# Yubico Authenticator vs Rheme

The clearest difference is in-app purchases: Yubico Authenticator at none against Rheme's 2. Yubico Authenticator also leads on iOS requirement (16.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Rheme sells 2 in-app purchases, starting at $5.99 per month. Yubico Authenticator asks for nothing beyond the download.

Yubico Authenticator ships an update monthly, Rheme every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Yubico Authenticator | Rheme |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (287 ratings)](https://appshunter.io/ios/app/yubico-authenticator/id1476679808/reviews)** | — |
| Number of ratings | **287** | — |
| Positive reviews | 42.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 4 MB | 18 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yubico](https://appshunter.io/developer/586890748) | [Viacheslav Shkliarov](https://appshunter.io/developer/1620189024) |

## 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


### Rheme

[App page](https://appshunter.io/ios/app/rheme-private-voice-notes/id6777717725)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rheme Pro Monthly | $5.99 | per month |
| Rheme Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Yubico Authenticator free?

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

### Is Rheme free?

Rheme is free to download, with in-app purchases available.

### Do Yubico Authenticator or Rheme have ads?

Neither Yubico Authenticator nor Rheme shows ads.

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

Yubico Authenticator ships an update monthly, and Rheme every 2 months. Most recently, Yubico Authenticator was updated on November 3, 2026 and Rheme on November 5, 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.*