No-code and low-code tools let people assemble forms, workflows and simple apps by dragging and configuring components instead of writing code. Low-code allows some programming for the awkward parts; no-code aims to avoid it altogether. Both exist to make building simple tools quicker and available to people who are not programmers.
They suit straightforward internal needs and quick experiments. Their limits appear when a business needs complex rules, heavy volumes, strict permissions or deep connections to other systems. A sensible approach is to use them where they fit, and to build properly where the process is central to how the company earns its living.