Founders often arrive at a stack decision already anchored to whatever framework is loudest online that month. That's the wrong starting point. The right stack is the one that matches your actual constraints — team, timeline, and what the product needs to do — not the one with the most conference talks.
Start from your constraints, not a framework's popularity
Before comparing technologies, get honest about what you're actually optimizing for: time to a testable version, cost of the first build, or how easy the codebase is to hand off or hire for later. Different stacks win on different constraints — there's no universal right answer, only the right answer for your specific tradeoffs.
Mobile: cross-platform unless you have a real reason not to
For most startups validating a mobile product, React Native and Expo get you to both app stores from one codebase, faster and cheaper than maintaining two native builds — the same reasoning we lay out in our React Native vs. native comparison. Native still wins for products built entirely around platform-specific capability, not as a default preference.
Backend: boring and proven beats clever
An MVP backend doesn't need a microservices architecture, a custom queueing system, or three databases. It needs to work reliably and be simple enough for the next engineer to understand in an afternoon. We default to pragmatic, well-understood choices like Node.js and Firebase specifically because boring is fast to build and cheap to maintain — clever architecture is worth paying for later, once you know what you're actually scaling.
The real cost of the trendy choice
A framework that's one year old has a smaller hiring pool, thinner documentation, and a real chance of a breaking rewrite before your product matures. None of that shows up in a comparison chart of raw performance numbers — it shows up eight months later when you need to hire your second engineer and can't find one who knows the stack.
- What are you actually optimizing for — speed, cost, or long-term maintainability?
- Can you hire for this stack in your market, not just in theory?
- Is the ecosystem mature enough to cover the features you'll need in year one?
- If this framework disappeared tomorrow, how expensive would that be to recover from?
We're specialists in one stack — React Native and Expo for mobile, React and Node.js for web and backend — precisely because going deep on a proven set of tools produces fewer surprises than chasing whatever's newest. If a technical assessment turns up a genuine reason to deviate, we'll say so before you've spent a cent on the wrong architecture.