Notice every
mole change.
J-Skin measures your moles to the millimeter, compares photos over time and creates a PDF report for your doctor — all privately, on your phone.
See the change your eye can’t catch
The same mole 600 days apart. J-Skin overlays photos perfectly and calculates the difference in millimeters — you just drag the slider.
Designed for regular monitoring
From body map to dermatologist report — every step is simple and repeatable.
Every mole has its place
Front, back and 16 anatomical regions.
Repeatable photos
Exposure lock, ghost overlay, coin calibration.
4 modes
Privacy by design
No account, no cloud, no tracking. AES-256 encryption and PIN/biometrics.
PDF report for your doctor
Photo history, measurements and ABCDE assessment — ready for your visit in one click.
Your data never
leaves your phone.
No account
No registration or login required.
Zero tracking
No analytics or ads.
AES-256 encryption
Access protected by PIN or biometrics.
Your backup
Optionally on your Google Drive.
J-Skin vs other apps
| Feature | J-Skin | Other apps |
|---|---|---|
| Data stays on your phone | Usually sent to a server | |
| Automatic measurement in mm | Rarely available | |
| Auto photo alignment | — | |
| 7-coin calibration | None or 1 coin | |
| PDF report for doctor | — | |
| One-time payment | Usually subscription | |
| 5 interface languages | 1–2 languages |
Start free, unlock once
Try full functionality with no time limits. Pay once — no subscription.
Full version
- Unlimited moles
- All features and comparison modes
- Unlimited PDF reports
- Free updates forever
Download J-Skin
Take care of your skin today.
A few minutes a month is enough to calmly monitor your moles.
Get it on Google Play