Build an indicative estimate from your own inputs.
The calculator creates a planning scenario and a copyable summary. It is not a fixed quote or guarantee.
Open the free calculator →Define the workflow before the technology
The strongest cost estimate starts with the current process: who performs each action, what information is required, which approvals exist, where delays happen and what result the business needs. Technology choices should follow the workflow.
Modules, roles and permission depth
A simple CRM with leads and follow-ups is different from a system with customers, orders, inventory, commissions, finance, reports and role-based approvals. Each module and permission path adds development and testing combinations.
Integrations and external services
Payment gateways, accounting tools, WhatsApp providers, email, maps, shipping, government APIs and legacy systems introduce third-party documentation, credentials, rate limits, webhooks and failure handling.
Data migration and cleanup
Moving spreadsheets or an old database requires field mapping, validation, duplicate handling, trial imports and reconciliation. Poor source data can consume more effort than the import code itself.
Reports, dashboards and exports
Reports should be defined with sample columns, filters, date rules and user access. “Need all reports” is not a testable requirement; each decision-making report should have a clear business owner.
Security, auditability and backups
Custom software should include role-based access, secure authentication, protected secrets, logs, backups and recovery procedures. Sensitive or regulated information requires additional controls and professional review.
Phased delivery reduces risk
A focused first release allows the team to validate the workflow before investing in every requested feature. Later phases can add automation, mobile access, deeper analytics and integrations based on real usage.
Common questions
No. It is a planning model. A quotation requires confirmed requirements, responsibilities and acceptance criteria.
Yes, when the first release has a focused scope, realistic design and clear ownership. Low price becomes risky when critical work is silently excluded.
It should identify deliverables, exclusions, milestones, payment terms, technology, deployment, credentials, testing, support and change-request handling.
Kailvex can review the requirement, identify a maintainable first phase and prepare a scope-based proposal.