SperrApp

SperrApp by SERVO DATA GmbH is a powerful Chrome extension allowing users to instantly block debit cards, credit cards, and electronic access via their smartphone. Integrated with the lock-emergency service 116 116, SperrApp facilitates direct data transfer to block girocards automatically or initiates calls for other card types to prevent unauthorized access.

Key features include a secure Data Safe to encrypt and store all lockable media details, automatic lock initiation using stored bank codes or IBANs, and a detailed protocol log to review all blocking actions. SperrApp combines ease of use with high security, providing peace of mind and fast response during card emergencies.