Knocknock CU
Social Networking
Free · Designed for iPad. Not verified for macOS.
Borrow. Lend. Earn.
Knocknock is a hyper-local app that digitizes the "neighborly knock," allowing Columbia University students to lend and borrow everything from spikeball nets, to professional cameras, to formal dresses within verified dorm networks secured through a trusted, Duo-verified platform.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Improved profile trust and credibility: star ratings plus written reviews
- Reviews are now visible on profile pages and include reviewer identity
- Tap any review to open the reviewer’s profile
- Rating prompts now show the actual person’s name and the item being rated
- Fixed rating popup keyboard overlap so text fields stay visible while typing
- Refined profile UI: larger reviews link and cleaner recent listings section
- General reliability and UX improvements across listings, offers, and
notifications
The developer, Kington Chan, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- User Content
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Kington Chan
- Size
- 37.4 MB
- Category
- Social Networking
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
User-Generated Content
- Copyright
- © 2026 Manas Chan
