Sync CardDAV contacts easily & securely
Sync all your CardDAV contacts across countless other apps and devices. The secure sync.blue® cloud platform helps you to get this done with just a few clicks. No software installation required.
Made in Germany
GDPR compliant
Proud of our customers
sync.blue® is successfully used worldwide by renowned customers from various industries.
Trusted by our users
Join our satisfied customers who trust sync.blue® for their contact synchronization needs.
How does contact synchronization work with sync.blue®?
sync.blue® is set up in just 3 steps:
Create a free sync.blue®
account. ⚙️
Link source and destination
from over 80 apps.
Provide your team with the
contacts - done! 🎉
How CardDAV contact sync improves your contact management
Enjoy all these advantages when syncing your CardDAV contacts using sync.blue®.
1-way or 2-way sync selectable
sync.blue® enables users to experience seamless contact syncing with its '1-way or 2-way sync selectable' feature for CardDAV. This unique aspect of the program facilitates smooth management of contacts while keeping data consistent between devices, reinforcing user convenience.
24x7 available
sync.blue® ensures continuous availability of CardDAV for contact syncing, delivering consistent, seamless and round-the-clock access. The advanced technology embedded in sync.blue® effectively eliminates interruptions and drastically cuts downtime, providing a 24x7 accessibility and guaranteeing an uninterrupted, swift syncing experience.
All contacts in all apps and devices
sync.blue® offers seamless integration for CardDAV, allowing users to harmoniously synchronize and manage 'All contacts in all apps and devices' for a streamlined digital experience. This technology ensures every contact detail remains up-to-date and accessible across various applications and devices, improving connectivity and efficiency.
Different types of contacts can be synchronized (individuals, companies & more)
sync.blue® is incredibly versatile with its capacity to synchronize different types of contacts, ranging from individuals to entire companies, ensuring all your communication needs are efficiently centralized. This premium feature of sync.blue® proves its value in contact syncing by providing streamlined and consistent access to important data.
Focus on security & privacy
sync.blue® ensures high-level security and privacy for CardDAV contact syncing by incorporating advanced encryption technologies and stringent data protection measures. By focusing on establishing secure connections, sync.blue® prioritizes the safe transmission and storage of sensitive contact information.
No software required
sync.blue® enables seamless CardDAV contact syncing without the need for additional software, streamlining the process for improved efficiency. This technology ensures that users can effortlessly synchronize contacts across various devices, demonstrating a reliable and simplified solution.
Updates existing contacts
sync.blue® allows for effortless updating and management of existing contacts in CardDAV, ensuring efficient synchronization for seamless communications. The innovation provides a streamlined solution for keeping all contacts up-to-date and unduplicated, enhancing overall organizational workflows.
Create unlimited connections
sync.blue® offers the ability to create unlimited connections for CardDAV, allowing seamless synchronization of contacts across multiple platforms and devices. This capability ensures uninterrupted and comprehensive contact management, catered to individual or business needs.
Scheduled sync
sync.blue® enables seamless, time-efficient contact syncing through 'Scheduled sync' for CardDAV, automating the process for effortless contact management. Its advanced capabilities ensure updated, duplicated free contact information across multiple platforms, providing a streamlined solution for effective communication channels.
Try for free easily
sync.blue® offers the opportunity to easily try for free its high-quality CardDAV contact syncing, demonstrating its seamless integration for streamlined communication needs. Experienced by businesses worldwide, this feature proves its robust capabilities in syncing contacts across various platforms free of charge.
Universal protocols available (CardDAV, LDAP, CSV)
sync.blue® supports CardDAV universal protocol, enabling seamless synchronization of contacts across various devices and platforms. With its advanced functionality, sync.blue® ensures efficient management and sharing of contact information in real-time, providing consistent and updated data access to all users.
Minimizes manual IT effort
sync.blue® automates CardDAV contact synchronization, reducing routine administration through centralized control and reliable bidirectional updates across enterprise systems. This lowers operational overhead, removes manual imports and exports, and keeps address books accurate and up to date at scale.
Proven cloud platform
sync.blue® provides a proven cloud platform for CardDAV contact synchronization, enabling enterprise-grade reliability, high availability, and secure data handling across heterogeneous systems and directories. Designed for scale and compliance, it combines resilient infrastructure, encrypted transport and storage, robust monitoring, and seamless interoperability to deliver predictable performance and continuity for large organizations.
Unified company phone directories
sync.blue® centralizes and synchronizes enterprise contact data via CardDAV to maintain unified company phone directories across PBX and VoIP phones, CRMs, mobile devices, and collaboration platforms. It provides reliable, scalable updates with field mapping and access control to improve data consistency, compliance, and discoverability in large organizations.
Fast ROI
sync.blue® enables fast ROI for CardDAV contact syncing by automating cross-platform contact synchronization, reducing manual data management and administrative overhead across enterprise systems. Rapid deployment, scalable integration with existing CRMs, PBXs, and cloud directories, and fewer data errors translate into lower total cost of ownership and measurable productivity gains.
Native integration in iPhone and Android
sync.blue® enables native integration on iPhone and Android through CardDAV, delivering consistent contact syncing across corporate devices and business apps. Centralized address book management with enterprise security and bi-directional updates helps keep employee and customer contacts accurate and up to date at scale.
Scalable contact sync
sync.blue® provides scalable contact sync for CardDAV, delivering seamless, automated CardDAV contact synchronization for enterprise contact management across apps, devices, CRMs, and phone systems. Built for high-volume directories, it centralizes contact data, reduces duplicates, and supports secure, policy-aligned data management for consistent, reliable operations.
Try syncing CardDAV for free
Create your free sync.blue® account now and sync CardDAV contacts with countless other apps and devices. No credit card required.
Popular use cases when syncing CardDAV contacts
If your CardDAV contacts are in sync, there are so many use cases. Just to name the most popular of them:
Finally reach out to your contacts
sync.blue® brings a transformative approach to managing contacts by collating information that otherwise remains isolated in different application silos. By streamlining the ability to sync CardDAV contacts, sync.blue® enhances the efficiency of sales and marketing outreach programs. This, in turn, means more leads and customers can be reached, substantially increasing the potential for revenue growth for sync.blue® users. The innovative solution, therefore, offers a more unified, simplified, and effective approach to contact management and outreach programs.
Click to dial
sync.blue® seamlessly integrates 'Click to Dial' functionality for CardDAV contact syncing, simplifying the process of dialing contacts stored in a phone book. Once contact data is synchronized, calls can be initiated effortlessly with a single click using the designated app or device from the phone or telephony provider. Optimizing communication efficiency, sync.blue® marries convenience with advanced technology. It not only enhances communication experience, but also decreases the chances of dialing errors.
Easy software migration
sync.blue® simplifies software migration with its exceptional contact syncing through CardDAV. It ensures a seamless transition from one software to another while maintaining the same contact base. Its advanced technology allows for concurrent use of multiple software, delivering a streamlined user experience. Thus, sync.blue® is redefining the concept of easy and efficient software migration.
Mobile data entry
sync.blue® revolutionises mobile data entry for CardDAV, enabling seamless and immediate syncing of contact information with any groupware or CRM system. Offering compatibility with a range of devices, including Apple iPhone, Google, and Microsoft devices, the tool provides unmatched convenience and flexibility. By adopting sync.blue®, users can ensure that their contact information is synchronised across all platforms regardless of where it is initially inputted. As a result, sync.blue® streamlines the data entry process, driving efficiency while reducing the risk of discrepancies or data loss.
Remove duplicates
sync.blue® enables seamless contact syncing by detecting and updating existing contacts in a sync target. Its advanced algorithm efficiently identifies duplicates, mitigating the risk of data redundancy in CardDAV. Unlike other platforms that may inadvertently create multiple entries for the same contact, sync.blue® ensures comprehensive and precise synchronization. Thus, sync.blue® streamlines contact management and boosts data integrity.
Contacts in sync on all smart phones
sync.blue® provides a seamless contact syncing service for CardDAV, effectively keeping important company contacts and users updated across multiple smart devices including Apple and Google. The innovative technology ensures that all contacts are in synchronization, both on iPhones, iPads, MacBooks, and Google devices such as Google Contacts, Nexus, and Pixel. This offers the convenience of knowing who is calling when the phone rings, with the ability to dial any synced contacts effortlessly. With sync.blue®, simplified communication and interaction through well-managed contacts are made possible for businesses.
Get a 360 degree overview
sync.blue® allows for a 360-degree overview of CardDAV contact syncing, eliminating the need to juggle multiple contact repositories across different apps and devices. It creates a centralized hub where all contacts can be managed efficiently, providing comprehensive insight into the contact base. These holistic data perspectives could lead to better business strategies and increased revenue generation. Ultimately, with sync.blue®'s all-encompassing view, the cumbersome task of maintaining multiple contact sources is a thing of the past.
Know who is calling
sync.blue® is a powerful tool that enables seamless contact syncing for CardDAV, ensuring all company contacts are available in the phonebook. This integration facilitates the phone software to readily identify incoming calls, thereby offering the convenience of recognizing the caller by name. This feature not only personalizes the conversation but also fosters a friendly telephonic interaction. Particularly beneficial for sales and customer support teams, sync.blue® turns every call into a tailored customer experience.
★★★★★
Sync CardDAV contacts with these apps and devices
Your CardDAV contacts can easily be synced with countless other apps and devices like these.
Sync CardDAV contacts with 3CX seamlessly
sync.blue® delivers an enterprise-grade CardDAV–3CX contact sync as a cloud-based integration, requiring no software, available 24x7, and focused on security and privacy. Contacts stay consistent across apps and devices with scheduled sync that supports one-way or two-way synchronization and updates existing contacts to keep directories current. Unlimited connections can be created to synchronize different contact types, including individuals and companies, across multiple sources and the 3CX phone system. Universal protocols such as CardDAV, LDAP, and CSV are supported for broad compatibility, and the service can be tried for free for rapid enterprise evaluation.
Sync CardDAV contacts with ActiveCampaign seamlessly
sync.blue® specializes in harmonizing and managing ActiveCampaign contacts, an essential aspect in bolstering effective marketing automation and CRM. ActiveCampaign's prowess lies in the integration and automation of multiple facets of customer experience, from email marketing to sales force automation.
Sync CardDAV contacts with AGFEO seamlessly
A contact sync between CardDAV and AGFEO, offered by sync.blue®, provides various advantages. The sync process does not require any additional software, allowing for a hassle-free experience. Users can schedule sync sessions, ensuring regular updates of contacts on all connected devices and apps. The sync can be configured as a one-way or two-way process based on user preference. Additionally, the service allows for unlimited connections between different types of contacts, ensures high levels of security and privacy, and is available 24x7. Users can easily try the service for free, and it also offers support for universal protocols such as CardDAV, LDAP, and CSV. Furthermore, existing contacts can be updated seamlessly during the synchronization process.
Sync CardDAV contacts with Airwatch seamlessly
sync.blue® provides enterprise-grade contact synchronization between CardDAV and Airwatch (VMware Workspace ONE UEM) via a proven cloud platform with native iPhone and Android integration, no software required, and 24x7 availability. Scheduled and scalable sync keeps unified company phone directories current across all apps and devices, updates existing contacts, supports individuals and companies, and enables selectable 1-way or 2-way flows with unlimited connections. Security and privacy are prioritized while leveraging universal protocols such as CardDAV, LDAP, and CSV to minimize manual IT effort and accelerate time-to-value. A free trial allows easy evaluation and fast ROI for enterprise deployments.
Sync CardDAV contacts with Alcatel-Lucent Rainbow Office seamlessly
A contact sync between CardDAV and Alcatel-Lucent Rainbow Office, known as sync.blue®, offers several advantages. It does not require any additional software, allowing for easy integration. Scheduled sync ensures regular updates and consistency across all connected apps and devices. Users can choose between 1-way or 2-way sync, and create unlimited connections to synchronize different types of contacts, including individuals and companies. sync.blue® also prioritizes security and privacy, guaranteeing availability 24x7. Universal protocols such as CardDAV, LDAP, and CSV support seamless synchronization, and users can try it for free. Additionally, sync.blue® updates existing contacts, ensuring accuracy and up-to-date information.
Sync CardDAV contacts with ALL-INKL seamlessly
A contact sync between CardDAV and ALL-INKL offers several advantages. It eliminates the need for additional software, allowing for a seamless synchronization process. Scheduled sync ensures that contacts are always up to date across all apps and devices. Users can choose between 1-way or 2-way sync options and create unlimited connections for various types of contacts, such as individuals and companies. With a strong focus on security and privacy, sync.blue® is available 24x7 and supports universal protocols like CardDAV, LDAP, and CSV. It offers a free trial for easy exploration and also updates existing contacts during the synchronization process.
Sync CardDAV contacts with Android seamlessly
Android is an open-source operating system primarily used in mobile devices like smartphones and tablets. With tools like sync.blue®, one can effortlessly manage, sync, and backup Android contacts, thus ensuring the safekeeping and accessibility of crucial contact information.
Sync CardDAV contacts with ansitel seamlessly
A contact sync between CardDAV and ansitel offers several advantages. It does not require any software, allowing for easy implementation. It supports scheduled sync, ensuring that contacts are consistently updated. The sync allows for all contacts in all apps and devices to be synchronized, offering a convenient and organized system. Users can choose between 1-way or 2-way sync, and create unlimited connections. It supports synchronization of different types of contacts, such as individuals and companies. The focus on security and privacy ensures that data remains protected. With 24x7 availability, users can sync their contacts anytime. Additionally, it supports universal protocols like CardDAV, LDAP, and CSV. Users have the option to try the service for free and it also updates existing contacts seamlessly.
Sync CardDAV contacts with API seamlessly
A contact sync between CardDAV and API, namely sync.blue®, offers several advantages. Firstly, it eliminates the need for any additional software. It allows for scheduled synchronization, ensuring that all contacts are up to date across apps and devices. Users can choose between 1-way or 2-way sync options and create unlimited connections. It supports various contact types, emphasizes security and privacy, and is available 24x7. Furthermore, sync.blue® supports universal protocols such as CardDAV, LDAP, and CSV, can be tried easily for free, and enables updates to existing contacts.
About CardDAV
CardDAV is an address book client/server protocol that enables an application to access and share contact data on a server. It provides an efficient means to sync contacts, fully utilizing the vCard standard. This protocol supports creating, updating, copying, mixing and deleting of address books and individual contacts. It is employed by several contact management programs and connection to a variety of devices such as smartphones, computers and office appliances. In addition, sync.blue® is capable of synchronizing contacts with CardDAV. As a cloud platform, sync.blue® uses the internet to store, manage, and process data, providing a conduit for seamless integration across devices. Through this synchronization, contacts stored on a designated CardDAV server can be seamlessly updated, modified, and accessed on any device that sync.blue® supports. Hence, this provides an effortless way to keep contacts updated and consistent across various devices and platforms.