--- title: "〒検索 — App Overview" url: https://marlvel.ai/intel-report/reference/umap-zipcode category: Reference developer: Shuji Fukumoto platforms: ios rating: N/A (0 ratings) pricing: paid report_level: overview generated: 2026-05-11 last_verified: "2026-05-11T08:04:05.385Z" --- > **Key Insight:** This is a specialized, offline-first reference tool designed for efficient navigation of Japanese postal data. | Metric | Value | |--------|-------| | Category | Reference | | Rating | N/A ★ (0) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 6.4.1 | | Developer | Shuji Fukumoto | ## What is 〒検索? 〒検索 is a utility app that provides offline access to Japanese postal code data. It features a hierarchical navigation system using index bars and sub-indexes to quickly locate specific regions or postal codes without requiring an internet connection. ## Key Features - **Offline Database**: Enables users to search for Japanese postal codes and addresses without an active internet connection. - **Index Bar Navigation**: Allows users to filter the address list by tapping or sliding across an index bar to jump to specific character groups. - **Sub-index Filtering**: Provides a secondary layer of navigation for precise selection when multiple candidates exist for a chosen character. - **Text Search**: Supports direct input in the search bar to find postal codes by town name or addresses by postal code. ## Who is it for? Users in Japan who need a fast, offline reference tool for looking up postal codes and corresponding addresses. ## Links - [App Store](https://apps.apple.com/us/app/%E6%A4%9C%E7%B4%A2/id297773756?uo=4) - [Full Intelligence Report](https://marlvel.ai/intel-report/reference/umap-zipcode) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/reference/umap-zipcode).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*