No-code tools win for simple, single-system triggers.
If the job is when X happens in one tool, do Y in another, an off-the-shelf automation platform is faster and cheaper to set up than a custom build, and it's the right first move.
They start to strain with multi-step exceptions.
The moment a workflow needs conditional logic across several systems, retries, and a visible exception queue that a person can actually work from, most no-code platforms become a tangle of workarounds rather than a clean solution.
Per-task pricing adds up quietly.
Many automation platforms charge per execution. A workflow that looked cheap in a demo can become a significant recurring cost once it's actually running your real volume, which is worth modelling before you commit.
Ownership is the real difference.
A custom-built workflow is something your team can understand, modify, and eventually own outright. A no-code automation lives inside someone else's platform, tied to their pricing and their roadmap.
A reasonable way to decide.
Start with the off-the-shelf tool if the workflow is genuinely simple. Move to a custom build once the workflow touches more than two systems, needs real exception handling, or the per-task cost starts to rival what a proper build would cost.
Bring your workflow, your constraints, and the outcome you want to achieve.