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Contact Book: die deutsche Alternative zu Monica

Hosting in Deutschland, deutscher Vertragspartner, deutscher Support.

Deutsche Alternative
Personal CRM
Open source
Julia Yukovich
Julia YukovichCo-Founder + CEO
·June 28, 2026·
4 min read
·Updated

Contact Book ist die deutsche Alternative zu Monica: Hosting in Deutschland, deutscher Vertragspartner, deutsches Recht. Drei Dinge, die aus gutem Grund zusammenreisen - jedes für sich allein wäre nur ein halbes Versprechen.

At a glance

Monica is the elder statesman of the personal-CRM space - mature, open-source, actively maintained, and self-hostable. It is a genuinely good product and we recommend it without reservation to anyone who wants to run their own server. Contact Book is the answer to a narrower question: what if I want Monica's idea without running Monica's server? We're younger and lighter, with a sharper UI, live multi-tab updates, hosting in Germany, and a deliberately small surface. Self-host and tinker - pick Monica. Want a clean, fast, bilingual personal CRM you don't maintain, on a hosted plan from €1 a month - that's us. The short version: Monica without the server.

Deutsche Alternative

Drei Säulen, die zusammenreisen

Hosting in Deutschland allein bedeutet wenig, wenn der Vertragspartner eine Delaware LLC ist - der CLOUD Act hängt am Sitz, nicht am Server. Deutscher Vertragspartner allein bedeutet wenig, wenn die Server in Virginia stehen - das Zugriffs-Risiko liegt dort. Deutsches Recht allein bedeutet wenig, wenn beide oben fehlen - der Gerichtsstand löst das Datenproblem nicht. Contact Book bringt alle drei zusammen: dedizierte Server in Deutschland, Einzelunternehmer Finn Glas mit Sitz in 72461 Tailfingen, deutsches Recht im Vertrag. Die Lücke zu Monica ist meistens, dass eine dieser Säulen fehlt.

Contact Book vs Monica: Deutscher Vergleich

When to pick which

Pick Contact Book when

You want a hosted product that's clean, fast, and bilingual out of the box.
Live multi-tab updates matter - you keep two tabs open and want the second to react to the first.
You'd like an MCP server + drop-in clients in 15 languages so AI agents can use the same product you do.
EU jurisdiction, but specifically Germany under German law, with the hosting location stated plainly.
You'd rather never touch Docker, backups, certificate renewals, or version upgrades - hosting is our job, not yours.

Pick Monica when

You want to self-host on your own box and skim the source.
Open-source on principle - you only adopt tools you can fork.
You want Monica-specific features we don't carry - debt / loan tracking, or its denser, journal-first writing surface.
Monica's free cloud tier (10 contacts) is enough, or you'll happily run the unlimited self-hosted build for free.

Häufige Fragen

Was deutsche Teams vor dem Wechsel typischerweise klären wollen.

Mit Contact Book starten

Free plan, no credit card. We host in Germany. Export + delete are self-serve.

Julia Yukovich

Written by

Julia Yukovich

Co-Founder + CEO

Julia is one of the Co-Founders. She handles design, development, product direction, and most of the support replies that arrive in the morning.

julia.yukovich at aicuflow dot comLinkedIn