How long should it take to build an MVP?

MVP timelineSaaS MVPBuild MVP Fast
Diya Kaneriya
Diya Kaneriya
January 2, 20267 min read
How long should it take to build an MVP?

Stop ! ! Before you read about timelines, do you actually know what an MVP is? Because if you think it's just a "simple version" of your product, everything below will mislead you.

How Long Should Your SaaS MVP Actually Take? (Hint: Not 4 Months)

founders who oftenly burn through six figures and eight months building a SaaS MVP that nobody wanted. And founders who validate their idea with a janky prototype in four weeks, then raise a seed round two months later. The difference wasn't talent. It wasn't budget. It was how they thought about timelines.

The "Industry Average" Is a Lie You Keep Telling Yourself

Google "how long to build a saas MVP?" and you'll find the same recycled answer everywhere: 2-4 months. Sometimes they'll hedge with "it depends on complexity" and call it a day.

But there's a lot things those blogs won't tell you. That 2-4 month figure? It comes from averaging together fintech apps with regulated compliance needs, consumer products requiring native mobile builds, and simple SaaS dashboards that could launch in weeks. Lumping them together is like averaging the cooking time for toast and thanksgiving turkey, then wondering why your meal is ruined.

For a focused SaaS MVP, the realistic timeline is 30 days (4 weeks). Not 4 months. Not 8 weeks. just 30 days. The founders who take longer usually aren't building more, they're deciding less for sure.

Why SaaS MVPs Move Faster

hour-glass

SaaS products have a structural advantage most founders don't appreciate. You're building for browsers. That means one codebase, no app store approval delays, instant deploys, and real-time iteration based on user feedback. Compare that to mobile apps where a bug fix can sit in Apple's review queue for a week.

There's also the infrastructure factor. Between Stripe for payments, Auth0 or Clerk for authentication, Vercel or Railway for hosting, and a dozen other plug-and-play services you're not building from scratch anymore. The plumbing that used to eat up month one? It's a Tuesday afternoon now.

A CB Insights analysis of 480+ startup failure post-mortems found that 42% of failures came from building something nobody needed. If you haven't tested your idea before building read this to know more about how to test your idea before building , cause speed won't save you. But if you have? Speed is how you get to the truth before your runway disappears.

The 30-Day SaaS MVP : Your Week-by-Week Roadmap

I know 30 days sounds aggressive. And honestly, for certain products it is. But for most SaaS MVPs targeting a specific problem with a clear user? It's not just realistic, it's probably the ceiling you should set.

how that breaks down in practice (the fastest way to build a Saas MVP):

  • Week 1: Scope lockdown and design
    This is where most teams blow it. They skip straight to code without ruthlessly prioritizing. Your MVP should test ONE core assumption. Not three. Not "the whole vision but simpler." One.

  • Week 2-3: Core feature build
    Authentication, your primary workflow, basic data persistence. That's it. No admin dashboards. No analytics integrations. No email sequences. Those come after you know someone actually wants this thing.

  • Week 4: Polish, test, ship
    Fix the embarrassing bugs. Make sure the happy path works. Deploy. Get it in front of real users. Iterate.

A HackerNews thread asked founders whether you could build an MVP in one week. The consensus? 30 days is the sweet spot fast enough to maintain urgency, long enough to build something real. One commenter put it bluntly: "90 days is definitely too long, and if it takes you that long, chances are you're getting too invested."

The Real Cost of Taking Too Long

learn-fast-or-fall-behind

Every month you spend building is a month you're not learning. And in startups, learning is everything.

Startups using the MVP approach get to market roughly 35% faster according to SDH Global's research. And those that validate quickly show a 60% higher success rate based on Startup Genome's 2024 data.

What Blows Up Your Timeline (And How to Avoid It)

I've seen the same patterns derail SaaS MVPs over and over again.

Believe me The "just one more feature" trap. still exist in the market. Every feature you add on will take 1-2 weeks minimum. And somewhere i have read the kicker MVP Launchpad shared a case study where a founder spent $20k building every feature they imagined users would want. After launch, 80% went completely unused. They rebuilt focusing on the core 20% for $3k. Engagement tripled :(

The perfectionism spiral. Paul Graham nailed this one: "Several distinct problems manifest themselves as delays in launching: working too slowly, not truly understanding the problem, fear of having to deal with users, fear of being judged, excessive perfectionism."

That last one hits different, doesn't it? Most timeline bloat isn't technical. It's emotional. You're scared to show something unfinished because it feels like showing up to a job interview in sweatpants, right?.

Waiting on consensus. If you need three co-founders, two advisors, and your mom to approve every decision, are you seriously building? i guess no you're just stalling. Ship ugly. Get feedback. Fix it live.

But What If My SaaS Is "Complex"?

Fair question. Some SaaS products genuinely need more than 30 days. If you're building in healthcare with HIPAA requirements, fintech with compliance overhead, or enterprise SaaS with complex integrations. yeah, you might need 45-60 days.

But here's the thing: even complex SaaS can have a 30-day core MVP. Healthcare SaaS? Build the scheduling feature first. Fintech? Build the transaction view before the compliance dashboard.

But be honest with yourself. Is your product actually complex, or have you just complicated it?

I talked to a founder last year who swore his SaaS needed six months minimum. Three integrations, custom reporting, multi-tenant architecture. We mapped out what he actually needed to validate his core hypothesis: could small agencies save time managing client projects with his tool? That's the mindset shift. Turns out he could test that with a Notion template and a Calendly link. Not even code. He got 15 paying beta users in two weeks, THEN built the real product knowing exactly what they'd pay for.

Your MVP isn't supposed to prove you can build software, It's supposed to prove someone wants what you're selling.

That's the mindset shift.

The Uncomfortable Truth About MVP Timelines

Founders don't need permission to ship faster. They need permission to ship worse.

"if you're not embarrassed by the first version of your product, you've launched too late."

But people misread that quote. Embarrassed doesn't mean broken or unusable. It means feature-light. It means admitting your grand vision is still just a hypothesis.

Your SaaS MVP should take 30 days, maybe 45 tops. If you're heading into month three without users touching your product, something's wrong and definitely it's not the code.

At Innew, 30-day delivery isn't a special offer or a sprint package. It's just how we work. While other agencies treat speed as an upsell, we've built our entire process around getting MVPs to market in a month because that's what actually makes sense for validating startup ideas. Fast isn't impressive to us anymore; it's baseline. So tell us what's actually stopping you from shipping next month?