Android Apps to Address book integration

Gmail, a cornerstone of Google's productivity suite, is a free, web-based email service renowned for its intelligent organization, powerful search capabilities, and integration with other Google services. Available across various platforms, it remains a leading choice for personal and professional communication.

aCalendar is a feature-rich calendar and task management application designed for users who need robust synchronization, detailed event management, and a user-friendly interface.

ALTO Mail is an intelligent email client designed to simplify real-life organization. It offers a unified inbox, robust features like built-in calendars, and integration capabilities to streamline communication and tasks.

Soocial was a cloud-based synchronization service designed to keep your contacts consistent and up-to-date across various devices, applications, and platforms, including computers, phones, and web services.

Zoiper is a versatile and easy-to-use SIP softphone designed for clear voice and video communications. It offers excellent audio quality, robust security features, and seamless integration with various communication protocols, making it ideal for personal and business use.

Google Contacts is a contact management tool integrated with your Google Account, providing a centralized and accessible platform to store, organize, and manage your contacts across all your devices.

FullContact is a comprehensive platform designed to help businesses and individuals manage, enrich, and unify their contact information. It goes beyond a simple address book, providing powerful tools for cleaning data, discovering professional details, and integrating with existing workflows to create a complete view of every contact.

Inky is a feature-rich email client prioritizing security and a clean interface across Windows, macOS, iOS, and Android. It offers seamless multi-account management, robust privacy features including encryption, and integrations for enhanced productivity and organization.

EssentialPIM is a versatile personal information manager designed to help you organize your life. It allows you to manage appointments, tasks, notes, contacts, passwords, and more, all within a single, customizable application available for desktop and mobile platforms.

Microsoft Outlook is a comprehensive personal information manager designed for managing email, contacts, calendars, and tasks.