Cryptnox vs Seedkeeper Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cryptnox
Manage and secure FIDO2 security keys using NFC on your smartphone. Perform essential tasks like setting and changing PINs, verifying credentials, and managing resident keys. Track multiple cards and ensure seamless digital security.
- 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
Read full descriptionHide full description
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.
Seedkeeper Authenticator
Read full descriptionHide full description
Your two-factor codes should not live inside your phone. Seedkeeper PRO Authenticator turns your Seedkeeper PRO NFC card or ring into a hardware second factor. TOTP secrets and FIDO2 passkeys are generated and stored inside an EAL6+ certified secure element. They never leave the chip: no cloud backup, no copy on the device, no account to create. FEATURES • Hardware-generated 2FA codes (TOTP/HOTP), displayed with a single NFC tap • FIDO2 passkey management: list, review and delete registered credentials • FIDO PIN setup and change from the app • Add accounts by QR code scan or manual entry • Instant search across your accounts • Device information: firmware version, FIDO2 capabilities, device status • NFC settings and advanced options • Works with both Seedkeeper PRO card and ring NO CLOUD, NO ACCOUNT, NO SUBSCRIPTION No sign-up. No sync. No telemetry. The app works offline and collects no data. OPEN SOURCE App and firmware are published under a free software licence, so anyone can audit what runs inside your card. DESIGNED AND MADE IN EUROPE Built in Belgium by Satochip S.R.L. on a bank-grade secure element. REQUIREMENTS Requires a Seedkeeper PRO device (NFC card or ring) and an NFC-capable device.
Screenshots
Verdict
Cryptnox and Seedkeeper Authenticator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Cryptnox | Seedkeeper Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Cryptnox | Satochip |
In-app purchases
Cryptnox
No in-app purchases
Seedkeeper Authenticator
No in-app purchases
Questions
Is Cryptnox free?
Is Seedkeeper Authenticator free?
Do Cryptnox or Seedkeeper Authenticator have ads?
Other comparisons















