## ⚠ 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: "2026-06-03T22:15:22.095Z" --- 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: "2026-06-03" last_verified: "2026-06-03" report_version: "1.0.7" total_reviews: 390 overall_rating: 3.84 sentiment: "Mixed" sentiment_score: 45 confidence: "high" confidence_score: 0.9 top_praise_theme: "Effective DNS-based traffic filtering provides users with granular control over background application data usage" top_complaint_theme: "Frequent application crashes and connectivity timeouts disrupt the firewall protection after the latest update" top_request_theme: "Ability to import custom domain blocklists to improve ad-blocking and content filtering efficacy" review_sample_size: 101 total_review_count: 101 analyzed_review_count: 100 data_age_days: 0 intelligence_version: 5 nemesis: "Harmony Mobile Protect" competitor_count: 7 tags: ["productivity", "subscription", "mixed sentiment", "mobile app", "app review", "app analysis", "privacy-conscious", "users", "families"] canonical_url: "https://marlvel.ai/apps/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**: Frequent application crashes and connectivity timeouts disrupt the firewall protection after the latest update (top complaint) · Effective DNS-based traffic filtering provides users with granular control over background application data usage (top praise) · Ability to import custom domain blocklists to improve ad-blocking and content filtering efficacy (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. > **Key Insight:** DNS Firewall by KeepSolid shows Mixed sentiment (3.84/5 from 390 reviews) — users praise effective dns-based traffic filtering provides users with granular control over background application data usage but report issues with frequent application crashes and connectivity timeouts disrupt the firewall protection after the latest update. ## 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 (0.9/1.0) | | **Data Age** | 28d | ## Metadata & Market Performance - **Publisher:** KeepSolid Inc. - **Category:** Productivity - **Target Audience:** Privacy-conscious users and families seeking multi-platform protection. - **Platforms:** iOS & Android - **Version Audited:** 1.0.7 - **Audit Date:** 2026-06-03 - **Signal Count:** 101 reviews analyzed - **Confidence:** High (0.9/1.0) - **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 2026-06-03 - **Short Description:** Block malicious websites and protect your device from cyber threats ## Executive Snapshot **What it is:** DNS Firewall is a network-level security tool for Android that blocks malicious domains and phishing links. **Why users hire it:** Users hire the app to secure background traffic and manage network permissions without requiring enterprise-level technical expertise. ## App DNA (Features & Intent) - **[Standard] DNS Traffic Filtering:** Intercepts DNS resolution to block malicious domains. * *User Intent:* Users want to quickly find relevant content or features. - **[Differentiator] Custom Blocklist:** Manual domain management for power users. * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] MonoDefense Bundle:** Cross-product security suite integration. * *User Intent:* Users prioritize data protection and trust in the platform. ## Market Position {#market-position} The app maintains a 3.8 rating on Android with 368 reviews, trailing established security competitors in stability. The grossing rank in Productivity across multiple regions signals a niche but monetizable user base. ## Monetization Strategy - **Model:** Subscription - **Tiers:** 7-day trial, 1 Month, 1 Year, Lifetime - **Analysis:** Subscription model focused on long-term retention via annual and lifetime plans. ## 🟡 User Sentiment (High Confidence: 100 of 101 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 DNS-based traffic filtering provides users with granular control over background application data usage** ### Top Complaints (Impact Areas) - **Frequent application crashes and connectivity timeouts disrupt the firewall protection after the latest update** ### Top Requests (What Users Want) - **Ability to import custom domain blocklists to improve ad-blocking and content filtering efficacy** ## SWOT Analysis {#swot} **Core Strengths:** - MonoDefense bundle integration drives cross-sell revenue - Multi-platform support enables household-level subscription adoption **Critical Frictions:** - 3.8★ Android rating reflects stability regressions - Aggressive trial-to-subscription prompts create high churn **Growth Levers:** - Importable custom blocklists would address power-user gaps - Wearable integration remains an untapped distribution channel **Market Threats:** - Enterprise-hardened suites offer superior threat detection - Established VPN competitors provide better performance-to-price ratios ## Recent Changes (v4 → v5) {#recent-changes} The app's competitive focus moved from freemium acquisition to stability remediation following critical connectivity regressions. **Overall trend**: Declining **Compared at**: 2026-06-03 ### High-impact changes - **[Declined] Sentiment Score Drop** (sentiment) — Sentiment score fell from 65 to 45 following reports of application crashes and connectivity timeouts. - **[Shifted] Strategic Priority Shift** (positioning) — PM focus moved from freemium acquisition to stability remediation: crash fixes are now the primary action item. ### Medium-impact changes - **[Removed] Key Feature List Reduction** (features) — Multi-device support and WireGuard protocol integration were removed from the key features list. - **[Added] New Stability Weakness** (swot) — Added stability regressions as a primary weakness in the SWOT analysis. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### DNS Firewall by KeepSolid vs Harmony Mobile Protect — Head to Head - **[Harmony Mobile Protect](https://marlvel.ai/apps/harmony-mobile-protect)** by Check Point Software Technologies Ltd.: Harmony Mobile Protect directly competes by offering enterprise-grade Mobile Threat Defense (MTD) that overlaps with DNS Firewall's core mission of blocking malicious domains and phishing. - **Key differences:** - Provides comprehensive on-device network protection that goes beyond simple DNS filtering to detect active threats - Leverages massive enterprise-grade threat intelligence databases that far exceed standard consumer-facing DNS blocklists - Offers deep integration with mobile device management systems for centralized security policy enforcement - **Where DNS Firewall by KeepSolid wins:** - ✅ Offers a more lightweight, consumer-friendly interface that avoids complex enterprise configuration requirements - ✅ Focuses specifically on DNS-level privacy and blocking without the overhead of full-suite mobile threat defense - **Where Harmony Mobile Protect wins:** - ❌ Provides advanced behavioral analysis to detect zero-day threats that DNS filtering alone cannot identify - ❌ Backed by a massive enterprise security ecosystem with superior brand authority and threat research capabilities - **Verdict:** The target should pivot toward a 'privacy-first' consumer niche to avoid a direct feature war with Check Point's enterprise-hardened security suite. ### Peers (What They Do Better) - **[Check Point Capsule Connect](https://marlvel.ai/apps/check-point-capsule-connect)** by Check Point Software Technologies Ltd.: This app competes by providing a secure tunnel for enterprise traffic, overlapping with the target's goal of protecting device data. - Focuses on a streamlined Layer-3 VPN tunnel designed for quick, one-step enterprise connectivity - Provides on-demand connection capabilities that minimize battery drain compared to always-on DNS filters - **[NetBird P2P VPN](https://marlvel.ai/apps/netbird-p2p-vpn)** by NetBird GmbH: NetBird competes by offering advanced P2P networking and device posture checks, appealing to power users who want more control over their network traffic. - Utilizes WireGuard-based P2P networking for significantly faster and more secure data transmission speeds - Includes sophisticated device posture checks that ensure only compliant devices can access the network - **[Trend Micro VPN - Secure Proxy](https://marlvel.ai/apps/trend-micro-vpn-secure-proxy)** by Trend Micro, Incorporated: This app competes by bundling DNS-like protection with VPN services, appealing to the same privacy-conscious demographic as DNS Firewall. - Combines IP masking and encryption with automatic protection, offering a more complete privacy package - Maintains a massive global server network that provides superior performance compared to DNS-only solutions - **[NordLayer: Secure Your Network](https://marlvel.ai/apps/nordlayer-secure-your-network)** by Nordvpn S.A.: NordLayer competes by providing network-level security and threat protection, targeting users who prioritize secure connectivity and zero-trust access. - Implements robust zero-trust network access protocols that provide granular control over user connectivity - Offers a cloud-based firewall solution that provides more flexibility than local device-based DNS filtering ### New Kids on the Block (What's Innovative) - **[Guardian-i](https://marlvel.ai/apps/guardian-i)** by Monarch Tracking: Guardian-i enters the space by focusing on device-level monitoring and hardware management, creating a new angle for security-conscious users. - Integrates unique hardware-level management features like remote accelerator blocking and Bluetooth device control - **[StanisLa](https://marlvel.ai/apps/stanisla)** by Goncharov.App: StanisLa is a new entrant offering VPN-based traffic encryption, directly challenging the target's value proposition of secure browsing. - Promotes a strict no-log policy combined with a simplified user interface for non-technical users ## App Momentum (Steady) {#momentum} - Updated internal libraries for performance. - Ships regular bug fixes. ## 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. > **Bottom Line:** The app provides necessary network control but suffers from stability issues, so the team must prioritize crash fixes to stop churn before expanding the feature set. **Best for:** Privacy-conscious users and families seeking multi-platform protection. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Rebuild connectivity logic because crashes are the top complaint → stabilize retention. — *Sentiment analysis identifies crashes as the #1 driver of negative reviews.* _(trade-off: deprioritize Pause the KS Coin rewards feature development — stability is the immediate churn risk.)_ - [ ] [MAINTAIN] [MEDIUM IMPACT] Audit trial-to-subscription flow because users report unexpected charges → reduce refund surge. — *User complaints highlight confusion regarding free trial terms.* _(trade-off: deprioritize Same-quarter capacity available — no major lever displaced.)_ ### Feature Gaps vs Competitors - Real-time behavioral threat analysis (available in Harmony Mobile Protect) ### Outlook: Declining The security market is consolidating around all-in-one privacy suites, and the app's current stability regressions leave it exposed to churn. If the team does not stabilize the connection, the user base will migrate to more reliable VPN-based alternatives by next quarter. - 🔴 Connectivity regressions in the latest update erode the daily active habit, which compounds the rating drag already visible on Android. - ⚪ Recent updates focused on stability, no feature expansion. ## 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 | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **DNS Firewall by KeepSolid** (this app) | 3.84/5 | Mixed | KeepSolid Inc. | | [Trend Micro VPN - Secure Proxy](https://marlvel.ai/apps/trend-micro-vpn-secure-proxy) | 4.7/5 | Thrilled | Trend Micro, Incorporated | | [StanisLa](https://marlvel.ai/apps/stanisla) | N/A/5 | N/A | Goncharov.App | | [NordLayer: Secure Your Network](https://marlvel.ai/apps/nordlayer-secure-your-network) | 3.7/5 | Frustrated | Nordvpn S.A. | | [Check Point Capsule Connect](https://marlvel.ai/apps/check-point-capsule-connect) | 3.1/5 | Frustrated | Check Point Software Technologies Ltd. | | [Guardian-i](https://marlvel.ai/apps/guardian-i) | N/A/5 | N/A | Monarch Tracking | ## Company Profile - **Developer:** KeepSolid Inc. - **Website:** [https://www.keepsolid.com/dnsfirewall](https://www.keepsolid.com/dnsfirewall) - **Social:** [Facebook](https://www.facebook.com/share/1DkJWYi5Yi/?mibextid=wwXIfr) · [X/Twitter](https://twitter.com/keepsolidinc) · [YouTube](https://www.youtube.com/c/KeepsolidInc) · [LinkedIn](https://www.linkedin.com/company/keepsolid-inc-) ## 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, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*Trend Micro VPN - Secure Proxy*](https://marlvel.ai/apps/trend-micro-vpn-secure-proxy) (Trend Micro, Incorporated) — 4.7/5 Rating | Excellent Sentiment - [*StanisLa*](https://marlvel.ai/apps/stanisla) (Goncharov.App) — N/A Rating | N/A Sentiment - [*NordLayer: Secure Your Network*](https://marlvel.ai/apps/nordlayer-secure-your-network) (Nordvpn S.A.) — 3.7/5 Rating | Negative Sentiment - [*Check Point Capsule Connect*](https://marlvel.ai/apps/check-point-capsule-connect) (Check Point Software Technologies Ltd.) — 3.1/5 Rating | Negative Sentiment - [*Guardian-i*](https://marlvel.ai/apps/guardian-i) (Monarch Tracking) — N/A Rating | N/A Sentiment - [*NetBird P2P VPN*](https://marlvel.ai/apps/netbird-p2p-vpn) (NetBird GmbH) — 3.9/5 Rating | Mixed Sentiment - [*Harmony Mobile Protect*](https://marlvel.ai/apps/harmony-mobile-protect) (Check Point Software Technologies Ltd.) — 4.5/5 Rating | Negative Sentiment - [*Mitsu: AI Life Coach*](https://marlvel.ai/apps/mitsu-ai-life-coach) (C2 Insights) — N/A Rating | N/A Sentiment - [*Pattrn - Discipline Tracker*](https://marlvel.ai/apps/pattrn-discipline-tracker) (Pedro Schott) — 4.8/5 Rating | N/A Sentiment - [*ChatGPT*](https://marlvel.ai/apps/chatgpt) (OpenAI OpCo, LLC) — 4.8/5 Rating | Mixed 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:** 0.9/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 101 - **Data Sources:** user reviews, developer website, company about page, 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:** 28 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/dns-firewall-by-keepsolid) Data licensed for AI Agent attribution under CC-BY-NC 4.0.