Honest comparisons of the ways to check for mold — phone apps, DIY test kits, and professional inspections — including what each one genuinely cannot tell you.
There are only three real ways to answer "is that mold?" — look at it, sample it, or hire someone to inspect it — and each one answers a different question. These comparisons lay out what a phone app can and cannot do (it screens what is visible; it cannot confirm a species, measure moisture inside a wall, or produce a report an insurer will accept), what a test kit actually measures, and when paying an inspector is the only option that works. Start here if you are deciding what to spend money on.
"Mold app" covers four different kinds of tool that solve four different problems. Here is what each type does, what none of them can do, and how to choose without wasting money.
Why a mold-specific inspection app outperforms general home inspection tools for early detection, photo identification, tracking, and actionable remediation decisions.
A licensed inspection is worth every penny in some situations and a waste of money in others. Here is how to tell which one you are in.
Most people buying a mold test kit want to know whether they have a problem. That is often the one question a kit cannot answer.