Unified E-Hentai / EXhentai / nhentai Viewer for iOS / iPadOS
https://github.com/CielDevApp/CortEX/raw/main/assets/demo.mp4
Content blurred for privacy
- E-Hentai / EXhentai — Auto-switches based on login state. E-Hentai browsable without login
- nhentai — Full API integration, automatic Cloudflare bypass (WKWebView cf_clearance), WebP support
- 4-Layer Deleted Gallery Recovery — nhentai (in-app search) → nyahentai.one → hitomi.la → title copy
- 4 Modes — Vertical scroll / Horizontal paging / iPad spread view / Pinch zoom
- iPad Spread — Auto landscape detection, 2-page composite rendering (zero-gap), wide images displayed solo
- RTL / LTR — Right-to-left and left-to-right binding with edge-tap page turning
- Double-tap Zoom — Live Text (text selection) support
- CIFilter — Tone curve, sharpening, noise reduction
- Metal Compute Shader — Direct GPU pipeline
- CoreML Real-ESRGAN — Neural Engine 4x super-resolution (tiled processing)
- 4-Level Quality — Low → Low+Super-Res → Standard → Standard+Filter
- HDR Enhancement — Shadow detail recovery + vibrance + contrast
- Bidirectional DL (Extreme Pincer) — Simultaneous forward + backward download
- Second Pass — Auto-retry failed pages with exponential backoff
- Live Activity — Lock screen + Dynamic Island progress display
- Read/Download Separation — "Download remaining?" prompt on close
- Dual Cache — Independent E-Hentai / nhentai cache with disk persistence
- nhentai Sync — WKWebView SPA rendering → JavaScript ID extraction → API resolution
- Search / Sort — Date added (newest/oldest) / Title
- Title / Cover / Info (language, pages, circle, artist, parody)
- Tag-tap Search — One-tap search by artist:name, group:name, etc.
- Thumbnail grid → Tap to jump to page
- Filter pipeline (denoise / enhance / HDR)
- Face ID / Touch ID — Authentication on launch and resume
- 4-digit PIN — Biometric fallback
- App Switcher Blur — Content hidden in task switcher
- Keychain Encryption — Secure cookie and credential storage
- PHOENIX MODE — E-Hentai + nhentai unified JSON favorites backup
- Extreme Safety Lock — EXTREME MODE requires backup first
- .cortex Export — Gallery ZIP package
- ECO Mode — NPU/GPU disabled, 30Hz, iOS Low Power Mode sync
- EXTREME MODE — All limiters removed (20 parallel, zero delay)
- CDN Fallback — i/i1/i2/i3 auto-switch + extension fallback (webp→jpg→png)
- Vision OCR → Apple Translation API → Image burn-in
- 5 languages (JA/EN/ZH/KO/Auto)
- Foundation Models — Auto genre classification, tag recommendations
- TipKit (11 tips) — Operation hints for all features, re-displayable from settings
- 8 Languages — JA / EN / ZH-Hans / ZH-Hant / KO / DE / FR / ES
- Dynamic Tabs — Auto-switch E-Hentai ↔ EXhentai based on login
- Benchmark — CIFilter vs Metal speed test with device model display
- Lock Screen Wallpaper — Favorites gallery covers automatically appear as lock screen background (blurred until unlock)
- iOS 18.0+ / iPadOS 18.0+ (iOS 26 / iPadOS 26 tested)
- iPhone / iPad (iPad spread mode supported)
- Clone:
git clone https://github.com/CielDevApp/CortEX.git - Open
EhViewer.xcodeprojin Xcode 16+ - Select your Team in Signing & Capabilities
- Change Bundle Identifier to something unique (e.g.
com.yourname.cortex) - Connect your device and hit Run
- Download the IPA from Releases
- Install via AltStore, Sideloadly, or TrollStore
Note: Free Apple Developer accounts have a 7-day signing limit. Use AltStore for auto-refresh.
- Swift / SwiftUI
- 76 Swift files / ~20,000 lines
- Metal / CoreML / Vision / WebKit / ActivityKit / TipKit
This project is licensed under the GPL-3.0 License - see the LICENSE file for details.
Support development on Patreon.