# Secure DNS & Firewall vs Great Security Response

The clearest difference is in-app purchases: Great Security Response at none against Secure DNS & Firewall's 2. Great Security Response also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Secure DNS & Firewall sells 2 in-app purchases, starting at $1.49 per month. Great Security Response asks for nothing beyond the download.

Secure DNS & Firewall ships an update every 6 weeks, Great Security Response every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Secure DNS & Firewall | Great Security Response |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (21 ratings)](https://appshunter.io/ios/app/secure-dns-and-firewall/id1553642022/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 99 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flinteger LLC](https://appshunter.io/developer/1553642024) | [Skyresponse AB](https://appshunter.io/developer/639658030) |

## What reviewers say

### Secure DNS & Firewall

[App page](https://appshunter.io/ios/app/secure-dns-and-firewall/id1553642022)

Encrypts DNS queries for enhanced privacy and security. It blocks ads, trackers, and malicious sites with customizable rules, offering a safer browsing experience. View your DNS query history for insights and control.

**Highlights:** Encrypted DNS over HTTPS (DoH), Customizable domain block list, Predefined blocked categories, App and service blocking, DNS query history, Ad and tracker blocking

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DNSS Monthly Subscription | $1.49 | per month |
| DNSS Yearly Subscription | $12.99 | per year |


### Great Security Response

[App page](https://appshunter.io/ios/app/great-security-response/id1635140264)

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

**In-app purchases:** none


## Frequently asked questions

### Is Secure DNS & Firewall free?

Secure DNS & Firewall is free to download, with in-app purchases available.

### Is Great Security Response free?

Great Security Response is free to download, with no in-app purchases.

### Do Secure DNS & Firewall or Great Security Response have ads?

Neither Secure DNS & Firewall nor Great Security Response shows ads.

### Which is updated more often, Secure DNS & Firewall or Great Security Response?

Secure DNS & Firewall ships an update every 6 weeks, and Great Security Response every 2 months. Most recently, Secure DNS & Firewall was updated on October 24, 2026 and Great Security Response 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.*