--- 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" last_verified: "2026-05-05T00:00:00.000Z" report_version: "24.7.54" total_reviews: 413212 overall_rating: 4.5 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" review_sample_size: 98 total_review_count: 98 analyzed_review_count: 98 data_age_days: 103 momentum_velocity: "active" intelligence_version: 1 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/apps/co-robokiller-app" license: "CC-BY-NC 4.0" content_version: "v2" --- # Robokiller: Spam Call Blocker Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Subscription - **Signal**: Rating 4.51 · Sentiment Frustrated - **Recent focus**: Users report: 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) > **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 users reporting inconsistent call screening performance post-update leaves many users exposed to persistent spam calls as the primary 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** | 103d | ## 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 Reviewed:** 24.7.54 - **Report 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) - **Users report: Inconsistent call screening performance post-update leaves many users exposed to persistent spam calls** ## SWOT Analysis {#swot} **Core Strengths:** - Answer Bots create viral social sharing loops - Audio fingerprinting provides proactive defense against automated spam **Growth Levers:** - B2B partnerships for data protection - Expansion of regional area-code blocking controls ## 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) - **[Shifted] Executive Summary Tone** (positioning) ### Medium-impact changes - **[Added] New Billing Complaint Theme** (sentiment) - **[Removed] Feature List Consolidation** (features) - **[Added] Area-Code Blocking Request** (sentiment) ## 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 - **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. - **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. ### Contenders (Strong Challengers) - **Getcontact** by GETVERIFY LDA: 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** 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** 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** 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 utilities app. With a 4.51/5 rating from 413.2K reviews, it draws more critical themes in recent reviews than its store average suggests. > **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] Audit filtering logic in the latest release because screening performance is the top complaint → restore detection reliability ### 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. | | [SpecterSense](https://marlvel.ai/apps/com-spectersense) | 5.0/5 | N/A | Alex Dobson | | [DFCleanup-AI Cleaner Storage](https://marlvel.ai/apps/wfg-smart-gallery) | 4.0/5 | Mixed | 飞 杜 | | [Stardew Save Editor](https://marlvel.ai/apps/com-stardewsaveeditor) | 3.9/5 | Mixed | Chad Smith | | [Connect TV Remote](https://marlvel.ai/apps/com-universaltvremoteapp-app) | 4.3/5 | n/a | East End Technologies Ltd. | | [Free VPN – Fast & Secure Proxy](https://marlvel.ai/apps/com-freevpnapp-freevpn) | 4.7/5 | n/a | Free VPN LTD (Apps) | ## 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 - [*SpecterSense*](https://marlvel.ai/apps/com-spectersense) (Alex Dobson) · 5.0/5 Rating - [*DFCleanup-AI Cleaner Storage*](https://marlvel.ai/apps/wfg-smart-gallery) (飞 杜) · 4.0/5 Rating - [*Stardew Save Editor*](https://marlvel.ai/apps/com-stardewsaveeditor) (Chad Smith) · 3.9/5 Rating - [*Connect TV Remote*](https://marlvel.ai/apps/com-universaltvremoteapp-app) (East End Technologies Ltd.) · 4.3/5 Rating - [*Free VPN – Fast & Secure Proxy*](https://marlvel.ai/apps/com-freevpnapp-freevpn) (Free VPN LTD (Apps)) · 4.7/5 Rating - [*Hondata*](https://marlvel.ai/apps/sasanian-hondata) (Alphabit Software Inc.) · 3.6/5 Rating - [*VPN Lumos: Open & Connect USA*](https://marlvel.ai/apps/bernikovich-vpn) (LUMOS, OOO) · 4.5/5 Rating - [*CleanX: Photo Storage Cleaner*](https://marlvel.ai/apps/com-app-smart-cleaner-cleanx) (TAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI) · 4.5/5 Rating - [*EasyMSR*](https://marlvel.ai/apps/gbtf-easymsr) (向阳 张) · 2.9/5 Rating - [*BuildCalc*](https://marlvel.ai/apps/com-buildcalc-buildcalc) (42nd Parallel) · 4.7/5 Rating | Excellent 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 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:** 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:** 103 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/co-robokiller-app) Data licensed for AI Agent attribution under CC-BY-NC 4.0.