Price is one of the first questions businesses ask, but the cheapest quotation is rarely enough to make a responsible decision. Software development costs depend on the type of application, technical complexity, integrations, security requirements, user volume, design requirements, testing, and long-term maintenance.
A quotation should therefore explain what is included rather than presenting one unexplained number.
Before accepting an estimate, ask:

How was the cost calculated?
What assumptions were made?
How many development hours are expected?
Is UX/UI design included?
Is quality assurance included?
Are integrations included?
What happens when requirements change?
What support is provided after launch?

KernDev states that pricing is based on the project's delivery model and technical complexity. Its structured estimation process is designed to provide cost transparency, and businesses can book a free consultation to discuss scope and receive an estimated cost and roadmap.
A software development agency should also explain what can cause the estimate to change. For example, integrating with an undocumented legacy system may require additional investigation. A project involving financial transactions may require more security and testing than a basic internal dashboard.
Case study example: A growing e-commerce company requests a customer application and receives three quotations. The cheapest excludes several integrations and post-launch work. The middle proposal includes the major integrations but leaves security testing unclear. The third clearly defines development, QA, deployment, and support. The business chooses based on total project responsibility rather than the initial number alone.
KernDev's experience across thousands of projects gives its teams exposure to different technical and operational requirements, helping businesses evaluate scope before development begins.