This tool generates and validates test credit card numbers for developers and QA professionals. It supports various card types and export formats, functioning offline for enhanced privacy and security.





10+ similar apps compared and reviewed
Whether you want more options like Nmap Handbook or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.













This tool generates and validates test credit card numbers for developers and QA professionals. It supports various card types and export formats, functioning offline for enhanced privacy and security.


This app transforms JSON data into interactive, visualized trees directly within Safari. It offers instant visualization, data type indicators, and easy navigation through complex structures. Customize your viewing experience with light and dark themes.


A comprehensive YAML utility for developers on iOS. Visualize, format, convert, and generate code from YAML files. Includes validation and a dedicated syntax keyboard for efficient editing.




This client connects to OpenCode running on your computer. It allows for seamless interaction with your development environment from your mobile device.


Analyze the source code of any webpage directly within your iOS Safari browser. This tool offers professional syntax highlighting, advanced formatting options, and efficient access to HTML, designed for developers and web enthusiasts.




Instantly retrieve high-resolution app icons in various sizes for presentations, blog posts, or design projects. Export as PNG, save to your library, or copy to the clipboard. Customize with iOS corner masks for authentic presentation.