Comparison

Comodo Mobile Security vs Secure DNS & Firewall

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

Head to head
About

Comodo Mobile Security

Enhance your mobile security with a suite of tools including a private VPN, call blocker, secure file vault, and identity theft protection. Browse the web safely and protect your sensitive data from online threats.

Highlights
  • Secure VPN for private browsing
  • Call blocker for unwanted calls
  • File vault for sensitive data
  • Identity theft protection
  • Wi-Fi security filter
  • Safe browsing with malicious website blocking
Features
Read full description

Experience complete mobile safety with Comodo Mobile Security for iPhone. Among our first round of security features for this brand-new version you’ll find: our secure VPN, our call blocker to block robocalls and telemarketers, our file vault to lock all your sensitive files on your iPhone, our identity-theft protection module, a Wi-Fi security filter, and a 100% safe browsing experience with your favorite browser. ■ VPN - Protect your privacy with Comodo’s VPN. By masking your IP address and encrypting your mobile connection, the mobile VPN keeps your browsing 100% private and secure. Using Comodo’s VPN, you’ll keep your data safe and your browsing anonymous on public WiFi. Your browsing and data remain unreadable and inaccessible even for your ISP and mobile network provider. ■ Vault - Keep your sensitive files secret. With Comodo's vault for iPhone, keep your photos and files locked using a passcode, Face ID or Touch ID. Unauthorized access to your personal files will be completely blocked. In addition, an easy-to-share feature and importing options will help you keep everything organized. ■ Identity theft protection - your social security number (US only), email addresses, passwords, credit card numbers, pin numbers, and phone numbers can be sold to the highest bidder on the Dark Web. Comodo’s identity theft protection monitors the bad guys and alerts you instantly when your sensitive information is put for sale, giving you plenty of time to change your credentials, and alert your credit card companies & credit bureaus. Comodo’s identity theft protection makes it easy to protect your identity and sensitive credentials from hackers. ■ Safe browsing – Get a Secure browser by activating Comodo’s safe browsing feature. Your secure browser will prevent malicious websites from stealing your personal information (phishing), or from taking control of your browsing (browser hijacking). Enabling this feature will guarantee a secure browser that block any malicious intent. PREMIUM SERVICES: You will be charged weekly, monthly or yearly (12-month period) for the premium features below: 1- Unlimited VPN (because of governmental restrictions, the VPN does not work in China, Russia, Turkey, Belarus, Oman, and United Arab Emirates) 2- ID Protection for more than 1 email. (Premium subscriptions have a 10 email limit.) 3- Vault PRO SERVICES: You will be charged weekly, monthly or yearly (12-month period) for the pro features below: 1- Safe Browsing 2- ID Protection for 1 email 3- Vault SUBSCRIPTIONS * You will be charged for usage of PREMIUM SERVICES or PRO SERVICES * Subscription lengths available: one week, one month, and one year. * Subscription prices for Premium: one week ($1.49), one month ($4.99) and one year ($19.99) * Subscription prices for Pro: one week ($0.99), one month ($3.99) and one year ($15.99) * Payment will be charged to the iTunes account upon confirmation of purchase. * Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. * Account will be charged for renewal within 24-hours before the end * Subscriptions may be managed by the user, and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Support: cms@comodo.com Website: https://m.comodo.com By installing/updating this app, you agree that your use of it is governed by these terms: https://www.comodo.com/repository/docs/CMS_EULA_iOS_v10.html Privacy Policy: https://www.comodo.com/privacy-policy.php

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.

Screenshots

Comodo Mobile Security4 screens
Secure DNS & Firewall4 screens

Verdict

The call

The clearest difference is rating: Secure DNS & Firewall at 4.0 against Comodo Mobile Security's 3.1. Secure DNS & Firewall also leads on review sentiment (70% vs 28%). Comodo Mobile Security's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (11.2 vs 17.0). On price, ratings volume, ads and in-app purchases 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. Comodo Mobile Security sells 8 in-app purchases, starting at $0.99 per 7 days and Secure DNS & Firewall sells 2 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Secure DNS & Firewall holds the better App Store score, 4.0 against 3.1. Both are backed by a comparable volume of ratings — 51 and 22 respectively. Written reviews point the same way: 28% of Comodo Mobile Security's written reviews are positive against 70% of Secure DNS & Firewall's.

UpkeepUpdate frequency

Comodo Mobile Security ships an update every 2 weeks, Secure DNS & Firewall every 6 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Comodo Mobile Security versus Secure DNS & Firewall: the parameters behind the verdict, then further details
ParameterComodo Mobile SecuritySecure DNS & Firewall
PriceFreeFree
Rating3.1 (51 ratings)4.0 (22 ratings) — better
Positive reviews27.6% of reviews70.0% of reviews — better
Number of ratings51 — better22
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS11.2 — better17.0
Further details — not scored
Size65 MB42 MB
Age rating4+4+
DeveloperCOMODO Security Solutions, IncFlinteger LLC

Customer experience

Comodo Mobile Security

All ratings49 ratings
Positive53.1%
Neutral6.1%
Negative40.8%
Written reviews29 reviews
Positive27.6%
Neutral10.3%
Negative62.1%

Secure DNS & Firewall

All ratings22 ratings
Positive68.2%
Neutral9.1%
Negative22.7%
Written reviews20 reviews
Positive70.0%
Neutral5.0%
Negative25.0%

In-app purchases

8 purchases

Comodo Mobile Security

Subscriptions8
  • Weekly Pro Security Package$0.997 Days
  • Weekly Premium VPN, Security$1.497 Days
  • Monthly Premium VPN, Security$1.491 Month
Show 5 more
  • Monthly Pro Security, Vault$1.991 Month
  • Monthly Premium VPN, Security$3.991 Month
  • Yearly Pro Security, Vault$9.991 Year
  • Yearly Premium VPN, Security$12.991 Year
  • Yearly Premium VPN, Security$13.491 Year
2 purchases

Secure DNS & Firewall

Subscriptions2
  • DNSS Monthly Subscription3 Days trial$1.491 Month
  • DNSS Yearly Subscription14 Days trial$12.991 Year

Questions

Is Comodo Mobile Security free?
Comodo Mobile Security is free to download, with in-app purchases available.
Is Secure DNS & Firewall free?
Secure DNS & Firewall is free to download, with in-app purchases available.
Which has better reviews, Comodo Mobile Security or Secure DNS & Firewall?
Secure DNS & Firewall is rated higher. Comodo Mobile Security averages 3.1 out of 5 from 51 ratings, while Secure DNS & Firewall averages 4.0 from 22 ratings.
Do Comodo Mobile Security or Secure DNS & Firewall have ads?
Neither Comodo Mobile Security nor Secure DNS & Firewall shows ads.
Which is updated more often, Comodo Mobile Security or Secure DNS & Firewall?
Comodo Mobile Security ships an update every 2 weeks, and Secure DNS & Firewall every 6 weeks. Most recently, Comodo Mobile Security was updated on October 8, 2026 and Secure DNS & Firewall on October 12, 2026.

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