How accurate is Skinby?
When Skinby names a condition, it is one the reviewing dermatologists had listed 91% of the time, on 371 face photos it never trained on. That holds at 87% or higher in every skin-tone group. The accuracy page shows every number and how it was measured.
Is Skinby a dermatologist?
No. It is a skin scan that shows a visual resemblance, not a diagnosis. It tells you what something looks most like, what the evidence says helps, and when to see a doctor in person.
What can it recognise?
It was trained on 50 skin conditions. It names common ones such as acne, rosacea, eczema, psoriasis, seborrheic dermatitis, perioral dermatitis, folliculitis, hives, cold sores and ringworm. Serious look-alikes are never named from a photo; they get a clear "see a doctor". It never judges moles or growths.
Does it work on my skin tone?
Yes. Accuracy was measured separately for every skin-tone group, from the lightest to the deepest, and is 87% or higher in each. Colour readings are measured against your own skin, not one standard.
How does a scan work?
Hold the phone up and turn slowly. The front camera tracks 478 points on your face the whole time and captures only when the light, the angle and the focus pass. Skinby then maps your face, reads it and writes your answer, all on the phone.
Can I scan with makeup on?
You can, but for the clearest read, scan with a clean face in soft daylight. Makeup can cover redness and marks.
Can it check my skincare products?
Yes. Scan a barcode or paste an ingredient list and you get Good fit, Use with care or Not a fit for your skin, with the reason and the official label.
How much does it cost?
Scanning your face, checking products, your routine and the library are free, with no limit and no account. Premium is $12.99 a month or $69.99 a year with a 7-day free trial. It adds every pattern in your own data, what changed between scans, skin over time, a routine built for you and unlimited questions.
Can I cancel anytime?
Yes. Premium is an App Store subscription, so you can cancel in two taps from your iPhone settings and keep it until the end of the period.
Where do my photos go?
Nowhere. Your photos are read on your phone and deleted as soon as your answer is ready. There is no account, no ads and no tracking.
Who is it for?
Anyone in the United States aged 13 or older who wants a clear answer about their skin.
When does the iPhone app launch?
It is being tested now. Join the list and you get one email the day it is on the App Store, and nothing else.
Is there an Android app?
Not yet. Skinby is built for iPhone first.