# Cryptnox: FIDO2 Card Manager — Manage & Secure FIDO2 Cards > NFC-based manager for FIDO2 security keys and FIDO U2F cards. (iPhone/iPad app by Cryptnox.) - Source: https://appshunter.io/ios/app/cryptnox-fido2-card-manager/id6499032491 (this page in markdown: same URL + `.md`) - Developer: [Cryptnox](https://appshunter.io/developer/1583011695) - Category: Utilities, Developer Tools - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 5 MB - Languages: English - Released: 2024-04-25 - Data updated: 2026-06-05 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/cryptnox-fido2-card-manager/id6499032491/reviews.md ## What is Cryptnox? Cryptnox FIDO2 Card Manager is a comprehensive and user-friendly application designed to simplify and secure your FIDO2 security keys by using the power of NFC (Near Field Communication) for seamless communication. Whether you’re a security enthusiast, user, or developer, this app provides a simple solution for managing the configurations and functionality of your FIDO U2F security keys. With this app, you can smoothly perform various important tasks right on your smartphone. It supports the FIDO2 v2.1 and ensures a safe and updated experience. The supported commands include: Get Info: Provide detailed information about your FIDO2 card, including all key specifications, firmware versions, and other important details. Set PIN: Set up a new PIN for the FIDO2 card that will enable improved security by restricting unauthorized access to your device. Set PIN Lengh: Sets a minimum to the pin length. Change PIN: You can update or change your existing PIN when necessary, providing flexibility and enhanced protection for your card. Verify PIN: Validate the correctness of the PIN so it functions normally with no problems logging in. Always UV: enforce User Verification even when the server does not require it. Reset: This command is helpful in emergencies or if you forget the PIN. It allows you to reset the device and start with a new configuration. Credential Management: allows to list resident key credentials, and delete them. You can also keeps track of multiple cards by saving them according to their unique chip serial number, and link specific data such as user name or any relevant information. In addition to managing the FIDO2 Card, the app lets you read data from most NFC-enabled FIDO2 security keys, which increases its compatibility with other devices and makes it useful in a much wider range of applications. This application has an intuitive interface, so one can easily surf through different settings and commands. The responsive design of the application ensures smooth interaction and efficient performance, enabling users to manage FIDO2 security keys and PINs with ease, anywhere and anytime. Use the Cryptnox FIDO2 card manager for individual usage, manage the cards for your companies, or ensure that your security keys are up to date. This app has got everything covered, with a strong emphasis on security and ease of use. With Cryptnox FIDO2 Card Manager, ensure well-managed FIDO2 cards and flawless digital security. ## Key features - Manage FIDO2 security keys via NFC - Set, change, and verify PINs - Manage resident keys - Track multiple security cards - Read data from NFC-enabled keys - Intuitive and responsive interface ## Frequently asked questions about Cryptnox ### What can Cryptnox do with my FIDO2 card? Cryptnox allows you to manage your FIDO2 security keys by performing actions such as getting card information, setting and changing PINs, verifying PINs, enforcing User Verification, resetting the device, and managing resident credentials. ### Does Cryptnox support FIDO2 v2.1? Yes, Cryptnox supports the FIDO2 v2.1 standard, ensuring a safe and updated experience for managing your security keys. ### Can I track multiple FIDO2 cards with Cryptnox? Yes, you can keep track of multiple cards by saving them based on their unique chip serial number and linking relevant data like user names. ### Is Cryptnox available on Android devices? Based on the provided data, Cryptnox is currently supported on iPhone devices. Information regarding Android compatibility is not available. ### How often is Cryptnox updated? The latest version of Cryptnox is 2.0.6, and it was last updated on May 9, 2025. This indicates a recent update and ongoing development. ### What is the age rating for Cryptnox? Cryptnox has an age rating of 4+, making it suitable for a wide range of users. This rating suggests it contains no mature content. ### Does Cryptnox have ads? No, the application does not contain advertisements. It is a completely free application without any ad interruptions. ### What is the user sentiment for Cryptnox? Cryptnox has received an excellent rating of 5.0 stars from 1 rating, indicating very positive user sentiment based on available data. ## Version history (last 5 releases) ### 2.0.6 — 2025-05-09 • maintenance update ### 2.0.5 — 2025-04-16 • Maintenance update ### 2.0.4 — 2025-04-13 - Improve UX ### 2.0.3 — 2025-04-05 Maintenance update ### 2.0.2 — 2025-03-18 • Added reset command ## Apps similar to Cryptnox | App | Rating | Price | Category | | --- | --- | --- | --- | | [Vaultek ViSN](https://appshunter.io/ios/app/vaultek-visn/id6670317613) | 2.7 (15) | Free | Utilities | | [Authenticator ·](https://appshunter.io/ios/app/authenticator/id1602061522) | 4.6 (26,028) | Free | Utilities | | [Sophos Intercept X for Mobile](https://appshunter.io/ios/app/sophos-intercept-x-for-mobile/id1086924662) | 4.0 (249) | Free | Utilities | | [KeyCard BBM](https://appshunter.io/ios/app/keycard-bbm/id6471354515) | 4.7 (1,378) | $1.99 | Utilities | | [Hacker Protection,VPN Security](https://appshunter.io/ios/app/hacker-protectionvpn-security/id1581268432) | 4.5 (11,174) | Free | Utilities | | [SecretShield](https://appshunter.io/ios/app/secretshield/id6670149348) | — | Free | Utilities | ## More apps by Cryptnox - [Cryptnox: Your Web3 Wallet](https://appshunter.io/ios/app/cryptnox-your-web3-wallet/id1583011693) All apps by Cryptnox: https://appshunter.io/developer/1583011695 ## Related topics [fidu](https://appshunter.io/ios/topics/fidu) · [mobile solution for fido2 authentication](https://appshunter.io/ios/topics/mobile-solution-for-fido2-authentication) · [ficm](https://appshunter.io/ios/topics/ficm) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*