---
title: "Free Tools for Building Apps with AI | Flowmaps"
description: "Free tools for building apps with AI: a feature list generator, prompt checker, cost calculators and a PRD template. No account needed."
source: "https://flowmaps.app/tools"
---

# Free tools

Free tools for building apps with AI. They run in your browser. No account needed.

- [App feature list generatorFree app feature list generator: describe your app idea and get a first feature list in build order, ready to paste into Lovable, Bolt or Cursor.Open the tool →](https://flowmaps.app/tools/app-feature-list-generator)
- [Prompt checkerFree prompt checker for Lovable, Bolt, Cursor and Claude Code: paste a prompt and see what's missing before it costs you credits.Open the tool →](https://flowmaps.app/tools/prompt-checker)
- [AI coding cost calculatorFree calculator: see what your Claude Code or Codex use would cost at API prices, and which plan fits you. Pro, Max, Plus or ChatGPT Pro.Open the tool →](https://flowmaps.app/tools/ai-coding-cost-calculator)
- [Lovable credit calculatorFree Lovable credit calculator: see how many credits a month you use, how many go to fixing, and which Lovable plan fits you.Open the tool →](https://flowmaps.app/tools/lovable-credit-calculator)
- [PRD templateFree PRD template (product requirements document template) for Lovable, Bolt, v0, Cursor and Claude Code. Answer ten questions, then copy or download it.Open the tool →](https://flowmaps.app/templates/prd-template)