Product Engineering

When to build custom software instead of buying an off the shelf tool

Off the shelf software is usually the right first move. Here is how to tell when it stops being enough and custom software actually pays off.

When to build custom software instead of buying an off the shelf tool
Huzaifa Javaid·Founder, Khronix·5 min read

Buy off the shelf software when your process is fairly standard. Build custom software when your process is not standard and you are bending an off the shelf tool into a shape it was never designed for. Most businesses should start with the first option.

A ready made tool is built, tested, and maintained by a team whose full time job is that one piece of software. For common needs like invoicing, email marketing, or basic project tracking, this is almost always cheaper and faster than building something from scratch.

A few patterns tend to show up when a business has outgrown off the shelf software: your team has built spreadsheets just to bridge the gap between two tools that do not talk to each other, you are paying for features you do not use to get the one feature you do, or your process is a real part of how you compete and forcing it into generic software means giving up what makes you different.

Custom software takes longer to get running than signing up for a tool, and it needs someone to maintain it after launch. That is exactly why it should be reserved for cases where the off the shelf option is genuinely limiting the business, not just slightly annoying to use.

Ask whether the problem is with the software or with the process. If your process is standard and the software is just not configured well, that is a setup problem, not a build one. If your process is genuinely different and that difference matters to your business, that is when custom software starts to make sense.

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