--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Device ID Check Tool" developer_entity: "Mizuki Hoshida" bundle_id: "com.hoshimizu.host.IDFAChecker" app_store_id: "6742742567" google_play_id: "tw.reh.deviceid" category: "Developer Tools" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-12-16" report_date: "2026-05-20" last_verified: "2026-05-20T00:00:00.000Z" report_version: "1.2.1" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 139 momentum_velocity: "steady" intelligence_version: 2 tags: ["developer tools", "free", "mobile app", "app review", "app analysis", "mobile", "marketers", "developers"] canonical_url: "https://marlvel.ai/apps/com-hoshimizu-host-idfachecker" license: "CC-BY-NC 4.0" content_version: "v2" --- # Device ID Check Tool Intelligence Report ## TL;DR {#tldr} - **Category**: Developer Tools · Free > **TL;DR:** Device ID Check Tool is a developer tools app by Mizuki Hoshida, available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Device ID Check Tool is a developer tools app by Mizuki Hoshida. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Developer Tools | | **Developer** | Mizuki Hoshida | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 139d | ## Metadata & Market Performance - **Publisher:** Mizuki Hoshida - **Category:** Developer Tools - **Target Audience:** Mobile marketers and app developers requiring quick access to device advertising identifiers. - **Platforms:** iOS & Android - **Version Reviewed:** 1.2.1 - **Report Date:** 2026-05-20 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6742742567 - **Bundle ID:** com.hoshimizu.host.IDFAChecker - **Google Play ID:** tw.reh.deviceid - **Data Window:** Analysis based on signals collected up to 2026-05-20 ## Executive Snapshot Device ID Check Tool is a utility designed for mobile marketers and developers to retrieve and share their Identifier for Advertisers (IDFA). It enables local tracking status monitoring and IDFA management to assist with campaign debugging and iOS 14+ privacy compliance. ## App DNA (Features & Intent) - **[Standard] IDFA Retrieval:** Allows users to copy their device's Identifier for Advertisers with a single tap. - **[Standard] Tracking Status Monitor:** Provides real-time visibility into tracking status for debugging and marketing analysis. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Local Data Processing:** Ensures privacy by processing all identifier data locally on the device without external transmission. * *User Intent:* Users prioritize data protection and trust in the platform. - **[Standard] iOS Compliance Support:** Supports advertising identifier management requirements for iOS 14+ privacy standards. * *User Intent:* Users prioritize data protection and trust in the platform. ## Monetization Strategy - **Model:** Free ## App Momentum (Steady) {#momentum} Last updated 155d ago. 5 versions tracked. > **Cadence:** 5 total versions · 0 majors in last 6 months · 155 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Device ID Check Tool is an established developer tools app that is completely free. > **Bottom Line:** This is a privacy-focused utility for developers and marketers to manage and verify IDFA data locally. **Best for:** Mobile marketers and app developers requiring quick access to device advertising identifiers. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 4 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Device ID Check Tool** (this app) | N/A/5 | N/A | Mizuki Hoshida | | [Dispatch – AI Command Runner](https://marlvel.ai/apps/com-s-kawano-dispatchaicommandrunner) | N/A/5 | N/A | Seiya.k | | [Appboard: Global App Rankings](https://marlvel.ai/apps/app-efo-appboard) | 3.9/5 | N/A | Dongchan Son | | [Learn Python (Step By Step)](https://marlvel.ai/apps/learn-python-step-by-step) | 4.1/5 | N/A | Paulo Narra | | [Proxycat](https://marlvel.ai/apps/proxycat) | 5.0/5 | N/A | Byte Crossing | | [v0](https://marlvel.ai/apps/v0) | 4.8/5 | Thrilled | Vercel, Inc | ## Company Profile - **Developer:** Mizuki Hoshida - **Website:** [https://mizuzzzh.blogspot.com](https://mizuzzzh.blogspot.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/kr/app/%EB%94%94%EB%B0%94%EC%9D%B4%EC%8A%A4-id-%ED%99%95%EC%9D%B8-%EB%8F%84%EA%B5%AC/id6742742567?uo=2) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=tw.reh.deviceid&hl=en&gl=kr) - **Dev Site:** [Official Website](https://mizuzzzh.blogspot.com) - **Sources:** App store metadata. ## Related Intel Reports - [*Dispatch – AI Command Runner*](https://marlvel.ai/apps/com-s-kawano-dispatchaicommandrunner) (Seiya.k) · N/A Rating - [*Appboard: Global App Rankings*](https://marlvel.ai/apps/app-efo-appboard) (Dongchan Son) · 3.9/5 Rating - [*Learn Python (Step By Step)*](https://marlvel.ai/apps/learn-python-step-by-step) (Paulo Narra) · 4.1/5 Rating - [*Proxycat*](https://marlvel.ai/apps/proxycat) (Byte Crossing) · 5.0/5 Rating - [*v0*](https://marlvel.ai/apps/v0) (Vercel, Inc) · 4.8/5 Rating | Excellent Sentiment - [*[3D] Preview*](https://marlvel.ai/apps/3d-preview) (designmatic) — 3.0/5 Rating - [*JSON Tools*](https://marlvel.ai/apps/com-omgfoss-devutils) (Mohammed Aadhil) · N/A Rating - [*Mermaid Editor - MMChart Live*](https://marlvel.ai/apps/org-termuxstudio-mermaid) (TERMUX LIMITED LIABILITY COMPANY) · 4.7/5 Rating - [*Agentfy: AI Agent Monitor*](https://marlvel.ai/apps/com-ibrillantes-agentfy) (Ian Brillantes) · 5.0/5 Rating - [*Picai - Photo*](https://marlvel.ai/apps/com-picaibgrep-ios) (Kunming Dianhao Technology Co., Ltd.) · 4.7/5 Rating ## 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 139 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/com-hoshimizu-host-idfachecker) Data licensed for AI Agent attribution under CC-BY-NC 4.0.