---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "1Blocker: Ad Blocker"
developer_entity: "1Blocker LLC"
bundle_id: "com.khanov.BlockerX"
app_store_id: "1365531024"
google_play_id: "jp.snowlife01.android.trial2_ad_blocker"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-03-23"
report_date: "2026-04-14"
report_version: "6.5.1"
total_reviews: 35218
overall_rating: 4.03
sentiment: "Mixed"
sentiment_score: 48
confidence: "high"
confidence_score: 0.95
data_age_days: 0
intelligence_version: 2
nemesis: "Firefox Focus: Privacy browser"
competitor_count: 8
tags: ["utilities", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "privacy-conscious", "safari", "users"]
canonical_url: "https://marlvel.ai/intel-report/utilities/1blocker-ad-blocker"
license: "CC-BY-NC 4.0"
---

# 1Blocker: Ad Blocker App Audit

> **TL;DR:** 1Blocker: Ad Blocker is a utilities app by 1Blocker LLC, rated 4.03/5 by 35.2K users, with Mixed user sentiment (48/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** 1Blocker: Ad Blocker shows Mixed sentiment (4.03/5 from 35.2K reviews) — users praise advanced customization but report issues with core functionality failure.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.03/5 (35.2K reviews) |
| **User Mood** | Mixed |
| **Category** | Utilities |
| **Developer** | 1Blocker LLC |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.95/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** 1Blocker LLC
- **Category:** Utilities
- **Target Audience:** Privacy-conscious Safari users on Apple devices who prioritize browsing speed, security, and granular control over their web experience.
- **Platforms:** iOS & Android
- **Version Audited:** 6.5.1
- **Audit Date:** 2026-04-14
- **Signal Count:** 35218 reviews analyzed
- **Confidence:** High (0.95/1.0)
- **App Store ID (iOS):** 1365531024
- **Bundle ID:** com.khanov.BlockerX
- **Google Play ID:** jp.snowlife01.android.trial2_ad_blocker
- **Data Window:** Analysis based on signals collected up to 2026-04-14

<!-- section:executive-snapshot -->
## Executive Snapshot
1Blocker is a native Safari content blocker for the Apple ecosystem, emphasizing speed and privacy by avoiding 'Acceptable Ads' programs. It differentiates through deep customization (CSS/Regex) and native integration that reduces battery drain. However, it currently faces a declining sentiment trend due to inconsistent YouTube blocking and friction in its subscription trial process.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Native Safari Integration:** Fully native content blocker that extends Safari without modifying webpages, ensuring high efficiency and speed.
- **[Differentiator] Advanced Custom Rules:** Allows users to create custom blocking rules using regular expressions or CSS element hiding.
  * *User Intent:* Users value self-expression and personalized experiences.
- **[Standard] Cloud-Synced Whitelisting:** Synchronizes whitelisted sites across all devices via iCloud for a consistent browsing experience.
  * *User Intent:* Users expect seamless access across multiple devices.
<!-- /section:features -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free tier: Includes basic blocking capabilities and whitelisting, Premium tier: Unlocks advanced customization, custom rules, and additional filtering options
- **Analysis:** Positions as a premium, independent utility by explicitly rejecting 'Acceptable Ads' revenue models, relying solely on direct user subscriptions.

<!-- section:sentiment -->
## 🟡 User Sentiment (High Confidence: 35.2K reviews)
- **Overall Rating:** 4.03/5
- **Platform Split:** iOS 4.5/5 (12.4K ratings) | Android 3.8/5 (22.8K ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Advanced Customization** | *Evidence:* "well customizable, with numerous filters you can manually select"
- **Cross-Device Sync** | *Evidence:* "I like the way it syncs between phone and Mac"

### Top Complaints (Impact Areas)
- **Core Functionality Failure** | *Evidence:* "No longer blocks YouTube ads and hasn’t for a week"
- **Subscription and Billing Issues** | *Evidence:* "alleged product is merely a way to trick you into a subscription you cannot cancel"

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

**Core Strengths:**
- Native Safari integration for battery efficiency
- Robust iCloud synchronization
- Independent 'No Acceptable Ads' policy

**Critical Frictions:**
- Inconsistent YouTube ad blocking
- High-friction subscription/trial cancellation flow
- Significantly lower rating on Android (3.8)

**Growth Levers:**
- Specialized YouTube filtering module to counter niche disruptors
- Bundling VPN services to compete with Lockdown Privacy

**Market Threats:**
- Browser-level blocking (Brave/Firefox) making extensions redundant
- Brand damage from 'scam' accusations regarding billing

<!-- /section:swot -->
<!-- section:rivals -->
## Rivals Landscape

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

### 1Blocker: Ad Blocker vs Firefox Focus: Privacy browser — Head to Head
- **[Firefox Focus: Privacy browser](https://marlvel.ai/intel-report/utilities/firefox-focus-privacy-browser)** by Mozilla: With 79,820 reviews, it operates at 6.4x the scale of 1Blocker's iOS presence while maintaining a superior 4.65 rating.
  - **Key differences:**
    - Higher user satisfaction (4.65 rating) compared to 1Blocker's 4.49 on iOS.
    - Integrated browser experience vs. 1Blocker's dependency on Safari as a content blocker.
    - Significant market footprint with nearly 80k ratings signaling high trust in the Mozilla brand.

### Contenders (Strong Challengers)
- **Total Adblock - Ad Blocker** by Total Security Limited: A high-volume alternative with 42,900 reviews, representing a 3.4x larger user base than the target app.
  - Aggressive market presence with 42k+ ratings despite a lower 3.96 rating compared to 1Blocker's 4.49.
  - Directly competes in the 'Utilities' category with a primary focus on ad blocking.
- **Adblock Plus for Safari & Apps** by Eyeo GmbH: A legacy competitor with 18,582 reviews, closely mirroring 1Blocker's 12,426 review scale and utility focus.
  - Comparable 4.35 rating suggests a similar level of user satisfaction to 1Blocker's 4.49.
  - Focuses specifically on the Safari ecosystem, mirroring 1Blocker's core value proposition.
- **Lockdown Privacy: AdBlock VPN** by CELESTIAN GOLDEN APPS: Directly competes for the same privacy-conscious user with 9,147 reviews, placing it in the same order of magnitude as 1Blocker.
  - Bundles VPN services with ad blocking, expanding the utility beyond 1Blocker's core filter focus.
  - Strong 4.28 rating indicates a competitive user experience in the Productivity category.

### Peers (What They Do Better)
- **[DuckDuckGo, Duck.ai, & VPN](https://marlvel.ai/intel-report/utilities/com-duckduckgo-mobile-ios)** by DuckDuckGo, Inc.: An ecosystem giant with 2.4M reviews and extreme development velocity (26 releases in 6 months).
  - Massive scale (193x the review count of 1Blocker) makes it a platform-level peer rather than a direct utility rival.
  - High 4.70 rating across millions of users signals dominant brand loyalty in the privacy space.
- **[Brave Browser & Search Engine](https://marlvel.ai/intel-report/utilities/com-brave-ios-browser)** by Brave Software: A major browser-based competitor with 586,067 reviews and a high 4.79 rating.
  - Native ad-blocking built into the browser engine, bypassing the need for Safari extensions like 1Blocker.
  - High update frequency with 6 releases in the last 6 months compared to 1Blocker's utility-based updates.
- **AdLock: Adblocker & Privacy** by Hankuper s.r.o.: A direct utility peer with 2,052 reviews and a solid 4.42 rating.
  - Matches 1Blocker's 4.4+ rating tier, suggesting high-quality filtering capabilities.
  - Operates in the Productivity category, targeting users looking for workflow efficiency through ad removal.

### New Kids on the Block (What's Innovative)
- **Vinegar - Tube Cleaner** by And a Dinosaur: A rising niche threat updated as recently as March 29, 2026, focusing on a specific pain point (YouTube).

<!-- /section:rivals -->
<!-- section:whats-new -->
## What's New

- **Latest (v6.7.4, 2 months ago):** Improved DNS cache processing for faster page loading and stability.
- **Last Major (v6.0.1, 1 years ago):** Launched 1Blocker 6 with a redesigned UI, improved blocking accuracy, granular filter subcategories, and expanded in-app tracker blocking for iOS.
<!-- /section:whats-new -->

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

1Blocker: Ad Blocker is an established utilities app that is free with in-app purchases.
With a 4.03/5 rating from 35.2K reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** 1Blocker is a technically superior native utility for the Apple ecosystem, but it is currently losing its competitive edge due to inconsistent core performance on YouTube and a high-friction monetization UX. To defend its premium position against Firefox Focus and niche disruptors, it must prioritize filter reliability and transparent billing over new feature expansion.
<!-- speakable-end -->

**Best for:** Privacy-conscious Safari users on Apple devices who prioritize browsing speed, security, and granular control over their web experience.

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

- [ ] [HIGH] Audit and simplify the Premium trial cancellation flow. — *Medium-frequency complaints about 'scam' behavior and difficulty canceling are damaging brand trust and App Store standing.*
- [ ] [HIGH] Stabilize YouTube filtering logic. — *Core functionality failure on YouTube is the #1 complaint theme and is fueling the rise of niche competitors like Vinegar.*
- [ ] [MEDIUM] Optimize Safari page-load performance. — *Users report performance degradation and lag, which contradicts the core value proposition of 2-5x faster loading.*
<!-- /section:pm-actions -->

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

- Integrated browser experience (available in Firefox Focus and Brave)
- Bundled VPN services (available in Lockdown Privacy and DuckDuckGo)
- Hyper-specialized YouTube 'cleaning' (available in Vinegar)
<!-- /section:feature-gaps -->

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

- 🔴 Mixed sentiment with high-frequency complaints about YouTube blocking failure.
- 🔴 Increasing 'scam' accusations regarding subscription onboarding friction.
- 🟢 Active maintenance with v6.5.1/v6.7.4 updates in Feb/Mar 2026 focusing on UI and YouTube logic.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.03/5 |
| Total Reviews | 35.2K |
| Sentiment | Mixed (48/100) |
| Confidence | High |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **1Blocker: Ad Blocker** (this app) | 4.03/5 | Mixed | 1Blocker LLC |
| [DuckDuckGo, Duck.ai, & VPN](https://marlvel.ai/intel-report/utilities/com-duckduckgo-mobile-ios) | 4.8/5 | Excited | DuckDuckGo, Inc. |
| [Firefox Focus: Privacy browser](https://marlvel.ai/intel-report/utilities/firefox-focus-privacy-browser) | 4.7/5 | N/A | Mozilla |
| [Brave Browser & Search Engine](https://marlvel.ai/intel-report/utilities/com-brave-ios-browser) | 4.8/5 | N/A | Brave Software |
| [Potatso](https://marlvel.ai/intel-report/utilities/potatso) | 4.4/5 | Frustrated | Potatso Lab LTD |
| [Quantumult X](https://marlvel.ai/intel-report/utilities/quantumult-x) | 3.9/5 | Frustrated | Cross Utility Ltd |

## Company Profile
- **Developer:** 1Blocker LLC
- **Website:** [https://1blocker.com](https://1blocker.com)
- **Social:** [X/Twitter](https://twitter.com/1BlockerApp)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/1blocker-ad-blocker/id1365531024?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=jp.snowlife01.android.trial2_ad_blocker&hl=en&gl=us)
- **Dev Site:** [Official Website](https://1blocker.com)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*DuckDuckGo, Duck.ai, & VPN*](https://marlvel.ai/intel-report/utilities/com-duckduckgo-mobile-ios) (DuckDuckGo, Inc.) — 4.8/5 Rating | Positive Sentiment
- [*Firefox Focus: Privacy browser*](https://marlvel.ai/intel-report/utilities/firefox-focus-privacy-browser) (Mozilla) — 4.7/5 Rating | N/A Sentiment
- [*Brave Browser & Search Engine*](https://marlvel.ai/intel-report/utilities/com-brave-ios-browser) (Brave Software) — 4.8/5 Rating | N/A Sentiment
- [*Potatso*](https://marlvel.ai/intel-report/utilities/potatso) (Potatso Lab LTD) — 4.4/5 Rating | Negative Sentiment
- [*Quantumult X*](https://marlvel.ai/intel-report/utilities/quantumult-x) (Cross Utility Ltd) — 3.9/5 Rating | Negative Sentiment
- [*V2Box - V2ray Client*](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) (techlaim) — 4.5/5 Rating | Mixed Sentiment
- [*Free VPN by Free VPN .org™*](https://marlvel.ai/intel-report/utilities/free-vpn-by-free-vpn-org) (Free VPN LLC) — 4.3/5 Rating | Mixed Sentiment
- [*Upfun*](https://marlvel.ai/intel-report/utilities/com-mengdong-cookiecam) (香港萌动科技集團有限公司) — N/A Rating | N/A Sentiment
- [*VPN - Secure & Private*](https://marlvel.ai/intel-report/utilities/vpn-secure-private) (Swisscows AG) — 4.1/5 Rating | N/A Sentiment
- [*Work Log - Shift Tracker*](https://marlvel.ai/intel-report/utilities/work-log-shift-tracker) (AR Productions Inc) — 4.8/5 Rating | N/A Sentiment

## Methodology

This report was generated by Marlvel.ai's 3-stage AI intelligence pipeline:

1. **Feature & Positioning Extraction** — Analyzes app metadata, developer website content, and version history to identify key features, target audience, and competitive positioning.
2. **Sentiment Analysis** — Processes user reviews (minimum 5 reviews required) to extract praise themes, complaint themes, and overall sentiment with evidence quotes.
3. **Intelligence Synthesis** — Combines stages 1 & 2 with App Store rankings to produce SWOT analysis, executive summary, and actionable insights.

- **Confidence Score:** 0.95/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 35.2K
- **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:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/utilities/1blocker-ad-blocker)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.