Comparison

Secure DNS & Firewall vs SD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Secure DNS & Firewall

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
Read full description

DNS Firewall encrypts all DNS queries across all networks to ensure secure DNS queries and protect your privacy. With customized rules, it also helps protect against certain phishing and malware attacks, blocks ads and trackers, and provides a safer and cleaner network environment. ## Features ### Security DNS Firewall offers a DNS over HTTPS (DoH) service to immediately protect your DNS privacy and safeguard against DNS manipulation, a cyber attack that can block access to news sites, social media platforms, and messaging apps. ### Customizable Firewall You can add domains to the block list, including subdomains, and customize it to fit your needs. ### Predefined Blocked Categories We maintain and update predefined blocked categories, such as known malicious and phishing domains, several times a day to keep the block list data up-to-date. ### App/Service Blocking You have the option to block selected apps and services. ### Your DNS query history - Offers clear insights into your network queries. You can block or allow domains with a single tap. - Displays the domains you're visiting, the blocked domains, and the reason for the block (e.g., ad, malicious). - Shows the most recent DNS queries on your device via a timeline. - DNS query history is private and can only be accessed by you. - Can be turned off, in which case the server won't save any query data. # Privacy We are fully committed to data security and privacy. DNS Firewall is in return protecting your own privacy. Your data is fully under your control. - We don’t track your usage of DNS Firewall. There are no cookies, advertisements and analytics. - DNS Firewall is designed to be used anonymously. We do not ask for any email, phone or personal information to use our app. - We do not (and will never) sell or share any of the data submitted directly or indirectly by our users with any person or entity. # Subscription - Subscription is needed to use our service. - 14-day free trial requires activation of subscription $1.49/month or $12.99/year. - Payment will be charged to Apple account at confirmation of purchase. - Cancel in your Apple account before end of trial to avoid payment. After trial, your subscription will start and renew automatically monthly, unless cancelled. - 14-day trial is valid for one subscription only.

About

SD

Features
Read full description

The VMware SD-WAN Client provides enterprise IT with an easy and secure remote access solution for remote and hybrid workers that boosts productivity by optimizing connection speed.  It provides robust security with connections created with end-to-end encryption after Zero Trust interrogation.

Screenshots

Secure DNS & Firewall4 screens
SD4 screens

Verdict

The call

The clearest difference is in-app purchases: SD at none against Secure DNS & Firewall's 2. SD also leads on iOS requirement (13.4 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Secure DNS & Firewall ships an update every 6 weeks, SD every 2 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
Secure DNS & Firewall versus SD: the parameters behind the verdict, then further details
ParameterSecure DNS & FirewallSD
PriceFreeFree
Rating4.0 (22 ratings) — better—
Positive reviews70.0% of reviews—
Number of ratings22 — better—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.013.4 — better
Further details — not scored
Size42 MB16 MB
Age rating4+4+
DeveloperFlinteger LLCVMware, Inc.

In-app purchases

2 purchases

Secure DNS & Firewall

Subscriptions2
  • DNSS Monthly Subscription3 Days trial$1.491 Month
  • DNSS Yearly Subscription14 Days trial$12.991 Year
None

SD

No in-app purchases

Questions

Is Secure DNS & Firewall free?
Secure DNS & Firewall is free to download, with in-app purchases available.
Is SD free?
SD is free to download, with no in-app purchases.
Do Secure DNS & Firewall or SD have ads?
Neither Secure DNS & Firewall nor SD shows ads.
Which is updated more often, Secure DNS & Firewall or SD?
Secure DNS & Firewall ships an update every 6 weeks, and SD every 2 months. Most recently, Secure DNS & Firewall was updated on October 16, 2026 and SD on October 4, 2026.

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