# Duo Authenticator vs AI Print Hub

The clearest difference is rating: AI Print Hub at 4.8 against Duo Authenticator's 4.2. Duo Authenticator's advantage is ratings volume (24 vs 4) and iOS requirement (16.6 vs 18.1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Duo Authenticator sells 3 in-app purchases, starting at $3.99 per 7 days and AI Print Hub sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Print Hub holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Duo Authenticator has 24 ratings behind it against 4, so its average is the more settled of the two.

Duo Authenticator ships an update monthly, AI Print Hub every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Duo Authenticator | AI Print Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (24 ratings)](https://appshunter.io/ios/app/duo-authenticator/id1665454984/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/ai-print-hub/id6742490834/reviews)** |
| Number of ratings | **24** | 4 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 73 MB |
| Requires iOS | **16.6** | 18.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Petr Polasek](https://appshunter.io/developer/1613323784) | [ZILLIA TECH LTD](https://appshunter.io/developer/1590208510) |

## What reviewers say

### 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 |


### AI Print Hub

[App page](https://appshunter.io/ios/app/ai-print-hub/id6742490834)

Easily print documents, photos, contacts, and scanned images directly from your mobile device. This smart assistant connects to over 9,000 printer models, allowing you to scan, extract text with AI, and print without a computer.

**Highlights:** Print documents and PDFs, Print photos from gallery, AI text import from images, Print contacts, Scan and print documents, Supports 9,000+ printer models

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $9.99 | per 7 days |
| Annual Plan | $59.99 | per year |


## Frequently asked questions

### Is Duo Authenticator free?

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

### Is AI Print Hub free?

AI Print Hub is free to download, with in-app purchases available.

### Which has better reviews, Duo Authenticator or AI Print Hub?

AI Print Hub is rated higher. Duo Authenticator averages 4.2 out of 5 from 24 ratings, while AI Print Hub averages 4.8 from 4 ratings.

### Do Duo Authenticator or AI Print Hub have ads?

Both Duo Authenticator and AI Print Hub show ads.

### Which is updated more often, Duo Authenticator or AI Print Hub?

Duo Authenticator ships an update monthly, and AI Print Hub every 4 weeks. Most recently, Duo Authenticator was updated on October 25, 2026 and AI Print Hub on October 24, 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.*