Blink Comparison vs Sentinel Lens

Side-by-side comparison of two open source alternatives

Blink Comparison

The concept of "blink comparison" method is simple - the app allows you to quickly switch pictures without delay so you can see the differences. "Blink comparison" method uses high efficiency pattern recognition by human eyes, to permit quick verification between a reference picture and an actual one being taken on the spot. For example, in the goal of detecting tampering in high contrast nail polish tamper-evident seals. ๐Ÿ“‹ Features * Free and Open Source software (FOSS) * Support for various platforms and devices (currently Android only) * Add and store reference pictures in the app or take a photo on the spot * Encrypting images (optional), making it harder to steal or replacement * Compare a reference image with the one just taken using "blink comparison" method * Helps to take a compared photo in the correct position, at the correct angle, lighting and distance * Material Design 3 * Night theme * Responsive UI for different devices form factors For more information, please see here: https://github.com/proninyaroslav/blink-comparison/blob/HEAD/README.md Privacy Policy: https://github.com/proninyaroslav/blink-comparison/blob/HEAD/PRIVACY.md

Sentinel Lens

Sentinel Lens is a facial recognition surveillance app that uses your Android device's camera to record video in the background (with no live preview) and sends Telegram alerts when unauthorized individuals are detected, based on a configurable blacklist and whitelist. Key Features Background Recording Discreet Capture: Record video silently in the background without any visible camera preview. Saved Camera Footage: Automatically store recordings for later review. Front or Back Camera: Choose either camera lens for optimal coverage. Advanced Facial Recognition Facial Recognition Surveillance: Analyze recorded frames to identify known and unknown faces. Configurable Watchlist: Maintain custom blacklist and whitelist entries to control alerts. Real-Time Alerts Telegram Alert Integration: Send instant notifications via Telegram when a watchlist match is detected.

FeatureBlink ComparisonSentinel Lens
LicenseGPL-3.0-or-laterGPL-3.0-only
Install sources
F-DroidGitHub
F-DroidGitHub
Categories
Password ManagerMedia PlayerVideo
Password ManagerMedia PlayerVideo
Features
Ad-FreeOpen SourceNo Tracking
Ad-FreeOpen SourceNo Tracking
Platforms
Android
Android
Website
Source code