Compare
Contact Book compared to every alternative we know
Honest, side-by-side reads. We name what we do well, where the alternative wins, and when you should pick which.
Where Contact Book stands
The properties we hold across every comparison below. Each card links straight to the receipts.
Hosted in Germany
Contact Book runs on infrastructure we operate ourselves under German jurisdiction.
Security details
No third-party trackers
No Google Analytics, no Hotjar, no advertising pixels. The marketing surface stays as quiet as the app.
Privacy notice
One honest price
No sales call. No enterprise tier hidden behind a contact form. The pricing card is the price.
See the plans
Yours to export, yours to delete
Both buttons live in account settings. No mail to support, no churn interview.
How retention works
AI-agent friendly
Same product, same surface for humans and assistants. We ship a CLI, an MCP server, drop-in clients in 15 languages.
Docs: CLI + MCP + clients
Two founders on support
Together with our small team, support is run by us. Replies usually arrive within one working day.
Get support
Head-to-head reads
Pick the alternative you're considering.
Contact Book vs Google Contacts: which one keeps relationships warm?
A directory vs a relationship log: where each one shines and where they don't.
Read
Contact Book vs Monica (Personal CRM): the honest comparison
Monica is mature + open-source; we're newer + sharper. Both are honest options.
Read
Contact Book vs a Notion CRM template
When the spreadsheet feel cracks, here's what a real personal CRM gives you.
Read
Contact Book vs Cloze: which one fits a solo professional?
Cloze ingests your inbox; we don't. That's the design choice.
Read
Contact Book vs Dex: keep-in-touch reminders, two takes
Both nudge you to follow up. The difference is what happens after the nudge.
Read
Contact Book vs Folk: where the line falls
Folk leans team-shape; we lean personal. Where each one fits cleanly.
Read
Contact Book vs Airtable: when the spreadsheet stops scaling
Build-it-yourself flexibility vs purpose-built speed. Where each makes sense.
Read
Contact Book vs Clay (Personal CRM): keeping it simple
Two design-first personal CRMs, two different posture choices.
Read
Contact Book vs Hippo: relationship-first vs reminder-first
Smaller scope vs broader scope on the same problem.
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Contact Book vs an Obsidian contacts vault
Plain-text vault vs structured tool. Honest about both sides.
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Contact Book vs vibe-coding your own personal CRM
Build vs buy, with the costs everyone forgets to count.
Read
Contact Book vs Apple Contacts: when the iCloud directory hits its ceiling
Phonebook vs relationship log on the Apple ecosystem.
Read
Side-by-side: every alternative we cover
Click a column header to read the full comparison.
Start using Contact Book
Free plan, no credit card. We host in Germany. You can export and delete everything self-serve.