ContactKeeper: Contacts
ContactKeeper: Contacts is made and published by Martin Rost. AppBrain is an independent app data site and isn't affiliated with Martin Rost. The app name, icon, screenshots and description belong to Martin Rost and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- September 3, 2026
- Size
- 7.29 MB
User feedback
Ratings and reviews on the App StoreComments on ContactKeeper: Contacts for iOS
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Store listing
By Martin Rost, from the App StoreDescription by Martin Rost Written by the developer, not by AppBrain. Click to read.
Take full control of your contacts with ContactKeeper. Back up, export, and restore your iPhone and iPad contacts - completely offline, no cloud, no servers. Your data never leaves your device.
EXPORT & BACKUP
Export contacts as CSV, vCard (.vcf), or JSON
Select individual contacts or all at once
Share via AirDrop, email, or save to iCloud Drive
IMPORT & RESTORE
Import contacts from CSV, vCard, or JSON files
Preview before import - you decide which contacts to keep
Detects existing contacts and merges them instead of creating duplicates
Supports multiple encodings (UTF-8, Windows-1252, ISO-Latin1)
GROUPS & ORGANIZATION
Create and manage contact groups
Organize contacts by category
Export entire groups at once
DUPLICATE DETECTION
Find duplicate contacts automatically
Smart scoring by name, phone & email
Merge duplicates with one tap
100% PRIVACY
All data stays local on your device
No cloud uploads, no servers, no databases
No tracking, no analysis of your contacts
Privacy-friendly analytics via TelemetryDeck (no personal data)
GET STARTED FOR FREE
Single contact export for free
Export up to 50 contacts as CSV
CSV import included
PREMIUM (One-time purchase - no subscription!)
Export unlimited contacts
All formats: CSV, vCard & JSON
Manage & export groups
Detect & merge duplicates
Merge contacts during import
For iPhone and iPad. Requires iOS 26 or later.
Privacy: https://contactkeeper.de/en/privacy
Support: https://contactkeeper.de/en/contact
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 7.29 MB
- Content rating
- Everyone
Technologies used by ContactKeeper: Contacts
Releases
Updates seen on the App Store- Version
- 2.3
- Launched
- February 2026
No changelog data
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Rankings
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About the app and developer
About ContactKeeper: Contacts
ContactKeeper: Contacts is an utilities app developed by Martin Rost.
User Ratings
The app has no ratings yet.
App Information
ContactKeeper: Contacts is freely available from the App Store. The app size is 7.29 MB. The latest version available is 2.3. The last update was on September 3, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since February 2026.
Developer information for Martin Rost
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