Keep renting your software - or build your own?
People on your team who use the software.
The per-seat price on your current plan.
A one-off quote for building your own version.
Enter your users and SaaS price to see what renting your software really costs.
- SaaS, over 5 years
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- Custom build, over 5 years
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SaaS cost grows with your team and the vendor's yearly price rises. A custom build is paid once, then maintenance and hosting every month. Everything is calculated in your browser - nothing is stored.
Build vs buy, explained.
When does building custom software make sense?
When you pay per seat and your team keeps growing, when you pay for features you don’t use - or work around ones that are missing - and when the tool is core to how you run. The calculator shows the money side; the fit with how you work matters just as much.
How is the comparison calculated?
Month by month. SaaS costs your number of users times the price per user, with both rising once a year by the growth and price-rise rates you set. A custom build is paid once, then maintenance and hosting every month. The break-even point is the first month the build’s running total drops below what SaaS would have cost.
What should the build cost include?
The one-off cost to design, build, test and launch your version - including moving your data across and training the team. If you don’t have a quote yet, ask for one: most internal tools are scoped in a single call.
Why is maintenance a percentage of the build cost?
Because it scales with how much there is to look after. Around 15% a year covers bug fixes, security updates and small improvements for most business tools - more if you plan to keep adding features.
Isn’t SaaS always cheaper to start with?
Usually, yes - there’s no upfront cost. The question is how the lines cross over time. Per-seat pricing grows with every hire and every price rise, while a build you own costs roughly the same whether ten people use it or a hundred.
Is my data stored anywhere?
No. Everything runs in your browser - nothing you enter is sent to us or saved.
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Software shaped around how you work.
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