很好用！
很好用，超級推薦的，名片和郵箱一體，很方便
Archived App (Last seen on 23 May 2025)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
Details
About
Streamline your professional life with an intelligent address book that manages contacts, business cards, and emails. It offers advanced features like AI-powered business card scanning and efficient email handling to boost productivity.
✓AI business card recognition
✓Contact and email management
✓Intelligent dialing
✓Customizable email signatures
✓Bulk email distribution
✓Secure private key access
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What's New in Knock Knock
2.0.0
July 28, 2023
优化了产品体验
User reviews
FAQ
What is Knock Knock?
Knock Knock is an intelligent address book designed to help business professionals manage contacts, business cards, and emails efficiently. It offers features like AI-powered business card scanning and streamlined email handling.
Does Knock Knock have ads?
No, Knock Knock is ad-free, allowing for an uninterrupted user experience.
What devices does Knock Knock support?
Knock Knock is available for iPhone and iPod devices.
How often is Knock Knock updated?
The app was last updated on July 28, 2023, indicating regular maintenance and potential feature additions.
What are the key features of Knock Knock?
Key features include AI business card recognition, comprehensive contact and email management, intelligent dialing, customizable email signatures, and secure private key access for data protection.
Is Knock Knock suitable for personal use?
While designed for business professionals, Knock Knock's robust contact and email management features can also benefit individuals seeking better organization.
How does Knock Knock ensure data security?
Knock Knock utilizes self-sustaining keys and personal private key authorization, ensuring that email content is not stolen and contact information is not read by third parties.
What is the user rating for Knock Knock?
Knock Knock has a perfect rating of 5.0 stars based on one user review.
