--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "NumBuster. Real Name Caller ID" developer_entity: "GOODLINE SOFTWARES W.L.L" bundle_id: "com.numbuster" app_store_id: "1280556610" google_play_id: "com.numbuster.android" category: "Utilities" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-04-08" report_date: "2026-11-03" last_verified: "2026-11-03T00:00:00.000Z" report_version: "8.0.3" total_reviews: 262094 overall_rating: 4.4 sentiment: "Frustrated" sentiment_score: 35 confidence: "high" confidence_score: 0.7 top_praise_theme: "The core caller identification functionality provides immediate value for users identifying unknown incoming phone numbers" top_complaint_theme: "Users report the application fails to function or load correctly in specific geographic regions post-update" review_sample_size: 29 total_review_count: 29 analyzed_review_count: 29 data_age_days: 12 momentum_velocity: "intense" intelligence_version: 3 tags: ["utilities", "freemium", "frustrated sentiment", "mobile app", "app review", "app analysis", "mobile", "users", "seeking"] canonical_url: "https://marlvel.ai/apps/numbuster-real-name-caller-id" license: "CC-BY-NC 4.0" content_version: "v2" --- # NumBuster. Real Name Caller ID Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Freemium - **Signal**: Rating 4.35 · Sentiment Frustrated - **Recent focus**: Users report the application fails to function or load correctly in specific geographic regions post-update (top complaint) · The core caller identification functionality provides immediate value for users identifying unknown incoming phone numbers (top praise) > **TL;DR:** NumBuster. Real Name Caller ID is a utilities app by GOODLINE SOFTWARES W.L.L, rated 4.35/5 by 262.1K users, with Frustrated user sentiment (35/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** NumBuster. Real Name Caller ID faces Frustrated user sentiment (4.35/5 from 262.1K reviews), with users reporting users report the application fails to function or load correctly in specific geographic regions post-update as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.35/5 (262.1K reviews) | | **User Mood** | Frustrated | | **Category** | Utilities | | **Developer** | GOODLINE SOFTWARES W.L.L | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | High (0.7/1.0) | | **Data Age** | 12d | ## Metadata & Market Performance - **Publisher:** GOODLINE SOFTWARES W.L.L - **Category:** Utilities - **Target Audience:** Mobile users seeking protection from spam, robocalls, and fraudulent telemarketing activity. - **Platforms:** iOS & Android - **Version Reviewed:** 5.0.3 - **Report Date:** 2026-11-03 - **Signal Count:** 29 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 1280556610 - **Bundle ID:** com.numbuster - **Google Play ID:** com.numbuster.android - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-11-03 ## Executive Snapshot **What it is:** NumBuster. Real Name Caller ID is a spam-blocking and caller identification utility for iOS and Android users. **Why users hire it:** Users rely on NumBuster. Real Name Caller ID to filter unwanted telemarketing and robocalls, replacing the friction of manual screening with crowdsourced identification data. ## App DNA (Features & Intent) - **[Standard] Caller ID and Spam Detection:** Identifies incoming calls from unknown numbers using a database of 1.9 million spam and scam entries. - **[Differentiator] Community-Driven Number Tags:** Users assign tags to phone numbers to warn others of potential fraud or spam. * *User Intent:* Users want real-time communication within the app experience. - **[Standard] Default SMS Manager:** Replaces the system SMS app to filter and block spam messages. * *User Intent:* Users want to quickly find relevant content or features. ## Market Position {#market-position} NumBuster. Real Name Caller ID holds a 4.3-star rating across 262,094 total ratings, but its market position is constrained by regional service failures. The app's reliance on crowdsourced data creates a barrier to entry, yet the lack of account deletion controls limits its competitive standing. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with ad support, Premium subscription for advanced identification features - **Analysis:** Freemium model relies on ad-supported free usage for scale, with premium subscriptions gating advanced data access. ## 🔴 User Sentiment (High Confidence: 29 of 29 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.35/5 - **Platform Split:** iOS 4.3/5 (382 ratings) | Android 4.4/5 (261.7K ratings) - **Overall Sentiment:** Frustrated - **Note:** The 4.35/5 store rating reflects cumulative history, while the Frustrated sentiment reflects recent user reviews analyzed by our AI pipeline. ### Top Praises - **The core caller identification functionality provides immediate value for users identifying unknown incoming phone numbers** ### Top Complaints (Impact Areas) - **Users report the application fails to function or load correctly in specific geographic regions post-update** ## SWOT Analysis {#swot} **Core Strengths:** - Crowdsourced spam database creates a network effect that increases switching costs. - Default SMS manager integration expands ad-impression inventory. **Growth Levers:** - Implementing a transparent tag-removal process could mitigate reputational friction. - Adding clear account management controls could improve user trust and retention. ## Recent Changes (v2 → v3) {#recent-changes} NumBuster has transitioned from a standard utility to a high-risk product due to emerging allegations of facilitating harassment and persistent regional connectivity failures. These trust and functional deficits now outweigh the utility of its crowdsourced spam database. **Overall trend**: Declining **Compared at**: 2026-11-03 ### High-impact changes - **[Declined] Emergence of harassment and defamation allegations** (sentiment) - **[Declined] Regional connectivity failures** (sentiment) ### Medium-impact changes - **[Shifted] Community-driven tags repositioned** (features) - **[Added] Account management friction** (swot) ## App Momentum (Intense) {#momentum} - Ships bug fixes in latest release. - Maintains 4.3-star aggregate rating. > **Cadence:** 5 total versions · 0 majors in last 6 months · 26 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} NumBuster. Real Name Caller ID is an utilities app that is free with in-app purchases. With a 4.35/5 rating from 262.1K reviews, it draws more critical themes in recent reviews than its store average suggests. > **Bottom Line:** NumBuster. Real Name Caller ID must prioritize data-privacy controls to address the defamation and harassment allegations driving negative sentiment. Resolving these trust issues is the only way to stabilize the user base and prevent further churn in key markets. **Best for:** Mobile users seeking protection from spam, robocalls, and fraudulent telemarketing activity. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship account deletion and tag-removal tools because user frustration over data ownership is the #1 sentiment complaint → improve retention. ### Outlook: Declining The market for caller identification is consolidating, and NumBuster. Real Name Caller ID's current trajectory is hampered by persistent functional issues and trust deficits. Unless the developer addresses the lack of account management controls and regional outages, the app will continue to lose ground to more stable, privacy-focused competitors. - 🔴 Regional connectivity failures in the latest version erode the daily active habit, which compounds the rating drag already visible on Android. - 🔴 Allegations of facilitating harassment through unverified tags create significant reputational friction, which will likely suppress new-user conversion rates in the coming quarter. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.35/5 | | Total Reviews | 262.1K | | Sentiment | Frustrated (35/100) | | Confidence | High | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **NumBuster. Real Name Caller ID** (this app) | 4.35/5 | Frustrated | GOODLINE SOFTWARES W.L.L | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.9/5 | N/A | Cat Connect | | [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim | | [App For Siri Commands Tips](https://marlvel.ai/apps/app-for-siri-commands-tips) | N/A/5 | N/A | Anh La Phan Son | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Bin Days - Bin Reminder](https://marlvel.ai/apps/bin-days-bin-reminder) | N/A/5 | N/A | Vicki Partridge | ## Company Profile - **Developer:** GOODLINE SOFTWARES W.L.L - **Website:** [https://numbuster.com/en/contacts/](https://numbuster.com/en/contacts/) - **Social:** [Facebook](https://www.facebook.com/numbuster.eng) · [X/Twitter](https://twitter.com/NumBuster) ## Data Sources & Links - **App Store ID:** 1280556610 - **Google Play ID:** com.numbuster.android - **Dev Site:** [Official Website](https://numbuster.com/en/contacts/) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.9/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*App For Siri Commands Tips*](https://marlvel.ai/apps/app-for-siri-commands-tips) (Anh La Phan Son) · N/A Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Bin Days - Bin Reminder*](https://marlvel.ai/apps/bin-days-bin-reminder) (Vicki Partridge) · N/A Rating - [*Controller Tester FGC*](https://marlvel.ai/apps/controller-tester-fgc) (Aaron Lowe) · 5.0/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating - [*Gear Ratio Calculator & RPM*](https://marlvel.ai/apps/cog-gear-ratio-calculator) (Linh Phan Nhat Khanh) · N/A Rating - [*MDflow Web Clipper*](https://marlvel.ai/apps/mdflow-web-clipper) (DataOps, s.r.o.) · N/A Rating - [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating ## Frequently Asked Questions {#faq} ### Is NumBuster. Real Name Caller ID safe to use? Users have expressed concerns regarding data privacy and the lack of account deletion controls. While the app provides caller ID, reviewers have raised issues about how personal data and tags are managed. ### How do I remove my number from NumBuster. Real Name Caller ID? Users report frustration regarding the lack of an accessible account deletion or tag-removal button. Currently, the app does not provide a clear, self-service mechanism for users to remove their information from the database. ### Does NumBuster. Real Name Caller ID work in all countries? No. Users report that the application fails to function or load correctly in specific geographic regions, including the UAE and Russia, even when using a VPN. ## 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 29 - **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:** 12 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/numbuster-real-name-caller-id) Data licensed for AI Agent attribution under CC-BY-NC 4.0.