# AI App Builder Free > What free AI app builder plans really include, how their limits are metered, what you can finish without paying, and the open-source route. AI App Builder Free (aiappbuilderfree.com) is a guide to building an app with AI without paying, and where the free plans stop. It is published by General Action, the company that makes Emdash (https://emdash.com/), and is not an independent review site: where it recommends Emdash, it is recommending its publisher's own product. ## Pages - [AI App Builder Free](https://aiappbuilderfree.com/): Free AI app builder plans give you a small, metered allowance, enough for a prototype. See the kinds of limit, four routes to a free build, and when to pay. - [Free-tier limits explained](https://aiappbuilderfree.com/guides/free-tier-limits-explained/): How free AI app builder plans are metered in credits, messages or tokens, which features sit behind paid walls, and how to read any pricing page quickly. - [Making free credits last](https://aiappbuilderfree.com/guides/making-free-credits-last/): Ten practical habits that stretch a free AI app builder allowance, matched to how your plan is metered, plus the shortcuts that do not save credits. - [Open-source AI app builders](https://aiappbuilderfree.com/guides/open-source-ai-app-builders/): Open-source AI app builders and coding agents you can run yourself, each with its licence checked on GitHub, and the one cost that open source does not remove. - [What you can build for free with an AI app builder](https://aiappbuilderfree.com/guides/what-you-can-build-for-free/): A realistic guide to project scope on a free AI app builder plan, with a way to size your idea, examples that fit the allowance and examples that will not. - [About AI App Builder Free](https://aiappbuilderfree.com/about/): Who publishes AI App Builder Free, why the site exists, how it handles recommendations of its publisher's own product, and how to report a correction.