# Dùn vs AuthSecure

The clearest difference is iOS requirement: AuthSecure at 16.6 against Dùn's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Dùn sells 1 in-app purchase, starting at $9.99 per year and AuthSecure sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Dùn ships an update every 2 months, AuthSecure every 3 months. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Dùn | AuthSecure |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 14 MB | 18 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 17+ |
| Developer | [Rafael Schmitt](https://appshunter.io/developer/1624968823) | [Aydin Best Foods LTD](https://appshunter.io/developer/6772283601) |

## What reviewers say

### Dùn

[App page](https://appshunter.io/ios/app/dun-private-link-storage/id6627333601)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dun Unlimited | $9.99 | per year |


### AuthSecure

[App page](https://appshunter.io/ios/app/authsecure-2fa-and-privacy/id6762833240)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Utility Weekly | $9.99 | per 7 days |
| Utility Weekly | $9.99 | per 7 days |


## Frequently asked questions

### Is Dùn free?

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

### Is AuthSecure free?

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

### Do Dùn or AuthSecure have ads?

Neither Dùn nor AuthSecure shows ads.

### Which is updated more often, Dùn or AuthSecure?

Dùn ships an update every 2 months, and AuthSecure every 3 months. Most recently, Dùn was updated on October 30, 2026 and AuthSecure on November 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.*