# Cryptnox vs Seedkeeper Authenticator

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Cryptnox | Seedkeeper Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cryptnox-fido2-card-manager/id6499032491/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 5 MB | 5 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Cryptnox](https://appshunter.io/developer/1583011695) | [Satochip](https://appshunter.io/developer/1671023937) |

## What reviewers say

### Cryptnox

[App page](https://appshunter.io/ios/app/cryptnox-fido2-card-manager/id6499032491)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Seedkeeper Authenticator

[App page](https://appshunter.io/ios/app/seedkeeper-authenticator/id6791186520)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cryptnox free?

Cryptnox is free to download, with no in-app purchases.

### Is Seedkeeper Authenticator free?

Seedkeeper Authenticator is free to download, with no in-app purchases.

### Do Cryptnox or Seedkeeper Authenticator have ads?

Neither Cryptnox nor Seedkeeper Authenticator shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*