# Yubico Authenticator vs Nukii

The clearest difference is review sentiment: Yubico Authenticator at 44% against Nukii's 0%. Yubico Authenticator also leads on ratings volume (268 vs 5) and rating (3.7 vs 3.4). Nukii's advantage is iOS requirement (14.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Yubico Authenticator holds the better App Store score, 3.7 against 3.4. That said, the two scores are not equally well evidenced: Yubico Authenticator has 268 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 44% of Yubico Authenticator's written reviews are positive against 0% of Nukii's.

Yubico Authenticator ships an update monthly, Nukii every 2 months. The most recent releases landed on September 14, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Yubico Authenticator | Nukii |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (268 ratings)](https://appshunter.io/ios/app/yubico-authenticator/id1476679808/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/nukii/id1574452990/reviews) |
| Number of ratings | **268** | 5 |
| Positive reviews | **43.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 4 MB | 50 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yubico](https://appshunter.io/developer/586890748) | [Maktar Inc.](https://appshunter.io/developer/896539411) |

## What reviewers say

### Yubico Authenticator

[App page](https://appshunter.io/ios/app/yubico-authenticator/id1476679808)

Secure your online accounts with hardware-backed two-factor authentication. Store unique credentials on a physical security key, eliminating the need to store sensitive data on your mobile device. Generate verification codes without an internet connection for enhanced account protection.

**Highlights:** Hardware-backed security key storage, Touch or NFC authentication, USB-C support, Biometric unlock (FaceID/TouchID), QR code setup, User presence verification, Smart Card support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well with Yubikey
- 🔒 Secure storage of OATH secrets
- 👍 Simple and easy to use
- 🚀 NFC support added

**What reviewers complain about**

- 🐛 NFC not working on some devices
- 🐛 Clunky UI for password-protected keys
- 🐛 Crashes and freezes reported
- 🐛 Incompatible with some devices (iPad, older iPhones)

**Reported bugs**

- NFC not working reliably
- Accounts disappearing after updates
- Calculation of codes not working
- Keyboard issues when using keys

**Requested features**

- Allow editing and rearranging of entries
- Add support for multiple keys per account
- Improve iPad/tablet support
- Add dark mode option
- Improve QR code scanning


### Nukii

[App page](https://appshunter.io/ios/app/nukii/id1574452990)

This app manages an intelligent flash drive with patented NFC unlocking technology. It ensures automatic locking and secure sharing of confidential documents, offering remote data clearing for lost devices.

**Highlights:** Patented NFC unlocking, Automatic locking, Secure document sharing, Remote data clearing, Read-only mode, Manage shared accounts

**In-app purchases:** none


## Frequently asked questions

### Is Yubico Authenticator free?

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

### Is Nukii free?

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

### Which has better reviews, Yubico Authenticator or Nukii?

Yubico Authenticator is rated higher. Yubico Authenticator averages 3.7 out of 5 from 268 ratings, while Nukii averages 3.4 from 5 ratings.

### Do Yubico Authenticator or Nukii have ads?

Neither Yubico Authenticator nor Nukii shows ads.

### Which is updated more often, Yubico Authenticator or Nukii?

Yubico Authenticator ships an update monthly, and Nukii every 2 months. Most recently, Yubico Authenticator was updated on September 14, 2026 and Nukii on September 11, 2026.

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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.*