This app uses your phone's camera and light to visualize veins under the skin in real-time. It applies specific light absorption techniques to highlight veins against the skin, with adjustable settings for optimal viewing. The app is for educational and research purposes only.
1.3
September 14, 2026
Bug fixes
$4.99
Full Access
Full, permanent access
Vein Finder is intended for educational and research purposes to help visualize subcutaneous veins in real-time using your iPhone's camera. It highlights veins by processing camera frames based on haemoglobin's light absorption properties.
No, Vein Finder is not a medical device and must not be used to guide clinical procedures such as venipuncture or IV placement. Always consult a qualified healthcare professional for any medical interventions.
No, Vein Finder utilizes your iPhone's built-in camera and torch, requiring no additional special hardware for vein visualization.
The app processes camera frames using haemoglobin imaging techniques, specifically by subtracting a scaled green channel from the red channel (R − s·G) to make veins stand out against the skin.
Vein Finder offers an adjustable torch with continuous brightness control, an enhance slider to tune signal strength to your skin tone and lighting, and a contrast slider to improve visibility in varying conditions.
Yes, Vein Finder allows you to capture photos of the processed vein visualization and save them directly to your iPhone's photo library.
The latest version of Vein Finder was released on June 23, 2026, indicating recent development activity. The app was first released on April 10, 2026.
Vein Finder has an average rating of 2.9 stars based on 7 ratings, suggesting mixed user experiences.
