Hippo on Xataka

Xataka published a piece (in Spanish) on keeping track of relationships with a Personal CRM. Some quotes that I Google translated:

For example, there is Hippo (at the moment only on iOS), which allows you to add events, reminders and notes to each contact that you consider important.
It is quite well thought out and has a very clean and modern interface. In addition, it does not require the creation of a specific account for the app, nor does it require access to your entire contact list and stores the data on our device, not on an external server.
Uso un CRM personal para gestionar mis relaciones sociales y no me arrepiento de nada
La cuantificación y el almacenado y procesado de datos en formato digital están más que asentados. ¿Por qué no llevar la gestión de nuestras relaciones...