Custom software decisions

    When does a spreadsheet workflow need a custom tool?

    A practical way to decide whether your team needs a better spreadsheet, an existing app, or a purpose-built internal tool.

    By Montrell Cruse · Published October 17, 2026

    Follow one real piece of work

    Choose a recurring task and follow it from beginning to end. Who enters the information? Who checks it? What happens when a value changes or an exception appears? Write down the handoffs before choosing a tool.

    A spreadsheet can be a good fit for flexible analysis, a small shared list, or a process whose rules are still changing. Better validation, a clearer owner, or a simpler workbook may solve the problem without a software project.

    Look for consequences, repeated work, and clear rules

    Custom work becomes more interesting when the same exceptions keep appearing and the process is important enough to maintain. The strongest signal is a recurring operating problem with a clear owner and a result you can check.

    • Several people overwrite or reconcile different versions of the same record.
    • A status, approval, or handoff depends on somebody remembering to send a message.
    • People repeatedly copy data from another system into the sheet.
    • An error affects purchasing, fulfillment, reporting, or a customer's experience.
    • The team can explain the workflow and its main exceptions.

    Compare three realistic options

    First, improve the current workflow. A useful change might be a single source file, agreed definitions, protected inputs, or a consistent review step. Second, check whether an existing product can cover the job at an acceptable cost. Third, scope the custom piece the other options leave unresolved.

    Compare ownership, ongoing costs, access, ease of use, and how failures will be handled. A custom tool can be a small addition to the existing stack. It does not have to replace every system in the company.

    An example from Rowvyn's own product work

    StallSmart is a market-vendor product in beta. It takes recorded sales, keeps them associated with the right products and markets, and turns that history into bring lists and packing checklists.

    The useful change is the workflow around the records: import review, product and market mapping, planning, and a phone-friendly checklist. This demonstrates a possible application of custom software. It is not a claim of measured inventory savings or a completed client engagement.

    Scope one useful version

    Bring a sample of the current process with sensitive information removed. Agree which users and records the first version will cover, what it must get right, and what it will leave for later. Define who owns the accounts and who maintains the tool after handoff.

    A good first scope names an operating result you can verify, such as preparing a reviewed packing list from imported sales. That gives the build a clear finish and makes the next investment easier to judge.

    Your workflow

    Talk through the problem in your business.

    Bring the current process, the tools involved, and the result your team needs. We'll work out the useful next step.