# dual vs Authenticator App

The clearest difference is in-app purchases: dual at none against Authenticator App's 3. dual also leads on ads (none vs shown). Authenticator App's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $2.99 per 7 days. dual asks for nothing beyond the download.

dual ships an update fortnightly, Authenticator App every 2 weeks. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | dual | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (16 ratings)](https://appshunter.io/ios/app/dual/id6749556189/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 52 MB | 59 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eliel Rodriguez Boffil](https://appshunter.io/developer/1831146022) | [Radhika Pillai](https://appshunter.io/developer/6799962852) |

## What reviewers say

### dual

[App page](https://appshunter.io/ios/app/dual/id6749556189)

Manage your international shipments with ease. Track packages in real-time, pre-alert purchases to speed up delivery, and receive instant updates on your shipments. Access your shipping history and invoices, and manage your delivery addresses efficiently.

**Highlights:** Real-time package tracking, Pre-alert purchase notifications, Instant shipment updates, Shipping history and invoice access, Address management

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-codes/id6799962850)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $2.99 | per 7 days |
| Monthly Plan | $5.99 | per month |
| Lifetime Plan | $12.99 | one-time |


## Frequently asked questions

### Is dual free?

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

### Is Authenticator App free?

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

### Do dual or Authenticator App have ads?

Authenticator App shows ads; dual does not.

### Which is updated more often, dual or Authenticator App?

dual ships an update fortnightly, and Authenticator App every 2 weeks. Most recently, dual was updated on September 28, 2026 and Authenticator App on October 1, 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.*