Your contacts deserve the best protection
ContactKeeper backs up, exports and restores your iPhone and iPad contacts - completely offline, no cloud, no servers. Your data never leaves your device.
Zero-Cloud Architecture
Your contact data never leaves your device. It is processed and stored exclusively on your device – no cloud, no account.
Everything you need
Powerful tools for your contacts - secure and private.
CSV / vCard / JSON Export
Export your contacts in the format of your choice. Perfect for backups or migrating to a new device.
Multi-Format Import
Import contacts from CSV, vCard or JSON files back to your device. With preview before importing.
Group Management
Create and manage contact groups. Organize your contacts clearly by categories.
Duplicate Detection
Find duplicate contacts free – merge with Premium. Keep your address book clean.
Contact Preview
Preview imported contacts before saving. Decide which contacts to keep.
Multilingual
Available in German and English. The app adapts automatically to your device language.
How it works
Three simple steps to your contact backup.
Select contacts
Choose individual contacts or select all at once. You have full control.
Choose format
Decide between CSV, vCard (.vcf) or JSON - depending on your needs and use case.
Export & save
Export your contacts and share the file via AirDrop, email or save it to iCloud Drive.
Your data belongs to you
Privacy is not a feature - it's our promise. ContactKeeper was built from the ground up with a privacy-first architecture.
Stored locally
Your contact data stays on your device. No cloud uploads, no servers, no databases.
GDPR compliant
Privacy-friendly analytics with TelemetryDeck. No personal data, no IP addresses collected.
No account needed
No registration, no cloud account, no email address required. Just install and get started.
Our Privacy Principles
No data collection
We don't see, store or process your contacts. The app works completely offline.
No fingerprinting
No device fingerprinting, no advertising IDs, no user tracking. You're invisible to us.
End-to-end local
From import to export - every step happens exclusively on your device.
No hidden servers
ContactKeeper has no backend infrastructure of its own. Your contact data is never sent to any server.
Simple pricing
No subscription. Buy once, use forever.
Free
Perfect to get started
- Single contact export
- Up to 50 contacts as CSV
- CSV import
- Find duplicate contacts
- Basic contact management
Premium Lifetime
All features, forever
- Unlimited contact export
- CSV, vCard & JSON export
- All import formats
- Group management
- Merge duplicate contacts
- All future updates
Prices shown in EUR. Actual price may vary by country and currency.