# Passkeys App vs Duo Authenticator

The clearest difference is review sentiment: Passkeys App at 87% against Duo Authenticator's 50%. Passkeys App also leads on rating (4.7 vs 4.2) and ads (none vs shown). On price, in-app purchases, monetization model and iOS requirement there is nothing between them.

Both are free to download. Passkeys App sells 3 in-app purchases, starting at $2.99 per 7 days and Duo Authenticator sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Passkeys App holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Passkeys App has 973 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 87% of Passkeys App's written reviews are positive against 50% of Duo Authenticator's.

Passkeys App ships an update fortnightly, Duo Authenticator monthly. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Passkeys App | Duo Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (973 ratings)](https://appshunter.io/ios/app/passkeys-app/id1659205365/reviews)** | [4.2 (24 ratings)](https://appshunter.io/ios/app/duo-authenticator/id1665454984/reviews) |
| Number of ratings | **973** | 24 |
| Positive reviews | **87.4% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 82 MB | 60 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [2Stable](https://appshunter.io/developer/1534145511) | [Petr Polasek](https://appshunter.io/developer/1613323784) |

## What reviewers say

### Passkeys App

[App page](https://appshunter.io/ios/app/passkeys-app/id1659205365)

This app offers a secure and simple way to log into your accounts without passwords. It uses biometric authentication like Face ID or Touch ID for quick setup and effortless sign-ins, providing next-generation security and phishing protection.

**Highlights:** Passwordless sign-ins, Biometric authentication (Face ID/Touch ID), Encrypted data storage, Encrypted backups, Cross-device synchronization, Phishing-proof security

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Passkeys | $2.99 | per 7 days |
| Passkeys | $5.99 | per month |
| Passkeys | $19.99 | per year |

**What reviewers like**

- 👍 Well-designed app
- 🔒 Secure and reliable
- 🚀 Easy to set up and use
- 💡 Convenient password management
- 🔒 Encrypted cloud storage

**What reviewers complain about**

- 🐛 Occasional crashes and performance issues
- 💡 Lacking advanced customization options
- 💡 Could use more features for power users
- 🔋 Slightly slow loading times at times

**Reported bugs**

- Login screen freezes
- Incompatibility with certain apps

**Requested features**

- Dark mode option
- More customization settings
- Additional security features
- Enhanced password generator
- Improved mobile app stability


### Duo Authenticator

[App page](https://appshunter.io/ios/app/duo-authenticator/id1665454984)

Enhance your online security with this multi-factor authentication app. It provides an extra layer of protection for your accounts by generating time-sensitive codes, even when offline. Secure your sensitive information with ease and peace of mind.

**Highlights:** Quick and easy setup, Wide service compatibility, Time-sensitive security codes, Offline code generation, End-to-end encryption, Security code protection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Week | $3.99 | per 7 days |
| Premium 1 Month | $9.99 | per month |
| Premium 1 Year | $29.99 | per year |


## Frequently asked questions

### Is Passkeys App free?

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

### Is Duo Authenticator free?

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

### Which has better reviews, Passkeys App or Duo Authenticator?

Passkeys App is rated higher. Passkeys App averages 4.7 out of 5 from 973 ratings, while Duo Authenticator averages 4.2 from 24 ratings.

### Do Passkeys App or Duo Authenticator have ads?

Duo Authenticator shows ads; Passkeys App does not.

### Which is updated more often, Passkeys App or Duo Authenticator?

Passkeys App ships an update fortnightly, and Duo Authenticator monthly. Most recently, Passkeys App was updated on October 12, 2026 and Duo Authenticator on October 9, 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.*