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Cardokey How It Works

Have questions? We’ve got answers.

Cardokey is an innovative NFC-based application designed to revolutionize professional networking and event management. Available in Free and Pro versions, including the advanced Pro Badge functionality, Cardokey provides users with powerful tools to create NFC vCards, manage secure badges, and interact with NFC data—entirely offline. Cardokey is privacy-first, eco-friendly, and compliant with global data protection regulations like GDPR.

Cardokey Free & Cardokey Pro

A Unified Experience

Cardokey Free and Cardokey Pro empower you to seamlessly manage and share your digital business cards, whether you’re using basic features with Cardokey Free or unlocking advanced functionalities with Cardokey Pro. Both versions prioritize security, privacy, and eco-consciousness, ensuring a unified experience for all users.

Core Features Across Both Versions

  • User-Friendly Interface: Easily create, share, and manage digital business cards.
  • Offline Functionality: Operates without internet, servers, or databases, ensuring complete data privacy.
  • Compatibility: Available on Android and iOS, with multilingual support in 14 languages.

NFC Compatibility

Cardokey leverages NFC technology to provide secure and efficient digital exchanges. Below is a detailed comparison of NFC compatibility for both Android and iOS devices:

NFC Technology Android iOS
NDEF
NfcA
IsoDep
NfcB
NfcF
NfcV (ISO 15693) ✅ 
MifareClassic
MifareUltralight
NTAG216 Type 2
Read only

Key Insights

  • Android: Comprehensive support for a wide range of NFC technologies, including advanced features like MifareClassic and MifareUltralight.
  • iOS: Limited to core technologies like NDEF, NfcA, IsoDep, and NfcV, with confirmed support for ISO 15693 (LRi2k chips chips by STMicroelectronics) such as NTAG216 Type 2, are read-only.

Global NFC Compatibility

  • Cardokey’s Android Compatibility: ~92.5% of all NFC chips globally.
  • Cardokey’s iOS Compatibility: ~45% of all NFC chips globally.

This compatibility ensures that Cardokey Free and Cardokey Pro users can utilize NFC features across most devices effectively, making it one of the most versatile tools for NFC-powered applications.

Cardokey Free

Your Gateway to NFC vCards

Cardokey Free enables users to create and share digital business cards with ease. Whether you’re an individual looking to digitize your contact information or a professional seeking a simple networking solution, Cardokey Free offers a secure and sustainable way to connect.

Features

Create and Share NFC vCards

  • Manual Entry: Customize fields for names, emails, phone numbers, and social media profiles.
  • Pre-configured Links: Add URLs or social network profiles for direct sharing.
  • Memory Optimization: Real-time feedback on NFC media capacity ensures efficient use.
  • Eco-Friendly: Format and reuse NFC tags to reduce waste.

Sharing Options

  • Generate and share vCards via QR Codes, CSV, SVG, or VCF files.
  • Recipients can view vCards instantly on NFC-enabled devices without additional apps.

Offline Functionality

  • Operates fully offline, ensuring your data remains private and secure.
  • No servers, databases, or account creation required.

Cardokey Pro

Advanced Networking and Event Management

Cardokey Pro builds upon the Free version with additional features for professionals and event organizers. It simplifies secure badge management and offers enhanced functionality for digital networking.

Features

Advanced NFC vCard Creation

  • OCR Integration: Convert handwritten or printed business cards into digital vCards.
  • Gallery Integration: Import photos to personalize your vCards.
  • Cross-Platform: Works seamlessly on Android and iOS devices.

Event Mode

  • Create Events: Define event details such as name and contact information for organizers.
  • GDPR Compliance: Ensure attendee data is handled securely and offline.
  • Email Templates: Customize email content for event communications.

Sustainability

  • Reuse NFC Media: Transform NFC tags, tickets, and cards into reusable business tools.
  • Eco-Friendly Practices: Complies with UN SDG 12, ISO 14001, and WEEE standards.

Cardokey Pro Badge

Cardokey Pro Badge introduces an advanced and secure system for creating, managing, and validating digital event badges. Designed specifically for event organizers, it streamlines attendee management while prioritizing security and privacy through offline operation.

Features of Cardokey Pro Badge

Badge Creation

  • Encrypted QR Codes: Generate badges with AES-256 encryption, ensuring secure attendee data.
  • NFC Storage: Transfer badges directly to NFC media for fast and contactless access.
  • Customizable Fields: Include essential attendee details like name, role, company, and more.

Badge Validation

  • QR Code Scanning: Validate badges quickly by scanning encrypted QR codes with your smartphone camera.
  • NFC Integration: Authenticate badges instantly by tapping them with an NFC-enabled device.
  • Seamless Access Control: Assign and manage entry or exit permissions for each attendee.

Event-Specific Keys

  • Unique Key Generation: Create distinct encryption keys for every event, ensuring that badge data remains isolated and secure.
  • Enhanced Security: Use ECC cryptography to authenticate badges and confirm their validity.

Data Management

  • Versatile File Formats: Export badge data in CSV, JSON, or VCF formats for easy integration with CRM tools.
  • Offline Operation: All data is processed locally, safeguarding privacy and eliminating the need for servers or databases.

Why Choose Cardokey Pro Badge?

  • Secure by Design: Operates entirely offline with advanced encryption technologies like AES-256 and ECC for data protection.
  • Customizable and Scalable: Tailored for events of all sizes, from small gatherings to large-scale conferences.
  • Eco-Friendly Solution: Reuse existing NFC devices and eliminate paper waste by opting for digital badges.

Note: For optimal performance, use NFC tags that are fully compatible with your device’s NFC capabilities. Android devices generally support more NFC technologies than iPhones.

have questions Cardokey product?

we’ve got answers

Frequently asked questions

FAQ

 


  •  

Cardokey Free

Cardokey Free allows you to create, manage, and share NFC vCards. You can generate QR codes and format NFC tags for a secure and eco-friendly experience.

Yes, Cardokey Free operates entirely offline. No internet, servers, or databases are required, ensuring maximum privacy.

Absolutely! Cardokey Free lets you format and reuse NFC tags, helping reduce electronic waste.

Yes, it is compatible with most Android and iOS smartphones equipped with NFC.

Cardokey Pro

Cardokey Pro offers advanced tools such as OCR for scanning business cards, automatic directory management for vCards, and extended options for creating NFC profiles.

Yes, it supports all types of vCards, including NFC vCards, QR codes, CSV, and SVG files.

Yes, Cardokey Pro includes tools for creating and managing event-specific vCards and settings for organizers, visitors, and exhibitors.

Yes, it supports 14 languages, making it ideal for international use.

Cardokey Pro Events

Event Mode allows centralized management of events. Organizers can create unique encryption keys to secure data, while visitors and exhibitors can scan business cards using OCR or QR codes.

Scanned cards are automatically sorted into directories named after the event, simplifying management and CRM export.

Yes, Cardokey Pro Events supports generating QR codes and exporting files like CSV or SVG for easy sharing.

Absolutely. All data is encrypted with AES-256 and processed offline, ensuring privacy and security.

Cardokey Pro Badge

The Badge feature allows creating, managing, and verifying secure digital badges for events. These badges contain encrypted QR codes and can be stored on NFC media.

You can scan the encrypted QR code or use an NFC device for real-time verification.

Yes, Cardokey Pro Badge supports bulk badge creation, each secured with unique encryption keys.

Yes, digital badges are eco-friendly and secure. However, printable PDF badges can also be generated if needed.

Yes, like all other Cardokey features, Pro Badge operates entirely offline, ensuring complete privacy.

Yes, iPhones may have limited compatibility with certain NFC technologies like Iso15693 and Felica. For best results, use tags that comply with the NDEF standard.

General Questions

Yes, you can easily switch to Cardokey Pro to access advanced features.

Cardokey lets you modify your existing vCards without limitations, even on reused NFC tags.

Cardokey operates offline, without servers or databases, and secures data using AES-256 encryption and ECC signatures.

Cardokey Free and Pro are compatible with NFC tags that support the NDEF standard, including tags like NTAG213, NTAG215, and NTAG216. Specific compatibility may vary based on your device.

Yes, Cardokey works with iPhones. However, NFC compatibility on iOS is limited to certain technologies like NDEF, NfcA, NfcB, and NfcF. Advanced functionalities, such as writing to MifareClassic tags, may not be supported.

MifareClassic is fully supported on Android but is not compatible with iOS devices.

CARDOKEY TECHNICAL GUIDES

Last Revision Date: 20 December 2022

This FAQ provides insights into the technical aspects of Cardokey Free, Cardokey Pro, Cardokey Pro Events, and Cardokey Pro Badge. These guides ensure that you maximize the potential of Cardokey while maintaining security, privacy, and efficiency.

How It Works


 

General Technical Questions

  • Smartphone Compatibility: NFC-enabled Android or iOS devices.
  • Operating Systems: Android 8.0 or later; iOS 14 or later.
  • NFC Chips: Cardokey supports NFC chips formatted to NDEF standards, including NTAG, MIFARE, and ICODE.

 

Download Cardokey User Manuals PDF

Access detailed user manuals for both Cardokey Free and Cardokey Pro to guide you through every feature and functionality:

Download PDF


 

User Manual Complete Cardokey Free


User Manual Cardokey Pro without Event Mode


User Manual Cardokey Pro Event Mode

  •  

User Manual Cardokey Pro Badge

  • Download PDF – English (ND)
  • Download PDF – French (ND)

 

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