# 한의학 사전

> 한의학 사전 (iPhone/iPad app by Gyuman Kim.)

- Source: https://appshunter.io/ios/app/id6778127943 (this page in markdown: same URL + `.md`)
- Developer: [Gyuman Kim](https://appshunter.io/developer/1120436841)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 45 MB
- Languages: American English
- Released: 2026-06-09
- Data updated: 2026-07-23
- User reviews in markdown: https://appshunter.io/ios/app/id6778127943/reviews.md

## What is 한의학 사전?

Oriental Medicine Dictionary is an offline Oriental Medicine dictionary designed for practitioners,
  students, and researchers who work with traditional Chinese medicine (TCM) and
  Korean medicine texts.

  What can you do?

  Camera OCR Scanning
  - Point your camera at medical texts, prescriptions, or classical documents
  - Instantly extract and identify Chinese characters
  - Get immediate dictionary lookups without typing

  Comprehensive Dictionary
  - 500+ herbal medicines with properties, meridians, and benefits
  - Classical medicine references including Dongeuibogam
  - Traditional remedy formulas and their applications
  - Detailed character information for complex medical terminology

  Offline-First Design
  - All data bundled in the app - no internet required
  - Instant lookups anywhere, anytime
  - On-device processing for privacy and speed

  Perfect For
  - Oriental medicine practitioners and clinicians
  - TCM students and researchers
  - Healthcare providers studying traditional medicine
  - Anyone reading classical medical texts

  Features:
  - Adjustable font sizes for readability
  - Support for traditional and simplified characters
  - Dark mode support for comfortable reading
  - No login or registration required
  - No external services - completely private


## Version history (last 5 releases)

### 1.4 — 2026-07-16

Features

Image Preprocessing for OCR — Lanczos upscaling + contrast boost for better low-resolution hanja recognition
Improved UI Controls — Zoom indicator and reset button moved to bottom for better accessibility across all modes
Better Capture OCR — Re-run OCR with preprocessing on final captures for improved accuracy

Improvements

Responsive UI — Preprocessing only applies to final captures (not live frames) to maintain real-time performance
Cleaner Interface — Icon-only buttons in crop view for less cluttered UI
Consistent Controls — Zoom controls unified across camera, crop, and overlay modes
Camera Stability — Disable auto-rotation and preserve crop state between captures
iPad Support — Added UIInterfaceOrientationPortraitUpsideDown for better iPad multitasking

Fixes

Fixed overlay reading mode snapshot issues
Resolved camera view rotation and zoom handling
Improved orientation normalization for better image quality

Summary: Version 1.4 focuses on better OCR accuracy for low-resolution text (especially hanja from book photos) with an improved, more accessible UI and better stability across different devices and orientations.

### 1.3 — 2026-07-02

Camera & Scanning Improvements:

  - Fixed camera orientation issues — Camera view now displays correctly in all orientations without unexpected rotations
  - Crop box persistence — When reviewing text results, your crop selection is now preserved when you return to the camera. Adjust your crop
  once, then easily compare multiple scans without re-cropping

  Performance & Stability:
  - Optimized camera session handling for more stable performance
  - Improved device orientation detection for more reliable scanning in different positions

### 1.2 — 2026-07-02

Landscape Orientation & Camera Improvements
  - Implemented landscape orientation detection in CameraView with proper sheet presentation
  - Fixed video rotation angle to prevent flipped photos
  - Ensured captured images have correct orientation (.up) via VNImageRequestHandler
  - Normalized image orientation in captureSnapshot for consistent handling

  Code Quality & Refactoring
  - Thread-safe access to OCR state and properties
  - Moved normalizeOrientation method to OverlayViewModel for better separation of concerns
  - Removed redundant orientation normalization code
  - Fixed camera frame aspect ratio and scope references

  UI/UX Fixes
  - Fixed cancel button to remain static during zoom and pan interactions
  - Comprehensive zoom and rotation fixes for overlay interactions

  App Store Compliance
  - Added UIInterfaceOrientationPortraitUpsideDown support for iPad multitasking compatibility (required by App Store)
  - Incremented build number to 3 for resubmission

  Summary: Major improvements to camera orientation handling in both portrait and landscape modes, refactored view model logic for better maintainability, and fixed App
  Store validation errors.

### 1.1 — 2026-06-24

Search hanja words by sound

### 1.0 — 2026-06-10

No release notes.

## More apps by Gyuman Kim

- [GoBirdie](https://appshunter.io/ios/app/gobirdie/id6762627436)
- [HeaderX](https://appshunter.io/ios/app/headerx/id6790552565)

All apps by Gyuman Kim: https://appshunter.io/developer/1120436841

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-23.*