--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Robokiller: Spam Call Blocker" developer_entity: "Mosaic S.r.l." bundle_id: "co.robokiller.app" app_store_id: "1022831885" category: "Utilities" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-04-29" report_date: "2026-05-05" report_version: "24.7.54" total_reviews: 413212 overall_rating: 4.51 sentiment: "Frustrated" sentiment_score: 25 confidence: "high" confidence_score: 0.8 top_praise_theme: "Automated answer bots provide significant satisfaction by wasting time for telemarketers and scammers" top_complaint_theme: "Inconsistent call screening performance post-update leaves many users exposed to persistent spam calls" top_request_theme: "Granular control over blocking specific area codes to improve filtering precision for regional spam" review_sample_size: 98 total_review_count: 98 analyzed_review_count: 98 data_age_days: 12 momentum_velocity: "active" intelligence_version: 3 nemesis: "Hiya: Spam Blocker & Caller ID" competitor_count: 5 tags: ["utilities", "subscription", "frustrated sentiment", "mobile app", "app review", "app analysis", "mobile", "users", "seeking"] canonical_url: "https://marlvel.ai/intel-report/utilities/co-robokiller-app" license: "CC-BY-NC 4.0" content_version: "v2" last_verified: "2026-05-05T05:43:28.221Z" --- # Robokiller: Spam Call Blocker App Audit ## TL;DR {#tldr} - **Category**: Utilities · Subscription - **Signal**: Rating 4.51 · Sentiment Frustrated - **Recent focus**: Inconsistent call screening performance post-update leaves many users exposed to persistent spam calls (top complaint) · Automated answer bots provide significant satisfaction by wasting time for telemarketers and scammers (top praise) · Granular control over blocking specific area codes to improve filtering precision for regional spam (top request) > **TL;DR:** Robokiller: Spam Call Blocker is a utilities app by Mosaic S.r.l., rated 4.51/5 by 413.2K users, with Frustrated user sentiment (25/100), available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Robokiller: Spam Call Blocker faces Frustrated user sentiment (4.51/5 from 413.2K reviews), with inconsistent call screening performance post-update leaves many users exposed to persistent spam calls as the primary user concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.51/5 (413.2K reviews) | | **User Mood** | Frustrated | | **Category** | Utilities | | **Developer** | Mosaic S.r.l. | | **Pricing** | Subscription | | **Platforms** | iOS | | **Confidence** | High (0.8/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** Mosaic S.r.l. - **Category:** Utilities - **Target Audience:** Mobile users seeking to eliminate spam calls and text messages while protecting their personal data from public exposure. - **Platforms:** iOS - **Version Audited:** 24.7.54 - **Audit Date:** 2026-05-05 - **Signal Count:** 98 reviews analyzed - **Confidence:** High (0.8/1.0) - **App Store ID (iOS):** 1022831885 - **Bundle ID:** co.robokiller.app - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-05-05 ## Executive Snapshot **What it is:** Robokiller is a spam call and text blocking app for iOS that uses audio fingerprinting and automated bots to intercept unwanted communications. **Why users hire it:** Users hire Robokiller to reclaim personal time and gain a sense of control over intrusive telemarketing, using the revenge-bot feature to turn a negative experience into a source of entertainment. ## App DNA (Features & Intent) - **[Differentiator] Predictive Call Blocking:** AI-powered audio fingerprinting analyzes unrecognized calls to prevent phone ringing * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Answer Bots:** Automated recorded responses that engage and waste the time of identified spammers - **[Differentiator] Personal Data Protection:** Scans public search sites to identify and request removal of user private information * *User Intent:* Users want to quickly find relevant content or features. ## Market Position {#market-position} Robokiller holds the #11 Grossing position in the US Utilities category. The gap between its high-utility branding and recent technical regressions suggests that current chart performance is sustained by legacy brand trust rather than current filtering efficacy. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Free to download, Subscription required for service access - **Analysis:** Subscription-only model requires payment for all core functionality, anchored by the promise of preventing financial loss. ## 🔴 User Sentiment (High Confidence: 98 of 98 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.51/5 - **Platform Split:** iOS 4.5/5 (413.2K ratings) - **Overall Sentiment:** Frustrated - **Note:** The 4.51/5 store rating reflects cumulative history, while the Frustrated sentiment reflects recent user reviews analyzed by our AI pipeline. ### Top Praises - **Automated answer bots provide significant satisfaction by wasting time for telemarketers and scammers** - **Effective filtering of spam calls and text messages provides a sense of daily peace** ### Top Complaints (Impact Areas) - **Inconsistent call screening performance post-update leaves many users exposed to persistent spam calls** - **Deceptive pricing practices and lack of transparent refund policies frustrate long-term subscribers** ### Top Requests (What Users Want) - **Granular control over blocking specific area codes to improve filtering precision for regional spam** ## SWOT Analysis {#swot} **Core Strengths:** - Answer Bots create viral social sharing loops - Audio fingerprinting provides proactive defense against automated spam **Critical Frictions:** - Premium tier pricing above category median - Lack of human-led support for technical setup **Growth Levers:** - B2B partnerships for data protection - Expansion of regional area-code blocking controls **Market Threats:** - Hiya’s carrier-grade database dominance - EU data-minimization tightening ## Recent Changes (v2 → v3) {#recent-changes} The app is experiencing a decline in core filtering reliability post-update, resulting in increased user frustration regarding billing and persistent spam. **Overall trend**: Declining **Compared at**: 2026-05-05 ### High-impact changes - **[Declined] Sentiment Score Reduction** (sentiment) — Sentiment score decreased from 28 to 25, reflecting increased user frustration with filtering efficacy. - **[Shifted] Executive Summary Tone** (positioning) — Narrative shifted from 'strong player' to 'high-friction' and 'churn risk' due to technical regressions. ### Medium-impact changes - **[Added] New Billing Complaint Theme** (sentiment) — Users report deceptive pricing and inability to secure refunds, a theme absent in the previous report. - **[Removed] Feature List Consolidation** (features) — Spam Text Blocking and Global Spam Radar were removed from the key features list. - **[Added] Area-Code Blocking Request** (sentiment) — Users now request granular area-code blocking to compensate for failed automated filtering. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Robokiller: Spam Call Blocker vs Hiya: Spam Blocker & Caller ID — Head to Head - **[Hiya: Spam Blocker & Caller ID](https://marlvel.ai/intel-report/utilities/hiya-spam-blocker-caller-id)** by Hiya: Hiya operates in the exact same spam-blocking niche with a massive, established caller-ID database that directly competes with Robokiller's core value proposition. - **Moat strength:** Medium — durable but contestable - **Key differences:** - Leverages a massive carrier-grade database that powers native integration for major global mobile network operators. - Focuses on enterprise-grade caller identity verification rather than just consumer-facing spam call blocking features. - Provides a more neutral, utility-focused interface compared to Robokiller's aggressive, gamified 'spam-fighting' branding. - **Where Robokiller: Spam Call Blocker wins:** - ✅ Patented audio fingerprinting technology provides a more proactive defense against evolving automated spam call patterns. - ✅ Gamified user experience and aggressive marketing create higher emotional engagement with the spam-blocking process. - **Where Hiya: Spam Blocker & Caller ID wins:** - ❌ Deep integration with global carrier networks provides superior caller identification accuracy before the phone even rings. - ❌ Enterprise-grade reputation management tools offer a more professional utility for users concerned with business identity. - **Verdict:** Robokiller must double down on its unique audio-fingerprinting innovation to differentiate from Hiya's carrier-backed, utility-first infrastructure dominance. ### Contenders (Strong Challengers) - **[Getcontact](https://marlvel.ai/intel-report/utilities/com-kontakt-getcontact)** by GETVERIFY LDA [Moat: High]: A massive competitor in the caller ID and spam protection space with a highly active user base and frequent release cadence. - Utilizes a massive crowdsourced database where users tag and identify unknown numbers for the community. - Integrates social-style features like 'tagging' numbers, which creates a powerful, self-sustaining data network effect. ### Peers (What They Do Better) - **[Norton 360 Security & VPN](https://marlvel.ai/intel-report/utilities/com-symantec-mobilesecurity)** by Gen Digital Inc.: An adjacent security utility that bundles spam protection within a broader, comprehensive mobile security suite. - Bundles spam protection with VPN, Wi-Fi security, and dark web monitoring for a holistic security posture. - Targets users seeking an all-in-one security solution rather than a single-purpose spam-blocking application. - **[NordVPN: VPN Fast & Secure](https://marlvel.ai/intel-report/utilities/com-nordvpn-nordvpn)** by Nordvpn S.A.: A high-authority utility app that competes for the same 'privacy and security' mindshare as Robokiller. - Focuses on network-level privacy and encryption rather than device-level call filtering or spam management. - Maintains a massive, high-trust brand presence in the privacy-conscious consumer market segment. - **[DuckDuckGo, Duck.ai, & VPN](https://marlvel.ai/intel-report/utilities/com-duckduckgo-mobile-ios)** by DuckDuckGo, Inc.: A privacy-first utility that captures the same 'protection' audience, though focused on browsing rather than telephony. - Provides an all-in-one privacy browser that blocks trackers and ads, positioning itself as a total privacy shield. - Leverages a strong, values-based brand identity that prioritizes user anonymity over specific feature-based utility. ## What's New - **Latest (v24.7.54, 5 days ago):** General bug fixes and stability improvements for spam call blocking. ## App Momentum (Active) {#momentum} - Shipped personal data protection feature. - Launched local scam trend Radar. > **Cadence:** 5 total versions · 0 majors in last 6 months · 5 days since last update · 10 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Robokiller: Spam Call Blocker is a challenged utilities app that is available. With a 4.51/5 rating from 413.2K reviews, it faces significant user friction. > **Bottom Line:** Robokiller wins through viral Answer Bot branding, but its core filtering reliability is failing, so the PM must prioritize detection accuracy and human support to prevent long-term subscriber churn. **Best for:** Mobile users seeking to eliminate spam calls and text messages while protecting their personal data from public exposure. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] [HIGH IMPACT] Audit filtering logic in the latest release because screening performance is the top complaint → restore detection reliability — *Inconsistent call screening is the primary driver of negative sentiment post-update.* _(trade-off: deprioritize Pause the development of new Answer Bot recordings — detection reliability has 3x the churn impact.)_ - [ ] [INVEST] [HIGH IMPACT] Implement human-led support channels because automated loops prevent resolution of account issues → reduce refund surge — *Subscribers report inability to resolve billing and setup issues, leading to refund frustration.* _(trade-off: deprioritize Deprioritize the Radar feature expansion — billing transparency is critical for subscription retention.)_ ### Feature Gaps vs Competitors - Carrier-grade caller identification (available in Hiya but absent here) ### Outlook: Declining The spam-blocking market is shifting toward carrier-integrated solutions that offer higher identification accuracy than device-level fingerprinting. Robokiller's reliance on proprietary detection leaves it exposed to these infrastructure-backed rivals, so the PM must focus on service reliability to maintain its current grossing rank. - 🔴 Inconsistent filtering in the latest release leads to persistent spam, which erodes user trust and accelerates churn. - 🔴 Automated support loops prevent resolution of billing issues, causing a surge in refund requests and negative sentiment. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.51/5 | | Total Reviews | 413.2K | | Sentiment | Frustrated (25/100) | | Confidence | High | | Pricing Model | Subscription | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Robokiller: Spam Call Blocker** (this app) | 4.51/5 | Frustrated | Mosaic S.r.l. | | [NordVPN: VPN Fast & Secure](https://marlvel.ai/intel-report/utilities/com-nordvpn-nordvpn) | 4.7/5 | N/A | Nordvpn S.A. | | [Norton 360 Security & VPN](https://marlvel.ai/intel-report/utilities/com-symantec-mobilesecurity) | 4.7/5 | Mixed | Gen Digital Inc. | | [DuckDuckGo, Duck.ai, & VPN](https://marlvel.ai/intel-report/utilities/com-duckduckgo-mobile-ios) | 4.8/5 | Excited | DuckDuckGo, Inc. | | [Getcontact](https://marlvel.ai/intel-report/utilities/com-kontakt-getcontact) | 4.4/5 | Upset | GETVERIFY LDA | | [Hiya: Spam Blocker & Caller ID](https://marlvel.ai/intel-report/utilities/hiya-spam-blocker-caller-id) | 4.5/5 | N/A | Hiya | ## Company Profile - **Developer:** Mosaic S.r.l. - **Website:** [https://www.robokiller.com](https://www.robokiller.com) - **Social:** [Instagram](https://instagram.com/bendingspoons) · [Facebook](https://facebook.com/bendingspoons) · [X/Twitter](https://twitter.com/bendingspoons) · [YouTube](https://www.youtube.com/watch) · [LinkedIn](https://linkedin.com/company/bendingspoons) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/robokiller-spam-call-blocker/id1022831885?uo=2) - **Dev Site:** [Official Website](https://www.robokiller.com) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/intel-report/utilities/com-nordvpn-nordvpn) (Nordvpn S.A.) — 4.7/5 Rating | N/A Sentiment - [*Norton 360 Security & VPN*](https://marlvel.ai/intel-report/utilities/com-symantec-mobilesecurity) (Gen Digital Inc.) — 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 - [*Getcontact*](https://marlvel.ai/intel-report/utilities/com-kontakt-getcontact) (GETVERIFY LDA) — 4.4/5 Rating | Terrible Sentiment - [*Hiya: Spam Blocker & Caller ID*](https://marlvel.ai/intel-report/utilities/hiya-spam-blocker-caller-id) (Hiya) — 4.5/5 Rating | N/A 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 - [*Quantumult X*](https://marlvel.ai/intel-report/utilities/quantumult-x) (Cross Utility Ltd) — 3.9/5 Rating | Negative Sentiment - [*Potatso*](https://marlvel.ai/intel-report/utilities/potatso) (Potatso Lab LTD) — 4.4/5 Rating | Negative Sentiment - [*V2Box - V2ray Client*](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) (techlaim) — 4.5/5 Rating | Mixed Sentiment - [*Rizz AI Chat Coach: Grizzly AI*](https://marlvel.ai/intel-report/utilities/grizzly-ai-gen-z-message-coach) (Tetiana Oliinyk) — 4.7/5 Rating | N/A 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:** 0.8/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 98 - **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/co-robokiller-app) Data licensed for AI Agent attribution under CC-BY-NC 4.0.