The 2 apps in production are MAUI Blazor Hybrid apps. The learning curve was very small since I already was familiar with C# and Razor syntax after having built many C# server-side rendered web apps. Development is quite rapid since it's essentially using web technologies. For my use cases, the users do not care about the app looking native as these are B2B apps. Both apps are deployed in the 2 major mobile app stores and 1 app is also deployed in the Microsoft Store.

The 3rd app was an internal-only Android app built with the UI written entirely in C# instead of XAML. I chose to write the UI in C# instead of XAML primarily just for fun and to see how that would work out. I ran into a lot more issues using native UI when it came to me wanting to customize things, such as removing an annoying bottom text underline/border that is added by default to Entry (textbox) controls.

I'll probably never build another native UI app if I have the choice and will stick to MAUI Blazor Hybrid apps because it is so much faster to create the app using web technologies (HTML/CSS).

https://github.com/collections/game-engines

https://github.com/collections/javascript-game-engines

I also envisioned this same type of tool around 10 years ago and it is still on my ever growing list of ideas to implement. I took the idea further to support not only SQL but other languages such as HTML, JavaScript, Python, C#, etc. You could then support returning different types of media based on the URL extension such as .html to return a webpage, .json to return a JSON API, .csv to return a CSV file, etc. As time marched on, many of these same ideas came to fruition in things like AWS Lambda, Jupiter Notebooks, Microsoft Monaco Editor, etc.

I can only speak for my experience, but I couldn't make it work financially and we would have gotten a lot more done had we used those funds to pay for 1 or more nearshore or offshore resources. It created a fun environment and I think everyone learned and grew from the experience, but from a productivity and financial point of view, I don't think it was worth it.

So based on your experience with Eastern European devs, I think your money would be best spent on hiring 1 or more additional devs from Eastern Europe.

How it works:

  1.  Attacker leases 1 or more premium rate numbers in an international country.
      - Attacker can lease a premium rate number for as little as $10/month
      - Typically, the attacker gets to keep 70% of the money generated by the premium rate number.

  2. Attacker then finds companies with OTP (One-Time Passcodes) or 2FA (Two-Factor Authentication) endpoints that require no validation and writes a script to automate the webpage or call the API endpoint
     - Attacker will typically obtain a new IP address per API call using a VPN or a rented botnet from the dark web.

  3. If the premium rate number costs 10 cents, then each successful text message they can send to the number generates 7 cents for them.

  4. The attacker then just needs to send 150 SMS to the premium rate number to break-even on their $10 investment, not counting the cost of the VPN or rented botnet.

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