
Description: Appvn is a third-party app store and marketplace for iOS and Android devices. It offers a large catalog of apps, games, and tweaks that are not available on the official app stores. Key features include free and cracked apps, easy installation, and a nice interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Uptodown is an app store and software directory that offers downloads for Android, Windows, Mac, Linux, and iOS. It features over 4 million apps and games across all platforms, providing direct download links and APK files for Android apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API