## ⚠ Content Warning

This report covers topics classified as sensitive (gambling). Information is aggregated from public sources for informational purposes only. Information is provided for context only and is not professional advice.

---
last_verified: "2026-05-11T23:50:46.356Z"
---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "DNS Firewall by KeepSolid"
developer_entity: "KeepSolid Inc."
bundle_id: "com.keepsolid.dnsfirewall"
app_store_id: "1553438508"
category: "Productivity"
primary_platform: "ios"
primary_monetization: "Subscription"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2023-10-26"
report_date: "2026-05-11"
last_verified: "2026-05-11"
report_version: "1.0.7"
total_reviews: 390
overall_rating: 3.84
sentiment: "Mixed"
sentiment_score: 45
confidence: "high"
confidence_score: 0.7
top_praise_theme: "Effective malware and malicious site blocking provides users with a sense of digital security"
top_complaint_theme: "Aggressive subscription prompts and paywalls frustrate users expecting a free or trial-based experience"
top_request_theme: "Custom blocklist support would allow advanced users to import external domain lists for better filtering"
review_sample_size: 94
total_review_count: 94
analyzed_review_count: 94
data_age_days: 0
intelligence_version: 3
nemesis: "NextDNS"
competitor_count: 6
tags: ["productivity", "subscription", "mixed sentiment", "mobile app", "app review", "app analysis", "privacy-conscious", "users", "seeking"]
canonical_url: "https://marlvel.ai/intel-report/productivity/dns-firewall-by-keepsolid"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# DNS Firewall by KeepSolid App Audit

## TL;DR {#tldr}

- **Category**: Productivity · Subscription
- **Signal**: Rating 3.84 · Sentiment Mixed
- **Recent focus**: Aggressive subscription prompts and paywalls frustrate users expecting a free or trial-based experience (top complaint) · Effective malware and malicious site blocking provides users with a sense of digital security (top praise) · Custom blocklist support would allow advanced users to import external domain lists for better filtering (top request)

> **TL;DR:** DNS Firewall by KeepSolid is a productivity app by KeepSolid Inc., rated 3.84/5 by 390 users, with Mixed user sentiment (45/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** DNS Firewall by KeepSolid shows Mixed sentiment (3.84/5 from 390 reviews) — users praise effective malware and malicious site blocking provides users with a sense of digital security but report issues with aggressive subscription prompts and paywalls frustrate users expecting a free or trial-based experience.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 3.84/5 (390 reviews) |
| **User Mood** | Mixed |
| **Category** | Productivity |
| **Developer** | KeepSolid Inc. |
| **Pricing** | Subscription |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.7/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** KeepSolid Inc.
- **Category:** Productivity
- **Target Audience:** Privacy-conscious users seeking to secure multiple devices against phishing, malware, and intrusive web content.
- **Platforms:** iOS & Android
- **Version Audited:** 1.0.7
- **Audit Date:** 2026-05-11
- **Signal Count:** 94 reviews analyzed
- **Confidence:** High (0.7/1.0)
- **App Store ID (iOS):** 1553438508
- **Bundle ID:** com.keepsolid.dnsfirewall
- **Google Play ID:** com.keepsolid.dnsfirewall
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-05-11
- **Short Description:** Block malicious websites and protect your device from cyber threats

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** DNS Firewall by KeepSolid is a mobile security utility that intercepts DNS resolution to block malicious domains and intrusive content.
**Why users hire it:** Users hire this tool to automate protection against phishing and malware without requiring deep technical configuration, though the subscription-first model creates a barrier to entry.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] DNS Traffic Filtering:** Intercepts DNS resolution to block access to known-malicious domains and phishing sites
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Standard] Multi-Device Support:** Allows up to 5 simultaneous connections across Windows, macOS, iOS, and Android under one account
- **[Differentiator] Custom Blocklist and Safelist:** User-defined controls to manually block specific domains or whitelist sites excluded from default filtering
  * *User Intent:* Users value self-expression and personalized experiences.
- **[Differentiator] WireGuard Protocol Integration:** Establishes encrypted virtual connections for DNS traffic using the WireGuard protocol
  * *User Intent:* Users prioritize data protection and trust in the platform.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

DNS Firewall maintains a 3.8 rating on Android with 368 reviews, trailing the more granular NextDNS which dominates the power-user segment. The reliance on a subscription bundle limits its appeal against free, browser-native tracking protections.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Subscription
- **Tiers:** Free 7-day trial, 1 month, 1 year, and lifetime access
- **Analysis:** Subscription model anchored to the MonoDefense bundle, which includes VPN and password management services.

<!-- section:sentiment -->
## 🟡 User Sentiment (High Confidence: 94 of 94 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 3.84/5
- **Platform Split:** iOS 4.4/5 (22 ratings) | Android 3.8/5 (368 ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Effective malware and malicious site blocking provides users with a sense of digital security**
- **Intuitive interface design allows non-technical users to manage network permissions without complex configuration**

### Top Complaints (Impact Areas)
- **Aggressive subscription prompts and paywalls frustrate users expecting a free or trial-based experience**
- **Inconsistent ad blocking performance fails to meet user expectations compared to established market competitors**

### Top Requests (What Users Want)
- **Custom blocklist support would allow advanced users to import external domain lists for better filtering**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- WireGuard integration provides technical performance authority
- Multi-device support increases household switching costs

**Critical Frictions:**
- 3.8★ Android rating trails iOS
- Aggressive paywalls frustrate free-tier expectations
- Inconsistent ad-blocking performance

**Growth Levers:**
- Importable custom blocklists would capture power-user segment
- Wearable integration would expand security footprint

**Market Threats:**
- Browser-integrated tracking protection reduces standalone utility
- NextDNS cloud-dashboard offers superior auditability

<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app transitioned to a subscription-first monetization model and expanded its feature set, leading to increased user friction and negative sentiment.

**Overall trend**: Declining
**Compared at**: 2026-05-11

### High-impact changes
- **[Shifted] Monetization Model** (pricing) — Pricing model shifted from freemium to subscription-first, resulting in user complaints regarding aggressive paywalls.
- **[Declined] User Sentiment** (sentiment) — Sentiment shifted from neutral to mixed, with new complaints regarding paywalls and inconsistent ad-blocking performance.

### Medium-impact changes
- **[Added] Advanced Feature Set** (features) — Added Multi-Device Support, Custom Blocklist/Safelist, and WireGuard Protocol Integration as new differentiators.
- **[Shifted] Target Audience Focus** (audience) — Audience focus narrowed from general Android users to privacy-conscious users requiring multi-device security.

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### DNS Firewall by KeepSolid vs NextDNS — Head to Head
- **[NextDNS](https://marlvel.ai/intel-report/utilities/nextdns)** by nextdns Inc.: NextDNS is the direct market leader in the DNS-based filtering niche, offering granular control that mirrors the target app's core value proposition at a significantly larger scale.
  - **Moat strength:** High — sustainable advantage over 12 months
  - **Key differences:**
    - Provides granular, cloud-based filtering rules that allow users to block specific trackers and domains individually.
    - Offers a robust web-based dashboard for real-time analytics and custom blocklist management across all devices.
    - Supports native integration with router-level DNS settings, providing network-wide protection beyond just mobile device endpoints.
  - **Where DNS Firewall by KeepSolid wins:**
    - ✅ Maintains a more simplified, user-friendly interface that reduces the technical barrier for non-expert security users.
    - ✅ Bundles security features into a single, cohesive firewall experience rather than requiring complex cloud configuration.
  - **Where NextDNS wins:**
    - ❌ Delivers superior customization through granular blocklist management that power users and enterprise clients demand.
    - ❌ Provides transparent, real-time query logging that allows users to audit exactly what traffic is being blocked.
  - **Verdict:** The target app must pivot toward a 'simplified security' UX to differentiate from NextDNS's complex, power-user-centric cloud infrastructure.

### Contenders (Strong Challengers)
- **[1.1.1.1: Faster Internet](https://marlvel.ai/intel-report/utilities/com-cloudflare-1dot1dot1dot1)** by Cloudflare [Moat: High]: Cloudflare's massive infrastructure and 'one-tap' simplicity make it a formidable competitor for the same DNS-resolution audience.
  - Leverages a global, high-speed network infrastructure that prioritizes latency reduction alongside basic DNS-based security filtering.
  - Utilizes a 'one-tap' activation model that eliminates configuration friction for the average mobile user.
- **DNS Cloak: Private DNS Changer** by prosafe ltd [Moat: Low]: A direct niche competitor focused specifically on DNS-based privacy and filtering, mirroring the target app's functional scope.
  - Allows users to import custom DNSCrypt-compatible servers for highly specific, private DNS routing requirements.
  - Focuses exclusively on DNS-level traffic interception without the overhead of broader VPN or password management features.

### Peers (What They Do Better)
- **[VPN 360: Super Fast VPN Proxy](https://marlvel.ai/intel-report/productivity/co-infinitysoft-vpn360)** by Pango GmbH: Operates in the broader productivity and security space, competing for the same 'online protection' search intent.
  - Bundles full-tunnel VPN capabilities which provide broader IP masking than simple DNS-based filtering solutions.
  - Utilizes a high-frequency release cadence to maintain compatibility with the latest mobile OS security protocols.
- **[DuckDuckGo, Duck.ai, & VPN](https://marlvel.ai/intel-report/utilities/com-duckduckgo-mobile-ios)** by DuckDuckGo, Inc.: A major player in the privacy-first browser space that increasingly overlaps with DNS-level protection features.
  - Integrates App Tracking Protection that blocks third-party trackers system-wide, effectively performing DNS-level filtering within a browser.
  - Aggressively ships AI-powered search and privacy features, creating a comprehensive ecosystem that keeps users within their app.

### New Kids on the Block (What's Innovative)
- **[Microsoft Defender: Security](https://marlvel.ai/intel-report/business/com-microsoft-scmx)** by Microsoft Corporation: A significant new entrant leveraging brand trust to capture the mobile security market with frequent updates.

<!-- /section:rivals -->
<!-- section:momentum -->
## App Momentum (Steady) {#momentum}

- Ships stability and performance updates.
- Maintains subscription-first monetization strategy.

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

DNS Firewall by KeepSolid is an established productivity app that is available.
With a 3.84/5 rating from 390 reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** DNS Firewall provides reliable core protection but struggles with subscription friction, so the PM should prioritize a freemium model to capture users currently lost to free alternatives.
<!-- speakable-end -->

**Best for:** Privacy-conscious users seeking to secure multiple devices against phishing, malware, and intrusive web content.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [PIVOT] [HIGH IMPACT] Pivot monetization to freemium because subscription-first prompts are the top complaint → reduce churn — *Sentiment data shows aggressive paywalls are the #1 driver of negative reviews.* _(trade-off: deprioritize Pause the MonoDefense bundle marketing push — conversion rate on the core app is the immediate priority.)_
- [ ] [INVEST] [MEDIUM IMPACT] Ship custom blocklist import because it is the top-requested feature → increase power-user retention — *User requests explicitly cite manual entry inefficiency as a barrier.* _(trade-off: deprioritize Deprioritize the UI refresh — functional utility for power users outweighs aesthetic updates.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- Real-time query logging (available in NextDNS but absent here)
- Cloud-based dashboard for rule management (available in NextDNS but absent here)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Declining

The DNS-filtering market is consolidating around tools that offer transparent, cloud-based auditing, leaving static apps like DNS Firewall exposed. Without a pivot to granular control or a freemium model, the app will continue to lose market share to browser-native tracking protections.

- 🔴 Inconsistent ad-blocking performance leads to user comparisons with free alternatives, which accelerates churn pressure on the subscription base.
- 🔴 The latest updates focus only on stability without addressing feature gaps, which compounds the rating drag on the Android platform.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 3.84/5 |
| Total Reviews | 390 |
| Sentiment | Mixed (45/100) |
| Confidence | High |
| Pricing Model | Subscription |
| Platforms | iOS & Android |
| Key Features | 4 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **DNS Firewall by KeepSolid** (this app) | 3.84/5 | Mixed | KeepSolid Inc. |
| [Microsoft Defender: Security](https://marlvel.ai/intel-report/business/com-microsoft-scmx) | 4.7/5 | Mixed | Microsoft Corporation |
| [DuckDuckGo, Duck.ai, & VPN](https://marlvel.ai/intel-report/utilities/com-duckduckgo-mobile-ios) | 4.8/5 | Excited | DuckDuckGo, Inc. |
| [VPN 360: Super Fast VPN Proxy](https://marlvel.ai/intel-report/productivity/co-infinitysoft-vpn360) | 4.7/5 | Mixed | Pango GmbH |
| [1.1.1.1: Faster Internet](https://marlvel.ai/intel-report/utilities/com-cloudflare-1dot1dot1dot1) | 4.5/5 | Mixed | Cloudflare |
| [NextDNS](https://marlvel.ai/intel-report/utilities/nextdns) | 4.2/5 | N/A | nextdns Inc. |

## Company Profile
- **Developer:** KeepSolid Inc.
- **Website:** [https://www.keepsolid.com/dnsfirewall](https://www.keepsolid.com/dnsfirewall)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/dns-firewall-by-keepsolid/id1553438508?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.keepsolid.dnsfirewall&hl=en&gl=us)
- **Dev Site:** [Official Website](https://www.keepsolid.com/dnsfirewall)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*Microsoft Defender: Security*](https://marlvel.ai/intel-report/business/com-microsoft-scmx) (Microsoft Corporation) — 4.7/5 Rating | Mixed Sentiment
- [*DuckDuckGo, Duck.ai, & VPN*](https://marlvel.ai/intel-report/utilities/com-duckduckgo-mobile-ios) (DuckDuckGo, Inc.) — 4.8/5 Rating | Positive Sentiment
- [*VPN 360: Super Fast VPN Proxy*](https://marlvel.ai/intel-report/productivity/co-infinitysoft-vpn360) (Pango GmbH) — 4.7/5 Rating | Mixed Sentiment
- [*1.1.1.1: Faster Internet*](https://marlvel.ai/intel-report/utilities/com-cloudflare-1dot1dot1dot1) (Cloudflare) — 4.5/5 Rating | Mixed Sentiment
- [*NextDNS*](https://marlvel.ai/intel-report/utilities/nextdns) (nextdns Inc.) — 4.2/5 Rating | N/A Sentiment
- [*Mitsu: AI Life Coach*](https://marlvel.ai/intel-report/productivity/mitsu-ai-life-coach) (C2 Insights) — N/A Rating | Mixed Sentiment
- [*Pattrn - Discipline Tracker*](https://marlvel.ai/intel-report/productivity/pattrn-discipline-tracker) (Pedro Schott) — 4.8/5 Rating | Positive Sentiment
- [*ChatGPT*](https://marlvel.ai/intel-report/productivity/chatgpt) (OpenAI OpCo, LLC) — 4.8/5 Rating | Positive Sentiment
- [*Whats In The Box*](https://marlvel.ai/intel-report/productivity/com-asp-whatsinthebox) (Arron Penfold) — N/A Rating | N/A Sentiment
- [*AI Assistant: Images & Writing*](https://marlvel.ai/intel-report/productivity/ai-assistant-images-writing) (Bickster LLC) — 4.7/5 Rating | Negative Sentiment

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting.
4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.7/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 94
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/productivity/dns-firewall-by-keepsolid)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.