Sync contacts between Apple iPhone and countless other apps

iPhone is a Smartphone model line that has been in life since 2007 with the release of the product namesake iPhone. The phone series, which is manufactured by Apple, offers car style dashboard capabilities as well as GPS navigation service and was inspired by Steve Jobs' visit to Xerox PARC in 1979. Since it's conception, there have been 12 different models released throughout the years including significant updates each year. iPhones also offer voice recognition and touch screen features such as an application store for downloading email programs and games alike.
App is available.

Sync contacts between Apple iPhone and other apps like:

AGFEO
AGFEOtel
Android
Apple iCloud
Apple iOS
Apple iPhone
Apple macOS
Apple OSX
Asterisk
AVM FRITZ!Box
CardDAV
corpoTel
CSV
DATEV
Deutsche Telefon Tk-Anlage CentrexX
Directory for Google Workspace, Cloud Identity and Essentials
DocBee
Gigaset
Google Contacts
Google GMail
Google Nexus
Google Pixel
GSuite
HubSpot
INOPLA
Kerio Connect
LDAP
Microsoft 365
Microsoft 365 Shared Mailbox
Microsoft Active Directory
Microsoft Dynamics 365
Microsoft Exchange
Microsoft Exchange Global Address List (GAL)
Microsoft Exchange Web Services (EWS)
Microsoft Graph API
Microsoft Office 365
Microsoft Outlook
Microsoft SQL Server
Microsoft Teams
Mozilla Thunderbird
MyCRM
MySQL
NFON
o2 digital phone
Pascom
PhoneSuite
Pipedrive
Placetel
salesforce
Sipgate
snom
STARFACE
SugarCRM
UCware
Unify
weclapp
XELION
Yealink
Zendesk
Zoho