Mold Scanner vs Mold Identifier

The short version

These two apps answer different questions. Mold Identifier and AI Scanner is built to look at one surface and give it a Low, Medium, or High risk score, fast, on an iPhone. Mold Scanner is built to walk you through the whole home, screen every spot a professional inspector would check, and hand you a report you can act on or share.

Neither is a lab. Both screen what a camera can see, and a visual-only check catches roughly 30 to 50% of real contamination, because so much mold hides where no camera reaches. The right choice comes down to whether you need a quick read on one spot or a structured screen of the entire place.

Side by side

The spec table

Mold Identifier pricing and features reflect its published App Store listing at time of writing. See Sources below.

Single spot vs whole home

This is the core difference. Mold Identifier and AI Scanner is good at the thing it does: you point your phone at a surface and it scores the risk Low, Medium, or High. The limit is that it reads one spot at a time. If the patch you noticed is the only problem, that is enough. Mold rarely stays in one place, though, because it follows moisture, and moisture travels.

Mold Scanner is built around that reality. Instead of one photo, it guides you through a room-by-room screen of the whole home, so you check the spots a professional inspector would, not just the one that caught your eye. You end up with a picture of the entire place, which is the difference between treating a symptom and finding the source.

The report you get

A single-spot app gives you a risk score on a surface. Useful, but it stops there. Mold Scanner returns a structured report: the likely mold type, the likely water source feeding it, liability notes for renters and owners, and cleaning and PPE guidance you can act on. You also get a PDF evidence log.

That evidence log matters more than it sounds. If you are a renter documenting a problem for a landlord, or a buyer flagging an issue before closing, a dated report you can hand over is far stronger than a screenshot of a Low, Medium, or High score. It turns a phone scan into something you can use in a conversation that has money on the line.

Price and honest framing

On price, Mold Identifier and AI Scanner is free to download with one free scan per day, then $4.99 per week or a $19.99 one-time unlock if you want more. A weekly plan adds up fast if you forget to cancel, so the one-time unlock is the more honest comparison for ongoing use. Mold Scanner is pre-launch, so today the way in is the waitlist at moldscanner.ai.

On framing, one honest note for both. A photo result is a screen, not a medical result and not a lab diagnosis. Mold Scanner says this plainly: it is a screening tool, it makes no health claims, and it tells you it cannot see hidden mold inside walls, ducts, or subfloors. For symptoms, see a qualified physician. For high-stakes property, confirm with a lab sample or a licensed inspector.

Which one to pick

Plenty of people end up wanting both: a quick single-spot check the moment they spot something, then a whole-home screen once they realize mold rarely stays put. Whichever you start with, confirm anything serious with a lab sample or a licensed inspector.