# Yubico Authenticator vs IDmelon Authenticator

The clearest difference is review sentiment: IDmelon Authenticator at 100% against Yubico Authenticator's 44%. IDmelon Authenticator also leads on rating (4.7 vs 3.7) and update cadence (every 2 weeks vs monthly). Yubico Authenticator's advantage is in-app purchases (none vs 2) and ratings volume (268 vs 7). On price, ads, device support and iOS requirement there is nothing between them.

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

IDmelon Authenticator holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Yubico Authenticator has 268 ratings behind it against 7, 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 100% of IDmelon Authenticator's.

Yubico Authenticator ships an update monthly, IDmelon Authenticator every 2 weeks. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Yubico Authenticator | IDmelon Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (268 ratings)](https://appshunter.io/ios/app/yubico-authenticator/id1476679808/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/idmelon-authenticator/id1511376376/reviews)** |
| Number of ratings | **268** | 7 |
| Positive reviews | 43.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 165 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yubico](https://appshunter.io/developer/586890748) | [IDmelon Technologies Inc](https://appshunter.io/developer/1165575817) |

## 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


### IDmelon Authenticator

[App page](https://appshunter.io/ios/app/idmelon-authenticator/id1511376376)

Transform your smartphone into a FIDO2 security key for passwordless logins on all your devices. Generate, store, and manage passkeys for secure and easy access to online accounts and applications. Compatible with major platforms like GitHub, Facebook, and Microsoft.

**Highlights:** Smartphone as FIDO2 security key, Passwordless logins, Passkey generation and management, Cross-device compatibility, Supports GitHub, Facebook, Microsoft, Tap & Login experience

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IDmelon Standard | $5.99 | per year |
| IDmelon Premium | $11.99 | per year |


## Frequently asked questions

### Is Yubico Authenticator free?

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

### Is IDmelon Authenticator free?

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

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

IDmelon Authenticator is rated higher. Yubico Authenticator averages 3.7 out of 5 from 268 ratings, while IDmelon Authenticator averages 4.7 from 7 ratings.

### Do Yubico Authenticator or IDmelon Authenticator have ads?

Neither Yubico Authenticator nor IDmelon Authenticator shows ads.

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

Yubico Authenticator ships an update monthly, and IDmelon Authenticator every 2 weeks. Most recently, Yubico Authenticator was updated on September 14, 2026 and IDmelon Authenticator on September 10, 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.*