Building a prototype costs between $5,000 and $100,000+, depending on complexity, tech stack, and team location—but most customers waste money by not knowing what drives those numbers. Understanding the real cost drivers and how to evaluate quotes will save you thousands and help you make better hiring decisions. Here's what you need to know before you spend.
What Actually Drives Prototype Development Costs
Prototype costs break down into labor, tools, and timeline. A simple web prototype with basic UI might take 2–4 weeks of one developer's time ($8,000–$16,000 in the US, $3,000–$6,000 offshore). A mobile app prototype with third-party API integrations typically runs 4–8 weeks ($16,000–$40,000). Complex prototypes involving real-time features, payment processing, or hardware integration balloon to $50,000–$100,000+.
The biggest cost lever is scope. A prototype that validates one core feature costs far less than one mimicking your full product vision. Developers charging by the hour will naturally expand scope if your requirements aren't locked down. Fixed-price quotes protect you—but only if you've defined what "done" looks like upfront.
Key Cost Variables to Compare
When evaluating quotes, don't just look at the total number. Break down what you're actually paying for:
- Development hours: How many weeks of work? At what hourly rate or per-sprint cost?
- Technology choices: Offshore teams using WordPress or no-code tools cost less than full-stack custom development; both are valid for MVPs, but they're different.
- Design included: Are wireframes, UI mockups, and user testing baked in, or quoted separately?
- Post-launch support: Does the quote cover bug fixes, revisions, or deployment, or does support cost extra?
- Third-party integrations: APIs, payment gateways, analytics—integrating existing tools is cheaper than building from scratch.
- Testing and QA: Rigorous QA costs 15–25% more but catches expensive bugs early.
Two quotes at $25,000 might be wildly different: one could be 6 weeks with a 2-person team, the other 4 weeks with a 4-person team. The second delivers faster but may sacrifice quality. Request a detailed breakdown by phase (discovery, design, development, testing, deployment).
How to Spot Overpriced and Underpriced Quotes
Red flags for overpricing:
- Vague estimates ("we'll scope it as we go" with no max cap)
- No mention of your specific tech stack—they're using a generic model
- Padding timelines without clear justification
- Separate charges for every conceivable thing (reviews, meetings, minor revisions)
Red flags for underpricing:
- Quotes 50%+ below market rate for your region and tech stack
- No discovery phase—they're skipping requirements clarification
- Promises of delivery in unrealistically short timelines
- Portfolios with no relevant prototype or MVP examples
A $8,000 quote for a native iOS app is likely a trap. A $15,000 quote for a landing page with payment processing is reasonable. Context matters.
What to Ask Before You Commit
Before signing, ask these specific questions:
- What's included in the discovery phase? (Wireframes? User interviews? Technical architecture spec?) This typically runs 1–2 weeks and costs $2,000–$5,000 but saves money down the line.
- What happens if I want to change scope mid-project? Get a clear change-order process. Most developers charge hourly for scope creep; fixed-price contracts should have a small buffer (5–10%) for minor tweaks.
- Who owns the code and IP? Ensure you have rights to the codebase, not just a deployed product you can't modify.
- What's your QA process? Ask how they test, whether they use automated testing, and if UAT (user acceptance testing) is included.
- What's the tech stack, and why? A developer choosing React over Vue, or Stripe over PayPal, should explain the trade-off, not just default to what they know best.
Where to Find Competitive Quotes
Get 3–5 quotes from different sources: local agencies, boutique dev shops, and vetted freelance networks. Compare not just price but experience—look for teams with shipped MVPs, not just corporate projects. Platforms like Mercoly let you compare and review trusted MVP and prototype development providers in one place, making it easier to spot value.
Frequently Asked Questions
Q: Is a $5,000 prototype realistic? Yes, if you're building a landing page with form submission or a simple single-feature web app. No, if you need mobile apps, real-time data, or complex logic. Be honest about scope.
Q: Should I go with a cheaper offshore team? Cost savings are real (30–50% less), but factor in time-zone delays, communication overhead, and revision cycles. A mid-tier team (Eastern Europe, Latin America) often beats pure cheap or local-only options.
Q: How long does a prototype actually take? Most credible quotes land between 4–12 weeks, depending on complexity. Anything faster than 2 weeks or slower than 16 weeks for a true MVP warrants scrutiny.
Start comparing quotes today to find the right balance of cost, quality, and timeline for your prototype.