Target audience: Know your target audience's needs and objectives.
Market research: Understand the market and your competitors.
User experience: Combine the user interface (UI) and information architecture (IA) to create a great user experience (UX).
Platform: Choose the right platform and technology for your app. Consider your target audience, market reach, and demographics.
Features: Include essential and unique features.
Security and privacy: Ensure your app is secure and private.
Budget and timeline: Plan your budget and timeline.
Testing: Test your app extensively before releasing it to the public to ensure it runs well on different devices and operating systems.
Monetization: Consider how you'll generate revenue from your app, such as in-app purchases.
Marketing: Invest in a marketing strategy to acquire more users and drive engagement.
Wireframing: Use wireframing to validate your app's design and features.
App Inventor LINK with App inventor MIT
XCode- see Dr. R
TouchDevelop -https://www.touchdevelop.com/app/
Lightwellhttps://www.youtube.com/watch?v=dnJaXJKDVIw&feature=youtu.be
App Inventor Resources
Also check the Game Design Page under More Game Resources....
App Inventor Blog: Steve Young
App Launch Checklist by Steve Young:
Swift by Apple-Use you iPad to Code-Coding apps
Additional App Inventor 2 Resources
MIT App Inventor: Building your first app: HelloPurr
GROK (Hopscotch)-Make your own apps or games
How to Make Android and iPhone Apps for Free
https://www.youtube.com/watch?v=QnbKkRC3dNs
Code with Chris-for iPhone apps - Using Xcode6 free app
http://codewithchris.com/1-introduction-to-the-tools-and-materials/
Beginning lessons with Chris -How to make an iPhone App,http://codewithchris.com/how-to-make-an-iphone-app/?utm_source=Code+With+Chris+Newsletter&utm_campaign=c3cd60d015-SH001B-02&utm_medium=email&utm_term=0_93706d4e73-c3cd60d015-90063529&goal=0_93706d4e73-c3cd60d015-90063529&mc_cid=c3cd60d015&mc_eid=1275567a4f