
KnowCal
business card scanner calendar
About
Effortlessly digitize business cards into contacts using advanced OCR technology. Supports multiple languages and provides precise address extraction, all processed securely on your device.
What's New in KnowCal
1.1
October 10, 2026
fix bugs, add iCloud support.
Developer apps
FAQ
What is KnowCal?
KnowCal is a business card scanner app that uses OCR technology to convert physical business cards into digital contacts. It offers intelligent scanning, precise address extraction, and bilingual support for Chinese and English cards.
How does KnowCal handle contact storage?
KnowCal allows you to save parsed card data as a VCard with a single tap. You can directly add it to your device's Contacts or update existing entries.
Is KnowCal secure and private?
Yes, KnowCal is privacy-first. All processing happens on-device, meaning your card images and data never leave your phone, ensuring maximum security.
Does KnowCal support multiple languages?
Yes, KnowCal offers true bilingual support, with the interface and recognition results fluidly switching between Chinese and English to accommodate various business cards.
What devices does KnowCal support?
KnowCal is currently supported on iPhone devices.
How often is KnowCal updated?
KnowCal was last updated on October 10, 2026, with version 1.1. This indicates a recent update, suggesting ongoing development and support.
Does KnowCal have ads?
Yes, KnowCal contains advertisements. As a free app, it utilizes ads to support its development and services.
What is the age rating for KnowCal?
KnowCal has an age rating of 17+, which is typical for business and productivity applications that may involve data management.




