# OneSpan™ ShopAuth vs DNS Mail Info

The clearest difference is update cadence: DNS Mail Info at every 2 days against OneSpan™ ShopAuth's every 3 months. OneSpan™ ShopAuth's advantage is iOS requirement (14.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

OneSpan™ ShopAuth ships an update every 3 months, DNS Mail Info every 2 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OneSpan™ ShopAuth | DNS Mail Info |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 57 MB | 3 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nok Nok Labs](https://appshunter.io/developer/916308249) | [BEHR Consulting International](https://appshunter.io/developer/385816833) |

## What reviewers say

### OneSpan™ ShopAuth

[App page](https://appshunter.io/ios/app/onespan-shopauth/id1542735151)

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

**In-app purchases:** none


### DNS Mail Info

[App page](https://appshunter.io/ios/app/dns-mail-info/id6484502460)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneSpan™ ShopAuth free?

OneSpan™ ShopAuth is free to download, with no in-app purchases.

### Is DNS Mail Info free?

DNS Mail Info is free to download, with no in-app purchases.

### Do OneSpan™ ShopAuth or DNS Mail Info have ads?

Neither OneSpan™ ShopAuth nor DNS Mail Info shows ads.

### Which is updated more often, OneSpan™ ShopAuth or DNS Mail Info?

OneSpan™ ShopAuth ships an update every 3 months, and DNS Mail Info every 2 days. Most recently, OneSpan™ ShopAuth was updated on November 3, 2026 and DNS Mail Info on October 25, 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.*