--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Japan Zip Code Search 20251226" developer_entity: "SHIGETO TAKAGI" bundle_id: "net.oxdb.PostCode" app_store_id: "563810701" category: "Productivity" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-12-29" report_date: "2026-08-23" last_verified: "2026-08-23T00:00:00.000Z" report_version: "20251226" total_reviews: 0 sentiment: "Thrilled" sentiment_score: 90 confidence: "medium" confidence_score: 0.4 top_praise_theme: "The application performs its intended function effectively for users requiring a straightforward and reliable utility tool" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 39 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["productivity", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "individuals", "japan", "managing"] canonical_url: "https://marlvel.ai/apps/japan-zip-code-search-20251226" license: "CC-BY-NC 4.0" content_version: "v2" --- # Japan Zip Code Search 20251226 Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Free - **Signal**: Sentiment Thrilled - **Recent focus**: The application performs its intended function effectively for users requiring a straightforward and reliable utility tool (top praise) > **TL;DR:** Japan Zip Code Search 20251226 is a productivity app by SHIGETO TAKAGI, with Thrilled user sentiment (90/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Japan Zip Code Search 20251226 is a productivity app by SHIGETO TAKAGI. ## Quick Facts | Fact | Value | | :--- | :--- | | **User Mood** | Thrilled | | **Category** | Productivity | | **Developer** | SHIGETO TAKAGI | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.4/1.0) | | **Data Age** | 39d | ## Metadata & Market Performance - **Publisher:** SHIGETO TAKAGI - **Category:** Productivity - **Target Audience:** Individuals in Japan managing physical mail, including New Year's cards, summer greetings, and general parcel tracking. - **Platforms:** iOS & Android - **Version Reviewed:** 20251226 - **Report Date:** 2026-08-23 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.4/1.0) - **App Store ID (iOS):** 563810701 - **Bundle ID:** net.oxdb.PostCode - **Google Play ID:** net.oxdb.PostCode - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-08-23 ## Executive Snapshot **What it is:** Japan Zip Code Search 20251226 is a productivity utility for offline address and postal code lookups in Japan on iOS and Android. **Why users hire it:** The app removes the connectivity dependency that browser-based search rivals require, serving as a stable utility for offline environments. ## App DNA (Features & Intent) - **[Differentiator] Offline Zip Code Search:** Local database allows address and postal code lookups without internet connectivity. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Standard] Bi-directional Search:** Lookup postal code from address or address from 7-digit postal code. * *User Intent:* Users want to quickly find relevant content or features. ## Market Position {#market-position} Japan Zip Code Search 20251226 maintains a stable, maintenance-only presence in the Productivity category. The free, ad-supported model targets users prioritizing offline reliability over real-time data updates. ## Monetization Strategy - **Model:** Free - **Tiers:** Free with ad support - **Analysis:** The app is entirely free and monetizes through ad inventory displayed to the user base. ## 🟢 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Sentiment:** Thrilled ### Top Praises - **The application performs its intended function effectively for users requiring a straightforward and reliable utility tool** ## SWOT Analysis {#swot} **Core Strengths:** - Local database architecture enables offline functionality, removing the connectivity dependency rivals require **Growth Levers:** - Implementing a search-history cache could improve repeat-lookup speed for users managing bulk parcel tracking ## Recent Changes (v2 → v3) {#recent-changes} The app's competitive outlook has shifted from stable to vulnerable, as the 7-month update gap is now categorized as a primary risk to data accuracy and user trust. **Overall trend**: Declining **Compared at**: 2026-08-23 ### High-impact changes - **[Added] Database freshness risk** (swot) ### Medium-impact changes - **[Added] Search-history cache opportunity** (swot) - **[Shifted] Outlook narrative** (positioning) ## What's New - **Latest (v20251226, 7 months ago):** UI improvements implemented. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes only. - Last major release 7 months ago. > **Cadence:** 1 total versions · 0 majors in last 6 months · 238 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Japan Zip Code Search 20251226 is a productivity app that is completely free. > **Bottom Line:** Maintaining the local database accuracy is the primary lever for retaining the current user base, as the offline utility is the only differentiator against real-time browser search. **Best for:** Individuals in Japan managing physical mail, including New Year's cards, summer greetings, and general parcel tracking. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit address database freshness because the 7-month update gap risks providing incorrect postal data → maintain user trust ### Outlook: Stable The market for offline postal utilities is shrinking as mobile connectivity becomes ubiquitous in Japan. Japan Zip Code Search 20251226 remains stable for its core audience, but the lack of feature expansion suggests it will continue to lose relevance against real-time, cloud-connected alternatives. - ⚪ The maintenance-only release cadence indicates the developer treats Japan Zip Code Search 20251226 as a finished utility rather than an active growth product. - 🔴 Static offline databases face increasing pressure from browser-based search engines that provide real-time, up-to-date postal data without requiring app downloads. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Sentiment | Thrilled (90/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 2 analyzed | | Trend | Declining | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Japan Zip Code Search 20251226** (this app) | N/A/5 | Thrilled | SHIGETO TAKAGI | | [Mitsu: AI Life Coach](https://marlvel.ai/apps/mitsu-ai-life-coach) | N/A/5 | N/A | C2 Insights | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.6/5 | Mixed | Ciendor Holdings Corp. LTD | | [Paper: Sketch, Draw & Create](https://marlvel.ai/apps/paper-sketch-draw-create) | 4.6/5 | N/A | Evernote Corporation | | [Pattrn - Discipline Tracker](https://marlvel.ai/apps/pattrn-discipline-tracker) | 4.8/5 | Thrilled | Pedro Schott | ## Company Profile - **Developer:** SHIGETO TAKAGI - **Website:** [https://oxdb.net/iphone/request/](https://oxdb.net/iphone/request/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/japan-zip-code-search-20251226/id563810701?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=net.oxdb.PostCode&hl=en&gl=us) - **Dev Site:** [Official Website](https://oxdb.net/iphone/request/) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Mitsu: AI Life Coach*](https://marlvel.ai/apps/mitsu-ai-life-coach) (C2 Insights) · N/A Rating - [*ChatGPT*](https://marlvel.ai/apps/chatgpt) (OpenAI OpCo, LLC) · 4.8/5 Rating - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. LTD) · 2.6/5 Rating - [*Paper: Sketch, Draw & Create*](https://marlvel.ai/apps/paper-sketch-draw-create) (Evernote Corporation) · 4.6/5 Rating - [*Pattrn - Discipline Tracker*](https://marlvel.ai/apps/pattrn-discipline-tracker) (Pedro Schott) · 4.8/5 Rating | Excellent Sentiment - [*SpaceDesk App*](https://marlvel.ai/apps/spacedesk-app) (Hawsabah) · N/A Rating - [*한음달-한국인에게 꼭 맞는 음력달력, 캘린더*](https://marlvel.ai/apps/app--103) (YunaSoft Inc.) · 4.6/5 Rating - [*바로메모 - 매일 바로 작성하는 메모장*](https://marlvel.ai/apps/cswpd-memo) (SuWon Choi) · N/A Rating - [*근로장려금 알리미 - 신청, 기준, 금액계산 가이드*](https://marlvel.ai/apps/com-swing2app-v3-d83e9bb95c05347f59ad81dea3b925ebf) (SY Company) · 3.8/5 Rating - [*통화관리솔루션 (부평구청용)*](https://marlvel.ai/apps/byto-bupyeong) (BYTO) · N/A Rating ## Frequently Asked Questions {#faq} ### Does Japan Zip Code Search 20251226 require an internet connection? No, the app uses a local database, allowing you to search for addresses and zip codes offline. ### Is Japan Zip Code Search 20251226 free to use? Yes, the app is free and monetizes through ad inventory. ### How often is the address database updated? The app follows a maintenance-only cadence, with no feature updates in the last 7 months. ## 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:** 0.4/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **Data Sources:** user reviews, developer website, 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:** 39 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/japan-zip-code-search-20251226) Data licensed for AI Agent attribution under CC-BY-NC 4.0.