“How much should HR software cost?” doesn't have a single answer, because the cost depends on how many modules you turn on and how many people are on payroll. What's actually worth comparing is the monthly cost per employee against the cost of running without a reliable system — a cost that almost never shows up on an invoice, but is real.
The more useful budgeting question isn't “what's the price?” It's “what do I need live from day one, and what can I add later?”
Cost is structured by module, not a single price tag
A well-designed HR platform doesn't charge the same for the basics as for the advanced layers. People management, time tracking and time off — the employee directory, clock-in, and leave calendar — are usually the baseline every company needs to cover legal obligations. Engagement, recruiting/development and executive analytics are additional layers that make sense once a company already runs structured hiring, career development, or needs a company-wide dashboard. Budgeting well means deciding which layer you need now, not paying for all six from month one.
The cost of not having it doesn't show up on an invoice
A labor inspection that finds an unreliable time record — reconstructed by hand, with no trace of who corrected what or why — isn't a theoretical risk. In Spain, the labor inspectorate (ITSS) can and does fine companies over exactly this. The same goes for overtime miscalculated by hand, or time off approved without any record of why. That cost doesn't appear in any software budget, but it's exactly the kind of cost a system with a reliable audit trail avoids.
Management hours: the invisible expense
Every hour HR spends rebuilding a time-off spreadsheet, manually correcting a bad clock-in entry, or hunting for an employee's data across three different places is an hour that costs that person's salary, even though it never gets logged as “software spend.” When comparing the monthly cost per employee of a system, it's worth adding up how many of those hours disappear.
How to think about the number, without exact figures
Cost per employee per month is hard to judge in isolation — it needs to be multiplied by headcount and compared against a single miscalculated payroll run or a single fine avoided. For a 40-person company, the monthly spend on time tracking is a small fraction of what a year of mishandled overtime could cost, or of the fine from an inspection that finds an unreliable time record. The budget makes sense when compared against the risk it replaces, not just against other tools on the market.
Comparing two vendors purely on monthly price, without checking which modules each plan actually includes, leads to false conclusions: the option that looks cheapest can turn out to be the priciest the moment you need something the other plan already included.
The right budget isn't the cheapest option or the most complete one — it's the one that covers what's legally required from day one and lets everything else grow at the company's real pace.