Aysa gives you a list of possible matches to read through. RashScan gives you one clear report: what it most likely is, how serious it looks and what to do.
If you want a clear answer and next steps, RashScan gives you a full report in about a minute, in your browser or on iPhone, with no account. Aysa is a free app that shows possible matches for you to compare yourself.
| RashScan | Aysa | |
|---|---|---|
| Works in a browser | Yes, on any phone, tablet or computer, Android included | No, app only |
| iPhone app | Yes, plus the web app | Yes (English only) |
| Account needed | None. No name, no email | No account; a profile is stored on your phone |
| What you give it | Photo plus short symptom questions: itch, pain, fever, spread, triggers | Photo plus symptoms |
| What you get back | Most likely condition, confidence score, severity, treatment plan, healing timeline and warning signs | A list of possible matches with information about each |
| Time to result | About 60 seconds | Not stated |
| Free to start | Free to scan | Free |
| How you pay | Pay once for one full report, no subscription needed. Or Pro for unlimited reports | Free, no in-app purchases listed |
| Built for | Rashes and everyday skin problems | General skin symptoms for families |
Prices and features change. We checked Aysa's details on October 1, 2026.
See what RashScan says about your rash. Free to scan, no account, about 60 seconds.
Scan my rashAysa: free on both app stores, with no in-app purchases listed.
RashScan: scanning is free. The full report for one scan is a one-time unlock, with no subscription. RashScan Pro ($29.99 a month on the web) gives unlimited full reports. The iPhone app offers in-app subscriptions.
If you want one clear answer, how worried to be and what to do tonight, RashScan gives you that in about a minute, without downloading anything.
If you prefer a free app and are happy to read through possible matches yourself, Aysa is an option. Whatever tool you use, a rash with fever, blistering, fast spreading or swelling of the face needs a doctor, not an app.
Every fact about Aysa on this page comes from these pages, checked on October 1, 2026.
RashScan gives one report with the most likely condition, a confidence score, severity, a treatment plan and warning signs. Aysa shows a list of possible matches for you to review.
No. Aysa's website says it is available for iPhone and Android. RashScan works in any browser and also has an iPhone app.
Yes. Both app stores list Aysa as free, with no in-app purchases (checked October 1, 2026).
No. RashScan never asks for your name or email.
Upload a photo in your browser. No app, no account, about 60 seconds.
Scan my rashEducational guidance only, not a medical diagnosis.