Start with the business system, not a screen count
The same five screens can be a simple brochure experience or the surface of a complex operational system. Cost follows permissions, integrations, data rules, offline behavior, compliance, and launch risk more than it follows the number of mockups.
Useful planning ranges
A focused product discovery engagement commonly starts in the low thousands. A validated web MVP often begins around $18,000, while multi-platform products, deep integrations, or regulated workflows can reach six figures. The honest number comes after the riskiest assumptions are made visible.
What a responsible estimate includes
Look for explicit assumptions, included roles, milestone outcomes, third-party costs, ownership terms, testing depth, launch support, and a change process. A single number without boundaries is not a plan.
How to lower cost without lowering quality
Reduce the first audience, narrow the core workflow, use proven infrastructure, defer non-critical integrations, and define what evidence would justify the next phase. Cutting accessibility, security, or testing simply moves cost into production.
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