The exact process we use to ship iOS and Android apps in 4-8 weeks. No shortcuts that break at scale. By David Friedman , Founder of AppBrewers I have shipped 40+ mobile apps in the last five years. Some took 4 weeks. Some took 12. The difference was never the idea -- it was the process. Here is the exact process we use at AppBrewers to ship production mobile apps in 4-8 weeks. Step 1: Validate Before You Build (Week 1) The 100 Euro Validation Test Before writing code, spend 100 Euro and one week to answer three questions: Does anyone want this? -- Create a landing page with a waitlist. Run 50 Euro of ads. If fewer than 10 people sign up, kill the idea. Will they pay? -- Email the waitlist. Offer a pre-order at 50% off. If fewer than 3 people pay, the problem is not painful enough. Can I build this? -- Map the core feature. If it requires more than 3 screens, it is too big for v1.…