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Notes on custom software for SMEs
What manual process really costs, what custom really costs in 2026, and how AI changed the economics.
2026-09-10
How much custom software costs in Spain (2026)
Option D in plain numbers: €1,900 Diagnosis, one flow €6,900–14,900, licence from €390/mo. Market vs Wallion table, TCO example, fixed-quote checklist.
2026-09-08
When an MVP is worth building
An MVP is for selling or learning with real users. It is not a half-built internal tool and not a prototype you throw away. When yes, when no, and what to sign.
2026-09-08
MVP or internal tool
The same team can build both. They are not the same commission. How not to call something an MVP when only your people will use it — and which price band applies.
2026-09-08
Fixed price or hourly
Billing by the hour and closing a scope are not the same risk. Who pays when scope moves — and how to choose without a contract that never ends.
2026-09-08
What is a studio MVP
A studio MVP is the smallest slice a stranger can finish — with written scope, a date, and someone on the other end. What it is, what it is not, and what it actually costs.
2026-09-07
What AI automation for SMEs is
AI automation for an SME is removing a stable step and connecting tools — not “adding intelligence” on top of a mess. When yes, when not, and what it costs.
2026-09-07
Who owns the code
In custom software, “you own the code” rarely means one thing. What to ask before you sign — and what Wallion actually offers.
2026-08-31
When to automate a process (and when not to)
Automating an SME flow is worth it only if the step is stable, the data is clear, and someone sees the failure. It is not a project to "add AI".
2026-08-31
Replacing the spreadsheet
Four signs a spreadsheet no longer survives the month, and what to do before you commission an internal tool.
2026-08-31
Integrate what you have, or build
When it is enough to connect the tools you already pay for, and when the gap needs a new piece — without opening five projects at once.
2026-08-31
Extra hands, or a closed project
Putting people on your backlog is not the same as commissioning a scoped delivery. How to choose without opening an endless contract.
2026-08-31
Custom software or off-the-shelf
How to decide whether a catalogue tool is enough or you need one built for your process, without opening an endless quote.