Define the app idea and core features
Choose a free app builder or development platform
Use no-code tools like Glide, Adalo, Bubble, or Thunkable
Use free coding tools like VS Code, Flutter, React Native, or Android Studio
Create wireframes and simple screen layouts
Build the app using free templates or starter projects
Use free backend services like Firebase, Supabase, or Appwrite
Use free design tools like Figma or Canva
Test the app on your device or emulator
Fix bugs and improve usability
Publish on free or low-cost platforms where possible
Share the app through direct download, web link, or app stores
Keep using free tiers until you need paid features