other under races — solved with row locks and a processed-webhook dedup table, the boring stuff nobody demos.</p> <h2> The part nobody warns you about </h2> <p>Saying "no AI" out loud is a positioning choice with real costs. The search volume lives on "AI love letter" queries, and I deliberately don't get to rank for them. Some visitors arrive expecting a generator, find a blank page and a blinking cursor, and leave.</p> <p>But the ones who stay are the ones the product is actually for: people who already know what they want to say and just need a better envelope for it.</p> <p>If you've been putting off telling someone something, the preview is free and needs no signup: <a href="https://lovelettercreator.com" rel="noopener noreferrer">https://lovelettercreator.com</a> — write the words yourself. That's the whole point.</p> showdev webdev startup