--- title: "NAUTICAL CHART SYMBOLS & ABBREVIATIONS — App Overview" url: https://marlvel.ai/apps/biz-chart-symbols category: Navigation developer: The Other Hat platforms: ios rating: 3.5 (2 ratings) pricing: paid report_level: overview generated: 2026-04-30 last_verified: "2026-04-30T14:06:05.802Z" --- > **Key Insight:** This app serves as a portable, offline digital manual for interpreting standard international nautical chart symbols. | Metric | Value | |--------|-------| | Category | Navigation | | Rating | 3.5 ★ (2) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 3.0 | | Developer | The Other Hat | ## What is NAUTICAL CHART SYMBOLS & ABBREVIATIONS? Nautical Chart Symbols & Abbreviations is a digital reference tool for IHO-standard marine chart symbols and international abbreviations. It provides offline access to high-resolution graphics and a structured, searchable index for maritime navigation planning. ## Key Features - **IHO Standard Reference**: Provides comprehensive access to INT 1 symbols specified by the International Hydrographic Organization. - **High-Resolution Visuals**: Includes hi-res graphics with a tap-to-enlarge feature for detailed symbol inspection. - **Searchable Index**: Features a fully searchable index organized into five main categories for efficient navigation. - **Offline Functionality**: Operates entirely without an internet connection, ensuring availability on mobile devices at sea. ## Who is it for? Mariners, sailors, and students requiring quick, offline access to official nautical chart symbology. ## Links - [App Store](https://apps.apple.com/us/app/nautical-chart-symbols-abbreviations/id687296241?uo=2) - [Full Intelligence Report](https://marlvel.ai/apps/biz-chart-symbols) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/biz-chart-symbols).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*