Spark Mail app

Spark is an intelligent email application developed by Readdle, a company founded in Ukraine. The software is designed to help users manage their inboxes with smart filtering and collaboration tools. While the parent company has global operations with offices in various countries, its core development and engineering origins are rooted in Ukraine. Readdle remains an independent private company, focusing on productivity software for iOS, macOS, Android, and Windows platforms. It is widely recognized for its high-rated utility apps in the Apple ecosystem and beyond.