Since this app handles your contact list, ensure you are using a verified version to protect your privacy.
If you are having trouble finding a specific version of the Card2Phone IPA for a legacy device, let me know: What are you running? download-card2phone-telefonbuch-ipa
An .ipa file is the executable folder that contains the app data for iOS. You might look for the Card2Phone IPA for several reasons: Since this app handles your contact list, ensure