The takeaway
Start with the workflow you need to support. A ready-made service can suit standard needs and a short launch window. Custom development can suit workflows or integrations that existing products do not support well. Compare the complete costs and responsibilities over the same period before deciding; there is no universal break-even deadline.
Check the fit before comparing prices
List the user journeys, permissions, integrations, and reporting needs that matter to your team. Test a ready-made product against that list rather than assuming every workflow needs custom code.
If important requirements cannot be supported, scope the smallest custom release that addresses them. A combination of existing services and custom integrations may be more practical than replacing every tool.
Compare the complete operating cost
For SaaS, examine subscription tiers, implementation, integrations, training, and export or migration costs. For custom software, include discovery, development, hosting, third-party services, monitoring, updates, and support. Compare both options over the same period using costs relevant to your business.
Custom software does not automatically remove subscriptions or become a financial asset under your accounting rules. Confirm accounting treatment with your adviser and distinguish an illustrative estimate from a project quote.
Agree data responsibilities and handover
For either option, check hosting locations, access controls, backups, data export, and the provider's contractual terms. Privacy and security requirements depend on the data and the intended use; custom development alone does not establish compliance.
For custom work, specify the delivered source files, documentation, ownership or usage rights, and licenses for existing and third-party components. Agree who maintains the product after launch and what support is included. Source access, clear licenses, and usable documentation help a future maintainer take over.