With aboalarm (www.aboalarm.de) consumers can manage, withdraw and cancel their contracts with businesses ranging from mobile providers and fitness studios to motor vehicle insurance companies in a way that is fast, easy and legally watertight. The internet portal reminds users of notice periods and provides them with verifications and template files for contract terminations. aboalarm’s database includes letters of cancellations and contracts, all of which are checked by an attorney, for more than 16,500 providers in Germany. Since 2011, aboalarm has sent cancellations from its aboalarm apps for Android, iPhone and iPad, Windows Phone and Amazon Kindle. The apps have already been downloaded more than one million times. New to the aboalarm family are Wechselkompass, an especially consumer friendly guideline for contract changes, and kontoalarm, an app for iPhone and Apple Watch that enables users to keep an eye on their bank account. Since its foundation in 2008, Dr. Bernd Storm van’s Gravesande and Stefan Neubig have already sent more than 2.4 million cancellations successfully with aboalarm. More than 7.7 million complete cancellation letters were created and downloaded. aboalarm was declared the best cancellation service in 2015 by Finanztip and its TÜV certified iOS app had been rated as secure with regards to data security.