# DNS Firewall by KeepSolid — Filter malicious web traffic

> Network security solution that filters malicious web traffic and blocks undesirable content. (iPhone/iPad app by KeepSolid Inc..)

- Source: https://appshunter.io/ios/app/dns-firewall-by-keepsolid/id1553438508 (this page in markdown: same URL + `.md`)
- Developer: [KeepSolid Inc.](https://appshunter.io/developer/674978021)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 4.40/5 from 22 App Store ratings · 63 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.1 · 60 MB
- Languages: American English, German (Germany), Japanese, Korean, Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish, Turkish
- Released: 2021-07-12
- Data updated: 2026-08-18
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/dns-firewall-by-keepsolid/id1553438508/reviews.md

## What is DNS Firewall by KeepSolid?

WHAT IS DNS FIREWALL
DNS Firewall is a network security solution that intercepts DNS resolution for known-malicious websites and keeps your web surfing experience safe.
Only state-of-the-art technologies, high-reliability protocols, and proven security algorithms are included!
Note: DNS Firewall is a part of the MonoDefense security bundle.
MonoDefense is a broad range of solutions. It’s a sophisticated security bundle that offers you all-around protection of your network, browsing, and passwords. This bundle includes DNS Firewall, VPN Unlimited®, and Passwarden® password manager. 

REASONS TO GET STARTED WITH DNS FIREWALL:
- To protect your iOS devices from suspicious DNS activities
- To block sites that contain undesirable content and annoying pop-up windows
- To filter malicious internet traffic and prevent phishing
- To keep your private data safe from any third parties
- To safeguard any number of devices from malware infection 

BENEFITS OF USING DNS FIREWALL:
◆ Advanced malware domain protection
To help you avoid malware infection, DNS Firewall intercepts any DNS resolutions, safeguards your online activities, and protects your device from malware and other cyber threats. Also, our service allows you to block phishing sites and online services with inappropriate content. 
As the list of inappropriate websites and services is constantly updated, you can be sure that you always get a perfect online experience.

◆ Secured VPN connection
DNS Firewall establishes a secure virtual connection using the WireGuard® protocol and encrypts both the incoming and outgoing DNS traffic of your device. Thus, you can be sure your internet connection is private and secure from DNS attacks.

◆ Easy and fast configuration
It’s quite easy to get started with the DNS Firewall app. Our professional team makes every effort to simplify the interface and make it even more user-friendly and comprehensive. Also, we provide lots of handy filters to get rid of undesired content and make your online experience smoother.

◆ Multiplatform application
DNS Firewall is a cross-platform security solution. You can protect several devices with one account at the same time.

◆ Professional customer support
Our friendly customer support team is ready to answer any questions you have and provide you any assistance 24 hours a day, 7 days a week. So, if you have any difficulties related to our service, feel free to contact our customer support team via support@keepsolid.com.

After your free 7-day trial, you can choose any of our subscription options:
▶ 1 Month
▶ 1 Year
▶ Lifetime

Legal information:
https://www.keepsolid.com/eua
https://www.keepsolid.com/privacy-policy

## Key features

- Malware domain protection
- Block undesirable content
- Filter malicious traffic
- Prevent phishing
- Secure VPN connection
- Multiplatform support

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1 month | $1.99 | per month |
| 1 year | $9.99 | per year |
| 1 month | $1.99 | per month |
| 1 year | $9.99 | per year |
| MonoDefense 1 Month | $14.99 | per month |
| 1 Month | $1.99 | per month |
| 1 month | $1.99 | per month |
| MonoDefense 1 Month | $11.99 | per month |
| MonoDefense 1 year | $79.99 | per year |
| MonoDefense 1 month | $11.99 | per month |
| MonoDefense 1 year | $79.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Upgrade MonoDefense Lifetime | $99.99 | one-time |
| Upgrade MonoDefense Lifetime | $99.99 | one-time |
| Lifetime | $199.99 | one-time |
| MonoDefense Lifetime | $399.99 | one-time |


## What do users think of DNS Firewall by KeepSolid?

Overall sentiment: mixed

**Pros**

- 🔒 Excellent DNS Firewall capabilities
- 👍 Easy to use and understand
- 🔒 Blocks unwanted internet access effectively
- 👍 Provides control over app internet usage
- 🔒 Identifies data harvesting from apps
- 👍 Good for managing background traffic
- 🔒 Stops apps from performing unauthorized actions
- 👍 Offers confidence and security
- 👍 Intuitive interface
- 🔒 Blocks ads from specific apps
- 👍 Lightweight application
- 👍 Professional and good UI design
- 🔒 Protects against malware and unwanted apps
- 👍 Works well for its intended purpose
- 👍 Syncs across devices (mentioned by one user)
- 👍 Good value for money (for paid version)

**Cons**

- 🐛 Crashing issues reported frequently
- 🐛 Disconnects WiFi
- 🐛 Slow connection times
- 🐛 App doesn't work on certain devices (Arm Mac)
- 🐛 Installation/timing out issues
- 🐛 Can interfere with other apps
- 🐛 Free version not very useful
- 🐛 Expensive (mentioned by one user)
- 🐛 iOS 10 update issues with permissions
- 🐛 Subscription required for full utility

**Commonly reported bugs**

- App crashes frequently
- Disconnects WiFi
- Slow to connect
- Does not work on Arm Mac
- Installation times out
- Interferes with other apps
- iOS 10 update issues with permissions
- Keeps asking for permissions that are already denied
- Cannot uninstall
- Locked out of VPN

**Most requested features**

- Update blocking algorithm and block list
- Show other available purchases and define costs
- Allow one registration for two devices
- Enable auto-connect on boot
- Option to connect to a VPN (PPTP/OpenVPN/etc.)
- Improve iOS 10 update interpretation of entries
- Add recommended profiles for system apps
- Option to reject or deny unknown profiles within 30 seconds
- Address blacklists
- Remove or limit log entries
- Suggestions or voice commands for user-friendliness
- Option for roaming columns (mobile column for roaming)
- Ability to add custom filter lists
- Adblocking switch
- More upgrades for filtering, viewing, and time management
- Capability to deactivate to stop connection by force

## Recent user reviews (10 of 63)

All indexed reviews: https://appshunter.io/ios/app/dns-firewall-by-keepsolid/id1553438508/reviews.md

### 4/5 — Update required.

*2025-05-09*

Update Required for the App,  along with Blocking algorithm and Block list. Please update.

**Developer response:** Thank you for your valuable input! We acknowledge the importance of regular updates to the DNS Firewall, especially regarding the blocking algorithm and blacklist database. Your feedback has been forwarded to our development team for review. Should you have more suggestions, feel free to contact us directly at support@keepsolid.com.

### 1/5 — Please don’t buy this worst VPN

*2024-12-22*

Disconnects the WiFi and Crashing. Refund my subscription money. This is the fcuking worst app I have ever seen

**Developer response:** That shouldn't be the expected performance. Please provide more info to support@keepsolid.com so we could take a closer look to help.

### 5/5 — Undeniable

*2024-12-02*

Great company to work with, excellent support.

**Developer response:** Thanks for the 5-star review, we are pleased to hear you are enjoying our service. Have a great time using DNS Firewall.

### 4/5 — Question is as a newbie here

*2024-11-01, version 1.0.7*

Can you show the other purchases available and define them as specifically what the cost covers and can 1 registration cover 2 devices?

### 1/5 — Help

*2024-06-14, version 1.0.7*

Can’t uninstall. Locked my VPN out. Help

### 1/5 — Slow connecting

*2024-06-03*

It take tooo time to connect very ow and worst experience i waste my money in it.

**Developer response:** That is not the experience we want you to be having. Please, provide more info to support@keepsolid.com so we could take a closer look to help.

### 2/5 — Please find solution of crashing it keeps crashing

*2024-05-30*

I purchased premium but it wasn’t working properly 
Crashes every time i start or try to use

**Developer response:** That shouldn't be the expected performance. Please provide more info to support@keepsolid.com so we could take a closer look to help.

### 3/5 — Keeps crashing

*2024-04-09*

Please find out the solution it keeps crashin.

**Developer response:** We'd love to help figure out what's causing that. Please contact us via support@keepsolid.com providing more details about the issue you are experiencing.

### 1/5 — Doesn't work on my Arm Mac

*2023-12-21*

It works on my older machine though.  Please update.

Thanks.

### 5/5 — Awesome

*2023-07-18, version 1.0.6*

rfhsdfhsfga

## Frequently asked questions about DNS Firewall by KeepSolid

### What does DNS Firewall do?

DNS Firewall is a network security solution that intercepts DNS resolutions for known-malicious websites. It aims to keep your web surfing experience safe by blocking sites with undesirable content, filtering malicious internet traffic, and preventing phishing attempts.

### What are the key benefits of using DNS Firewall?

Key benefits include advanced malware domain protection, the ability to block sites with undesirable content and pop-up windows, filtering malicious traffic to prevent phishing, safeguarding private data, and protecting multiple devices from malware infection. It also establishes a secure VPN connection.

### How much does DNS Firewall cost?

The app offers a free 7-day trial. After the trial period, users can choose from various subscription options, including 1-month, 1-year, and lifetime plans.

### Is DNS Firewall available on multiple platforms?

Yes, DNS Firewall is a multiplatform application. This means you can protect several devices with a single account, ensuring consistent security across your different devices.

### How does DNS Firewall protect against malware and phishing?

It intercepts DNS resolutions for malicious domains, preventing your device from connecting to them. This safeguards your online activities and protects your device from malware and other cyber threats, including phishing sites.

## Version history (last 5 releases)

### 1.0.7 — 2022-06-01

- Updated used libraries to the latest version.
Have any questions? Feel free to contact our customer support via support@keepsolid.com

### 1.0.6 — 2021-10-26

- Improved the UI of the Login screen
- Improved the app’s performance and stability
Have any questions? Feel free to contact our customer support via support@keepsolid.com.

### 1.0.5 — 2021-08-03

- Improved the app’s performance and stability
Have any questions? Feel free to contact our customer support via support@keepsolid.com.

### 1.0.4 — 2021-07-26

- Performance improvements and bug fixes
If you have any questions, feel free to contact us in app or at support@keepsolid.com

### 1.0.3 — 2021-07-08

The DNS Firewall filters all malicious traffic and blocks DNS-activity to safeguard your private data and raise your online security to an even more advanced level.

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## More apps by KeepSolid Inc.

- [Photo Transfer WiFi](https://appshunter.io/ios/app/photo-transfer-wifi/id674978018)
- [VPN Unlimited: Fast Secure VPN](https://appshunter.io/ios/app/vpn-unlimited-fast-secure-vpn/id694633015)
- [Private Browser - Surf Safe](https://appshunter.io/ios/app/private-browser-surf-safe/id928439050)
- [Network Tools by KeepSolid](https://appshunter.io/ios/app/network-tools-by-keepsolid/id1100630954)
- [VPN Lite Without Registration](https://appshunter.io/ios/app/vpn-lite-without-registration/id1424247267)
- [KeepSolid SmartDNS](https://appshunter.io/ios/app/keepsolid-smartdns/id1475622766)

All apps by KeepSolid Inc.: https://appshunter.io/developer/674978021

## Related topics

[dns firewall by keepsolid](https://appshunter.io/ios/topics/dns-firewall-by-keepsolid) · [guardian firewall](https://appshunter.io/ios/topics/guardian-firewall) · [dns firewall](https://appshunter.io/ios/topics/dns-firewall) · [keepsolid smartdns](https://appshunter.io/ios/topics/keepsolid-smartdns) · [noroot firewall](https://appshunter.io/ios/topics/noroot-firewall) · [fire wall](https://appshunter.io/ios/topics/fire-wall)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*