# Yubico Authenticator vs PlugOS

The clearest difference is ratings volume: Yubico Authenticator at 268 against PlugOS's 3. On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.7 for Yubico Authenticator against 3.7 for PlugOS. That said, the two scores are not equally well evidenced: Yubico Authenticator has 268 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 44% of Yubico Authenticator's written reviews are positive against 50% of PlugOS's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Yubico Authenticator | PlugOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (268 ratings)](https://appshunter.io/ios/app/yubico-authenticator/id1476679808/reviews) | [3.7 (3 ratings)](https://appshunter.io/ios/app/plugos/id6743153296/reviews) |
| Number of ratings | **268** | 3 |
| Positive reviews | 43.6% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 4 MB | 41 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yubico](https://appshunter.io/developer/586890748) | [Shanghai Pingbo Info Tech Co., Ltd.](https://appshunter.io/developer/1484047041) |

## 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


### PlugOS

[App page](https://appshunter.io/ios/app/plugos/id6743153296)

This app securely connects to dedicated hardware for managing sensitive data locally. It ensures privacy by processing and storing all information on the device, without internet access or cloud reliance. Enjoy a secure and private digital experience for various applications.

**Highlights:** Local data processing and storage, Hardware-level security isolation, No internet connection required, Device authentication and status checking, Firmware updates, Resistant to complex attacks

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Yubico Authenticator free?

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

### Is PlugOS free?

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

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

Yubico Authenticator and PlugOS are both rated 3.7 out of 5 on the App Store, from 268 and 3 ratings respectively.

### Do Yubico Authenticator or PlugOS have ads?

Neither Yubico Authenticator nor PlugOS shows ads.

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

Yubico Authenticator ships an update monthly, and PlugOS monthly. Most recently, Yubico Authenticator was updated on October 7, 2026 and PlugOS on October 2, 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.*