# Early AF > Market research and marketing guidance for solo app builders. Free daily idea plus Reply Radar (listen → score → queue for manual reply). Not a hub, agency tool, auto-reply product, or full marketing suite. Early AF (earlyaf.ai) helps solo app builders find realistic opportunities, understand who needs them, and show up in public conversations worth answering by hand. ## What you get today - [Home](https://earlyaf.ai/): Wedge overview — free daily idea, Reply Radar, research → first experiment - [Blog](https://earlyaf.ai/blog): Long-form guides for solo builders (idea discovery, audience research) - [How to find app ideas people actually need](https://earlyaf.ai/blog/how-to-find-app-ideas-people-need): Method for spotting recurring problems before you code - [How to research your app audience before you build features](https://earlyaf.ai/blog/how-to-research-your-app-audience): Naming who has the problem from real conversations and reviews - [Reply Radar (GitHub)](https://github.com/robbybuilds/early-af-reply-radar): Chrome extension — listen on Reddit/X, score for ICP fit, queue locally; you reply yourself ## Honest limits - No auto-listen-as-a-service hub today (north-star ambition only) - No auto-reply, DMs, or outreach blasts - No ads suite, rankings promises, or invented engagement volumes - Agencies are not the ICP we write for today ## Optional - [Privacy](https://earlyaf.ai/privacy) - [Terms](https://earlyaf.ai/terms) - [llms-full.txt](https://earlyaf.ai/llms-full.txt): Longer product and content summary for agents - [sitemap.xml](https://earlyaf.ai/sitemap.xml)