You can ship a real app without heavy coding. This guide gives a weekend checklist that uses free tools only. You plan one use case, map 4–5 screens, link a Google Sheet, and publish as APK or PWA. I compare MIT App Inventor, Thunkable, and Glide. I show how to add forms, lists, and simple auth. I include a copy-ready privacy note and a small QA sheet for tap targets and offline cache. By Sunday night you have a working demo that friends can try on their phones. You also get a short list of next steps so you can improve with real feedback.