About ManCang Apps
Building thoughtful software that respects your privacy
Our Mission
Creating software tools that make a difference
ManCang Apps is an independent software studio dedicated to building high-quality applications that solve real problems. We believe great software should be intuitive, efficient, and respect user privacy.
Every product we create follows the same principles: local-first data processing, no unnecessary tracking, and a focus on user experience over monetization tricks.
Privacy First
Your data stays on your device
Performance
Fast and resource-efficient
User Focus
Built for real user needs
Quality
Crafted with care
Our Products
Tools designed to help you work smarter
HighlightSnap
Sports Highlight Marking
An intelligent moment marking and video editing tool designed for sports enthusiasts, coaches, and content creators. Use Apple Watch to mark exciting moments during activities, then create highlight reels with professional transitions.
SignioPDF
PDF Reading & Editing
A lightweight, cross-platform PDF tool built for speed and simplicity. Read, edit, and sign PDF documents with a modern application that runs on Windows, macOS, and Linux. Open source under MIT license.
Our Principles
Local Processing
All our apps process data locally on your device. No cloud uploads, no external servers, no data collection.
Works Offline
Our apps don't require internet connection to function. Use them anywhere, anytime, without restrictions.
No Tracking
We don't use analytics, telemetry, or any form of user tracking. Your usage is your business.
Lightweight
We believe software should be efficient. No bloat, no unnecessary features, just what you need.
Multi-Language
Our apps support multiple languages to serve users around the world in their preferred language.
Open Source
Some of our tools are open source, allowing community review, contribution, and transparency.