---
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: "2026-07-30"
last_verified: "2026-07-30T00:00:00.000Z"
report_version: "6.7.4"
total_reviews: 35270
overall_rating: 4
sentiment: "Frustrated"
sentiment_score: 35
confidence: "high"
confidence_score: 0.8
top_praise_theme: "Cross-platform synchronization of custom ad-blocking rules between mobile and desktop devices provides a consistent experience"
top_complaint_theme: "Persistent failure to block YouTube and in-game advertisements across multiple platforms frustrates users seeking a clean experience"
review_sample_size: 99
total_review_count: 99
analyzed_review_count: 99
data_age_days: 17
momentum_velocity: "maintenance"
intelligence_version: 3
nemesis: "Firefox Focus: Privacy browser"
competitor_count: 8
tags: ["utilities", "freemium", "frustrated sentiment", "mobile app", "app review", "app analysis", "safari", "users", "apple"]
canonical_url: "https://marlvel.ai/apps/1blocker-ad-blocker"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# 1Blocker: Ad Blocker Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Freemium
- **Signal**: Rating 4.03 · Sentiment Frustrated
- **Recent focus**: Persistent failure to block YouTube and in-game advertisements across multiple platforms frustrates users seeking a clean experience (top complaint) · Cross-platform synchronization of custom ad-blocking rules between mobile and desktop devices provides a consistent experience (top praise)

> **TL;DR:** 1Blocker: Ad Blocker is a utilities app by 1Blocker LLC, rated 4.03/5 by 35.3K users, with Frustrated user sentiment (35/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** 1Blocker: Ad Blocker faces Frustrated user sentiment (4.03/5 from 35.3K reviews), with users reporting persistent failure to block youtube and in-game advertisements across multiple platforms frustrates users seeking a clean experience as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.03/5 (35.3K reviews) |
| **User Mood** | Frustrated |
| **Category** | Utilities |
| **Developer** | 1Blocker LLC |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.8/1.0) |
| **Data Age** | 17d |

## Metadata & Market Performance
- **Publisher:** 1Blocker LLC
- **Category:** Utilities
- **Target Audience:** Safari users on Apple devices who prioritize privacy, faster page loading, and control over their browsing environment.
- **Platforms:** iOS & Android
- **Version Reviewed:** 6.5.1
- **Report Date:** 2026-07-30
- **Signal Count:** 99 reviews analyzed
- **Confidence:** High (0.8/1.0)
- **App Store ID (iOS):** 1365531024
- **Bundle ID:** com.khanov.BlockerX
- **Google Play ID:** jp.snowlife01.android.trial2_ad_blocker
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-07-30
- **Short Description:** Smart and comfortable browsing experience.

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** 1Blocker is a native Safari content-blocking utility for iOS, iPadOS, and macOS that filters ads and trackers.
**Why users hire it:** It removes the cognitive and performance friction of intrusive web ads, serving users who prioritize browser speed and privacy over ad-supported content.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Safari Content Blocking:** Native integration with Safari to block ads, trackers, and annoying elements via content-blocking rules
  * *User Intent:* Users want visibility into their own performance and progress.
- **[Differentiator] Custom Rule Creation:** Allows users to define custom blocking rules using regular expressions or CSS selectors
  * *User Intent:* Users value self-expression and personalized experiences.
- **[Differentiator] iCloud Sync:** Synchronizes custom rules and whitelists across iPhone, iPad, and Mac devices
  * *User Intent:* Users value self-expression and personalized experiences.
<!-- /section:features -->

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

1Blocker holds a 4.49 rating on iOS, but the 128-day update gap leaves it vulnerable to rivals that update more frequently to counter YouTube's ad-injection. The current maintenance cadence risks ceding the privacy-utility space to more aggressive competitors.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free tier with limited category blocking, Premium tier with advanced customization and full rule access
- **Analysis:** Freemium model gates advanced customization and specific filter categories behind a one-time or subscription purchase to sustain independent development.

<!-- section:sentiment -->
## 🔴 User Sentiment (High Confidence: 99 of 99 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.03/5
- **Platform Split:** iOS 4.5/5 (12.4K ratings) | Android 3.8/5 (22.8K ratings)
- **Overall Sentiment:** Frustrated
- **Note:** The 4.03/5 store rating reflects cumulative history, while the Frustrated sentiment reflects recent user reviews analyzed by our AI pipeline.

### Top Praises
- **Cross-platform synchronization of custom ad-blocking rules between mobile and desktop devices provides a consistent experience**
- **Granular control over specific filter categories allows users to manually select which domains are blocked**
- **Responsive indie developer engagement with user feedback creates a sense of community and genuine care**

### Top Complaints (Impact Areas)

- **Persistent failure to block YouTube and in-game advertisements across multiple platforms frustrates users seeking a clean experience**

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

**Core Strengths:**
- Native Safari integration avoids script-injection performance overhead
- iCloud-synced custom rules create high switching costs for Apple users
- Granular filter control enables power-user customization

**Growth Levers:**
- Implement light mode to address accessibility requests
- Refine subscription cancellation flow to mitigate exploitation accusations
- Expand filter categories to address emerging in-game ad formats


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

1Blocker's competitive position has declined due to a 128-day update gap and persistent failures to counter YouTube's ad-injection, resulting in a shift from mixed to negative user sentiment.

**Overall trend**: Declining
**Compared at**: 2026-07-30

### High-impact changes
- **[Declined] Sentiment Score Drop** (sentiment)
- **[Declined] Update Cadence Slowdown** (positioning)

### Medium-impact changes
- **[Added] Performance Regression Complaints** (sentiment)
- **[Added] YouTube Ad-Injection Threat** (swot)

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

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

### 1Blocker: Ad Blocker vs Firefox Focus: Privacy browser - Top Rival
- **[Firefox Focus: Privacy browser](https://marlvel.ai/apps/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](https://marlvel.ai/apps/total-adblock-ad-blocker)** by Total Security Limited: A high-volume alternative with 42,900 reviews, representing a 3.4x larger user base than this 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](https://marlvel.ai/apps/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](https://marlvel.ai/apps/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/apps/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/apps/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](https://marlvel.ai/apps/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](https://marlvel.ai/apps/com-andadinosaur-vinegar)** 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, 5 months ago):** Optimized DNS cache processing to improve page load speeds and overall stability.
- **Last Major (v6.0.1, 1 years ago):** 1Blocker 6 introduces a redesigned interface, granular filter subcategories, and expanded in-app tracker blocking for iOS.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Ships ~3 releases per year.
- Last major update 128 days ago.
- Optimized DNS cache processing recently.

> **Cadence:** 10 total versions · 0 majors in last 6 months · 128 days since last update · 18 days avg between updates

<!-- /section:momentum -->

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

1Blocker: Ad Blocker is an utilities app that is free with in-app purchases.
With a 4.03/5 rating from 35.3K reviews, it faces significant user friction.

<!-- speakable-start -->
> **Bottom Line:** 1Blocker's native Safari integration remains a strong retention lever, but the failure to address YouTube ad-injection is actively eroding the user base. Prioritizing stability and billing transparency will mitigate the churn currently driving the negative sentiment trend.
<!-- speakable-end -->

**Best for:** Safari users on Apple devices who prioritize privacy, faster page loading, and control over their browsing environment.

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

- [ ] [PIVOT] Audit subscription cancellation flow because users report difficulty canceling trials → reduce financial exploitation complaints
<!-- /section:pm-actions -->

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


- Real-time YouTube ad-injection countermeasures (available in AdGuard but missing here)
<!-- /section:feature-gaps -->

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

The ad-blocking market is consolidating around tools that can rapidly counter server-side ad injection, leaving 1Blocker's static filter approach increasingly exposed. Without a shift to a more responsive update cadence, the app risks losing its position as a primary Safari utility to more agile competitors.

- 🔴 Persistent YouTube ad-blocking failures lead to increased churn, which compounds the negative sentiment already visible in recent reviews.
- 🔴 Subscription cancellation friction drives accusations of financial exploitation, damaging the independent developer brand reputation.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.03/5 |
| Total Reviews | 35.3K |
| Sentiment | Frustrated (35/100) |
| Confidence | High |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **1Blocker: Ad Blocker** (this app) | 4.03/5 | Frustrated | 1Blocker LLC |
| [DuckDuckGo, Duck.ai, & VPN](https://marlvel.ai/apps/com-duckduckgo-mobile-ios) | 4.8/5 | Excited | DuckDuckGo, Inc. |
| [Vinegar - Tube Cleaner](https://marlvel.ai/apps/com-andadinosaur-vinegar) | 4.3/5 | N/A | And a Dinosaur |
| [Lockdown Privacy: AdBlock VPN](https://marlvel.ai/apps/lockdown-privacy-adblock-vpn) | 4.3/5 | N/A | CELESTIAN GOLDEN APPS |
| [Firefox Focus: Privacy browser](https://marlvel.ai/apps/firefox-focus-privacy-browser) | 4.7/5 | N/A | Mozilla |
| [AdLock: Adblocker & Privacy](https://marlvel.ai/apps/adlock-adblocker-privacy) | 4.4/5 | N/A | Hankuper s.r.o. |

## 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/apps/com-duckduckgo-mobile-ios) (DuckDuckGo, Inc.) · 4.8/5 Rating | Positive Sentiment
- [*Vinegar - Tube Cleaner*](https://marlvel.ai/apps/com-andadinosaur-vinegar) (And a Dinosaur) · 4.3/5 Rating
- [*Lockdown Privacy: AdBlock VPN*](https://marlvel.ai/apps/lockdown-privacy-adblock-vpn) (CELESTIAN GOLDEN APPS) · 4.3/5 Rating
- [*Firefox Focus: Privacy browser*](https://marlvel.ai/apps/firefox-focus-privacy-browser) (Mozilla) · 4.7/5 Rating
- [*AdLock: Adblocker & Privacy*](https://marlvel.ai/apps/adlock-adblocker-privacy) (Hankuper s.r.o.) · 4.4/5 Rating
- [*Total Adblock - Ad Blocker*](https://marlvel.ai/apps/total-adblock-ad-blocker) (Total Security Limited) · 4.0/5 Rating
- [*Adblock Plus for Safari & Apps*](https://marlvel.ai/apps/adblock-plus-for-safari-apps) (Eyeo GmbH) · 4.4/5 Rating
- [*Brave Browser & Search Engine*](https://marlvel.ai/apps/com-brave-ios-browser) (Brave Software) · 4.8/5 Rating | Positive Sentiment
- [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating
- [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating

## Frequently Asked Questions {#faq}

### Is 1Blocker effective for blocking YouTube ads?

Recent user reviews report that 1Blocker struggles to block YouTube advertisements, with many users noting that ads continue to appear despite recent updates.

### How does 1Blocker compare to AdGuard?

While both offer ad-blocking, AdGuard typically maintains a more frequent update cadence to address evolving ad-injection techniques, whereas 1Blocker focuses on a native, lightweight Safari experience.

### Is there a free version of 1Blocker?

Yes, 1Blocker offers a free tier that allows users to enable one category of blocking, such as ads or trackers, with advanced customization gated behind a premium purchase.

### What are some alternatives to 1Blocker?

Users seeking alternatives for Safari ad-blocking often consider AdGuard or Wipr, which also offer native Safari integration and varying levels of filter customization.

## 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 into synthesised themes (no verbatim quotes).
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:** 0.8/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 99
- **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:** 17 days since last refresh

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