Notes for founders.
What mobile and web apps cost, how to choose a stack and how to launch a product without a large team. Written by the people who build them.
Pricing · 5 min
How We Estimate MVP Cost: Methodology Behind the 65Seven Calculator
A transparent view into the inputs, multipliers and assumptions powering quick MVP estimates.
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Operations · 4 min
Outsourcing vs In‑House Engineering: Real Cost Savings Without Quality Trade‑offs
Where global teams reduce spend by 40–70% and how to keep velocity, security and quality intact.
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Technology · 5 min
React Native vs Flutter for MVPs in 2025: Which Should You Choose?
A practical comparison on delivery speed, performance, hiring, and long‑term maintainability for MVPs.
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Pricing · 7 min
Mobile App Development Cost in London (2025): A Realistic Breakdown
Transparent pricing for iOS, Android and cross‑platform apps in London with line‑item estimates you can benchmark.
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