FiscaLLM: See which AI users cost more than they pay you

Hi Product Hunt, I'm the maker. AI apps charge a flat price but pay a variable cost, and I couldn't find anything that showed which users lose money, especially for apps sold through the App Store and Google Play via RevenueCat. FiscaLLM joins the two. Your backend reports model name and token counts after each AI call (never prompts or answers). RevenueCat, Stripe (beta) or your own code reports payments. You see margin per user, plan and free trial, plus budget alerts and optional spend caps that fail open. It's MIT, with TypeScript and Python SDKs, and you can self-host it so your data never touches a third party's servers, or use the free hosted version. Honest limits: it needs a backend between your app and the AI provider, Stripe is beta (tested on sample payloads), and there are no customers yet. The demo runs on sample data: https://fiscallm.com/demo?utm_so... Code: https://github.com/magna56/fiscallm I'm looking for the first 10 apps to try it. What would make this useful for yours?