Build an App with AI

Get alerts for new marketplace deals with an app built by Claude

Paid alerts are a simple way to earn from a niche.

CSee how creators use Claude70 real creator cases
18marketplaces watched

Source

From @kotyzap on Reddit (r/vibecoding) · Oct 2026 · Share

Source image for Get alerts for new marketplace deals with an app built by Claude
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The Short Version

How u/kotyzap did it with Claude: Posted Oct 24, 2026 in r/vibecoding.

  • What: A collector built Deal Radar, a browser extension that watches 18 marketplaces and pings you when a matching listing appears, with almost all the code written by Claude.
  • Result: Posted Oct 24, 2026 in r/vibecoding.
  • Made with: Claude
Key Facts
Whou/kotyzap
ToolClaude
RevenueMonetization status unknown
SourceReddit (r/vibecoding)

Try It Yourself

PromptWorks in Claude
(Our template, not the creator's prompt.) I want to build a small paid app that fixes one annoyance: [problem]. Write the feature list for version 1 (one job only), a 5-step build plan with an AI coding tool, and a short honest launch post.

Starter tools

Your first step

Open Claude, paste the prompt above and swap the [brackets] for your own niche.

The workflow

GoalBuild an App with AI
ScriptClaude
18Resultmarketplaces watched

Made With

ClaudeScript · Anthropic's AI assistant for writing, products and building small toolsSee Claude AI casesTry Claude

Where & With What

What They Did

  1. 1The moveA collector built Deal Radar, a browser extension that watches 18 marketplaces and pings you when a matching listing appears, with almost all the code written by Claude.
  2. 2Step 2Build one small app for one job
  3. 3Step 3Launch with an honest post
  4. 4ResultPosted Oct 24, 2026 in r/vibecoding.

Quick Answers

What tools do you need?

Claude (anthropic's ai assistant for writing, products and building small tools).

How much does it cost?

You can start for $0: Claude has a free plan. Check each tool's site for current prices.

Is it allowed?

Follow the platform rules and disclose ads.

Watch out: Follow each marketplace's terms.

Full write-up & sources

Results: Browser alerts are free and Telegram alerts come with a paid plan.

Source

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