# Yubico Authenticator vs Ghost Markdown

The clearest difference is review sentiment: Ghost Markdown at 100% against Yubico Authenticator's 43%. Ghost Markdown also leads on rating (5.0 vs 3.7) and update cadence (every 3 days vs monthly). Yubico Authenticator's advantage is ratings volume (286 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Ghost Markdown holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Yubico Authenticator has 286 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 43% of Yubico Authenticator's written reviews are positive against 100% of Ghost Markdown's.

Yubico Authenticator ships an update monthly, Ghost Markdown every 3 days. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Yubico Authenticator | Ghost Markdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (286 ratings)](https://appshunter.io/ios/app/yubico-authenticator/id1476679808/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ghost-markdown/id6818598896/reviews)** |
| Number of ratings | **286** | 1 |
| Positive reviews | 42.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 4 MB | 57 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yubico](https://appshunter.io/developer/586890748) | [Matt Wisniewski](https://appshunter.io/developer/1879111767) |

## 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


### Ghost Markdown

[App page](https://appshunter.io/ios/app/ghost-markdown/id6818598896)

This app combines plain Markdown note-taking with an integrated AI assistant. It allows the AI to read, write, and plan within your notes, offering features like calendar integration, plugins for various tools, and customizable boards and tickets. Organize notes into notebooks, journals, or canvases, and manage them with workspaces and team features.

**Highlights:** AI assistant for reading and writing notes, Plain Markdown note-taking, Calendar integration, Plugins for tools like Contacts and Webhooks, Boards, tickets, and query-based organization, Notebooks, journals, and canvases, Workspaces and team collaboration

**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 Ghost Markdown free?

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

### Which has better reviews, Yubico Authenticator or Ghost Markdown?

Ghost Markdown is rated higher. Yubico Authenticator averages 3.7 out of 5 from 286 ratings, while Ghost Markdown averages 5.0 from 1 ratings.

### Do Yubico Authenticator or Ghost Markdown have ads?

Neither Yubico Authenticator nor Ghost Markdown shows ads.

### Which is updated more often, Yubico Authenticator or Ghost Markdown?

Yubico Authenticator ships an update monthly, and Ghost Markdown every 3 days. Most recently, Yubico Authenticator was updated on October 22, 2026 and Ghost Markdown on October 26, 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.*