ThumbMark - Fingerprint Scan
Fingerprint Analysis Tool
About
This offline tool allows users to capture, organize, and analyze high-resolution fingerprints locally. It offers multiple viewing modes for detailed ridge examination and ensures all data remains on the device.
What's New in ThumbMark
1.2.1
September 13, 2026
- Fixed a crash when opening the camera on newer iPhones. - Added crash and error reporting so we can support you better.
Subscriptions & In-App Purchases
Thumbmark Pro Week
Get Thumbmark Pro for a Week
Developer apps
FAQ
Does ThumbMark have ads?
No, ThumbMark does not contain advertisements. The app is free to download and offers optional in-app purchases for advanced features.
What are the subscription options for ThumbMark Pro?
ThumbMark Pro offers weekly ($2.99), monthly ($5.99), and yearly ($49.99) subscription plans. These unlock unlimited subject profiles and advanced export capabilities.
How does ThumbMark ensure user privacy?
ThumbMark guarantees 100% local processing. All captured fingerprint data stays on your device and is never transmitted to the cloud, ensuring maximum privacy.
What devices is ThumbMark compatible with?
ThumbMark is currently supported on iPhones and iPods. It is designed for iOS devices.
How often is ThumbMark updated?
The latest version, 1.1.0, was released on September 2, 2026. Updates are released periodically to improve functionality and add features.
What analysis modes are available in ThumbMark?
ThumbMark provides three distinct viewing modes for each capture: RAW, EQ (Equalized), and BIN (Binarized). These modes help expose maximum ridge detail for analysis.
What is the age rating for ThumbMark?
ThumbMark has an age rating of 4+. This indicates it is suitable for a wide range of users.
Can I organize fingerprints by finger type?
Yes, ThumbMark allows detailed organization by logging subjects and organizing captures for left and right-hand fingers, including thumbs, indexes, middles, rings, and pinkies.
