Streamline your modern work life with efficient tools for leave planning and internal communication. Connect with colleagues through an integrated organizational directory for faster collaboration.
3.5.5
July 18, 2026
Tuning Performance
D-Happy is a business application designed to help users efficiently plan their leave and communicate with people within their organization through a contact directory.
Yes, D-Happy is available for free, with no in-app purchases or advertisements, making it accessible for all users.
D-Happy is compatible with iPhone, iPad, and iPod devices, offering a broad reach for Apple users.
The latest version of D-Happy is 3.5.5, and it was last updated on July 18, 2026, indicating regular maintenance and updates.
D-Happy has an age rating of 4+, making it suitable for a wide range of users.
D-Happy was developed by PTT Group, a known entity in the business sector.
The provided information does not specify whether D-Happy supports offline functionality. It is designed for modern work life, which typically implies online connectivity.
