Glossary
What Is Custom Software Development?
Custom software development is building software designed specifically for your business requirements — not adapting off-the-shelf tools to fit a workflow they weren't designed for.
Custom vs. off-the-shelf:
| Off-the-shelf | Custom | |
|---|---|---|
| Cost | Low upfront | Higher upfront |
| Fit | Generic | Exact |
| Lock-in | Vendor-dependent | You own it |
| Scale | Platform limits | Your limits |
When custom wins:
- Your workflow doesn't fit existing tools
- You're losing margin to platform commissions
- Off-the-shelf hits a ceiling on the one feature that matters
- You need to own your customer data
When off-the-shelf wins:
- Standard use case with no custom logic
- Pre-revenue validation stage
- Budget under €5k
What custom software development includes:
- Requirements and technical spec
- Frontend (web and/or mobile)
- Backend (API, database, auth)
- Deployment and hosting setup
- Handoff with documentation
How long it takes: A focused custom tool: 4–8 weeks. A full SaaS platform: 8–16 weeks with a senior developer, 4–6 months with an agency.
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