How much does custom software development cost?
What shapes the cost of custom business software and how to scope a project to control it.
Software cost follows complexity, not size
Custom software is priced by the work involved: how many distinct things it must do, who uses it, what data it handles and what it connects to. A small tool with unusual rules can cost more than a larger one with conventional features, so be wary of estimates based only on screen count.
The main cost drivers
Expect proposals to differ mainly on these points.
- Features and business rules: each workflow, calculation and exception has to be designed, built and tested
- Users and roles: permissions, approval flows and audit trails add logic
- Data: structure, migration from spreadsheets or older systems, reporting and exports
- Integrations: payments, email, accounting, CRM and other third-party systems
- Platforms: a web application, a mobile app and a desktop application are separate deliveries
- Security and compliance needs: authentication, access control, logging and review
- Quality assurance: testing and fixing is part of delivery, not an optional extra
Ways to keep a project in control
Start with the smallest version that solves the core problem, release it, and then extend it based on real use. Fix the priorities in writing, agree how changes are estimated, and ask for the plan to be broken into stages you can review. This keeps scope honest and lets you stop or redirect without losing what you have paid for.
The cost of running it afterwards
Software needs hosting, updates, monitoring and occasional improvements. Budget for them from the beginning and confirm what the agency provides. KR Studio’s support options are described on the Support page, and ownership of code, data and accounts on the Ownership page.
For a starting range on your own scope, use the project configurator. Final pricing is confirmed after a requirements review.
Frequently asked questions
- Is it cheaper to buy off-the-shelf software? Often, at the start. Custom software makes sense when off-the-shelf tools cannot match how your business works, force costly workarounds or cannot connect to your other systems.
- Can custom software be built in stages? Yes, and it is usually a good idea. A first version covering the essential workflow can be released and extended as you learn what is most valuable.
Related KR Studio services
Read next
- How much does custom website development cost? — The factors that move the price of a custom website, and how to budget before you ask for quotes.
- How to choose a web development agency — A practical checklist for comparing agencies and spotting weak proposals.
Planning a project?
- Start a Project — configure your scope and see an estimated range and delivery timeframe