# JOYK

> Official site and guides for indie iOS, iPadOS and macOS apps by Neo Huang: NeoServer (SSH, Mosh, Docker and server monitoring), Fileso (file manager and converter), Device Status+ (hardware tests and device monitor), MarkX (photo markup and measurement) and Resolve (calculator with history). All apps are free to download on the App Store.

Pages are available in English, Chinese, Spanish, Japanese, French, Portuguese, Russian and German under /{lang}/ (for example /zh/ or /ja/).

## Apps

- [NeoServer](https://www.joyk.com/en/app/neoserver.html): SSH, Mosh, Docker & SFTP client for iPhone, iPad and Mac. App Store: https://apps.apple.com/app/neoserver-docker-ssh-sftp/id6448362669
- [Fileso](https://www.joyk.com/en/app/fileso.html): All-in-one file manager, viewer and converter. App Store: https://apps.apple.com/app/fileso-unzip-tar-gz-rar-7z-xz/id6544783659
- [Device Status⁺](https://www.joyk.com/en/app/devicestatus.html): Monitor and test your iPhone hardware. App Store: https://apps.apple.com/app/device-status/id6747854290
- [MarkX](https://www.joyk.com/en/app/markx.html): Professional image annotation and measurement. App Store: https://apps.apple.com/app/markx-markup-measurements/id6758926739
- [Resolve](https://www.joyk.com/en/app/resolve.html): Fast, ad-free calculator with history. App Store: https://apps.apple.com/app/calculator-withhistory-resolve/id6670785680

## NeoServer guides

- [Post-Quantum SSH on iOS: NeoServer Adds ML-KEM Key Exchange](https://www.joyk.com/en/doc/ios-post-quantum-ssh-mlkem-neoserver.html)
- [Solution for Termius Chinese garbled text and Chinese input method issues on iOS —— Use NeoServer for a smooth Chinese experience](https://www.joyk.com/en/doc/ios-termius-cjk-ime-support.html)
- [Share your NeoServer experience to get Pro membership](https://www.joyk.com/en/doc/neoserver-share-to-get-pro.html)
- [One-click open terminal via neoserver:// scheme link on iOS](https://www.joyk.com/en/doc/neoserver-url-scheme-deep-link-ios.html)
- [SSH Agent Forwarding on iOS: NeoServer Keeps Your Private Key Safely on Your iPhone](https://www.joyk.com/en/doc/ios-ssh-agent-forwarding-neoserver.html)
- [NeoServer: An iOS SSH and Mosh Terminal That Maintains Connections on Any Network](https://www.joyk.com/en/doc/ios-mosh-ssh-client-neoserver.html)
- [iOS Terminal End-to-End Image Upload | NeoServer One-Click Asset Pasting, Integrated with Claude Code, Codex for Efficient Debugging and Troubleshooting](https://www.joyk.com/en/doc/ios-neoserver-ssh-upload-file-video-image-claude-code-codex-debug.html)
- [How to Use a PuTTY Key (.ppk) via the NeoServer SSH Client on iOS](https://www.joyk.com/en/doc/neoserver-ssh-putty-ppk-ios.html)
- [Solving the Issue of Termius Not Supporting Claude Code Shortcut Shift + Tab Using NeoServer](https://www.joyk.com/en/doc/solve-termius-claude-shortcut-neoserver.html)
- [Best iOS tmux SSH Client: NeoServer for Claude Code](https://www.joyk.com/en/doc/best-ios-tmux-ssh-client-neoserver-for-claude-code.html)
- [Best iOS Apps for Managing Your Unraid Server Remotely 🚀](https://www.joyk.com/en/doc/best-ios-apps-unraid-management.html)
- [Best SSH Client for iPhone & iPad in 2026: 7 Apps Compared](https://www.joyk.com/en/doc/best-iphone-ipad-ssh-client-terminal.html)
- [The Best No-Install Server Probe - NeoServer](https://www.joyk.com/en/doc/no-installation-server-monitoring-tool.html)
- [Getting NVIDIA GPU usage info on iOS using NeoServer](https://www.joyk.com/en/doc/get-nvidia-gpu-usage-on-iOS-device.html)
- [NeoServer: The Ultimate iOS Alternative to JuiceSSH for Server Management](https://www.joyk.com/en/doc/juicessh-ios-alternative.html)
- [Best Linux Server Monitoring iOS App: NeoServer](https://www.joyk.com/en/doc/best-linux-server-monitor-ios-app-neoserver.html)
- [Termux iOS Alternative: Exploring NeoServer Features and Use Cases](https://www.joyk.com/en/doc/termux-ios-alternative.html)
- [ServerCat alternatives on iOS: NeoServer](https://www.joyk.com/en/doc/servercat-alternative.html)
- [How to Use NeoServer's Wake-on-LAN (WOL) on iOS](https://www.joyk.com/en/doc/wol-neoserver-ios.html)
- [NeoServer User Manual](https://www.joyk.com/en/doc/neoserver.html)

## Device Status⁺ guides

- [How to Analyze iPhone Battery Analytics Logs and Battery Health On-Device with Device Status⁺](https://www.joyk.com/en/doc/device-status-battery-log-analyzer.html)
- [How to Read and Analyze iPhone sysdiagnose Logs On-Device with Device Status⁺](https://www.joyk.com/en/doc/device-status-diagnostic-log-analyzer.html)
- [iOS Shortcuts + Device Status⁺: Get Device Temperature Level (Nominal/Fair/Serious/Critical) with One Tap](https://www.joyk.com/en/doc/ios-shortcut-device-status-temperature-level.html)
- [How to Check How Long Your iPhone Has Been Powered On (Uptime/Boot Time) Using Device Status⁺](https://www.joyk.com/en/doc/ios-check-uptime-boot-time-device-status.html)
- [How to Display Time Down to the Second on iOS Using Device Status⁺](https://www.joyk.com/en/doc/ios-display-time-to-second-device-status.html)
- [How to View Real-Time Network Upload and Download Speeds in Dynamic Island on iOS Using Device Status](https://www.joyk.com/en/doc/ios-dynamic-island-network-speed-device-status.html)

## MarkX guides

- [MarkX: The Ultimate On-Site Measurement and Markup Tool for Whole-House Custom Designers](https://www.joyk.com/en/doc/markx-markup-measurements.html)

## Fileso guides

- [How to Decrypt, Open, Preview, and Edit bplist Files on iPhone and iPad Using Fileso](https://www.joyk.com/en/doc/decrypt-open-preview-edit-bplist-files-iphone-ipad-fileso.html)
- [Preview HAR Files on iOS Using Fileso](https://www.joyk.com/en/doc/preview-har-files-ios-fileso.html)
- [iOS Static File Server Using Fileso](https://www.joyk.com/en/doc/ios-static-file-server-using-fileso.html)
- [iOS Shu App Removal: The Best Alternative – Fileso](https://www.joyk.com/en/doc/ios-shu-app-xiajia-tidaibing-fileso.html)
- [How to Split a GIF into Individual Frames on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-split-gif-into-frames-ios-iphone-fileso.html)
- [How to Convert Live Photos to GIF on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-convert-live-photo-to-gif-ios-iphone-fileso.html)
- [How to Convert MHT/MHTML to HTML on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-convert-mht-mhtml-to-html-ios-iphone-fileso.html)
- [How to Merge Multiple Images and Convert Them to a Single PDF on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-merge-multiple-images-and-convert-to-pdf-ios-iphone-fileso.html)
- [How to Convert SVG to Image or PDF on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-convert-svg-to-image-or-pdf-ios-iphone-fileso.html)
- [How to Convert Markdown to HTML on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-convert-markdown-to-html-ios-iphone-fileso.html)
- [How to Convert Text File Encoding on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-convert-text-file-encoding-ios-iphone-fileso.html)
- [How to View Any File in HEX Format on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-view-any-file-hex-format-ios-iphone-fileso.html)
- [How to Open and Edit Binary PLIST and Strings Files on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-open-edit-binary-plist-strings-files-ios-iphone-fileso.html)
- [How to Open CRX Files on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-open-crx-files-ios-iphone-fileso.html)
- [How to Open Lottie Animation Files on iOS/iPhone Using Fileso](https://www.joyk.com/en/doc/how-to-open-lottie-animation-files-ios-iphone-fileso.html)
- [Browsing and Opening MHTML/MHTM Files with iOS Fileso App](https://www.joyk.com/en/doc/ios-mhtml-viewer.html)
- [Converting TGS to GIF on iOS Using the Fileso App](https://www.joyk.com/en/doc/converting-tgs-to-gif-on-ios-using-the-fileso-app.html)
- [Fileso User Guide](https://www.joyk.com/en/doc/fileso-user-guide.html)

## Resolve guides

- [Calculator with History Feature for iPhone](https://www.joyk.com/en/doc/calculator-with-history-feature-for-iphone.html)
- [Best Free Calculator App for iPhone](https://www.joyk.com/en/doc/best-free-calculator-app-for-iphone.html)
- [Best Calculator for iPad](https://www.joyk.com/en/doc/best-calculator-for-ipad.html)
- [Resolve Calculator User Guide](https://www.joyk.com/en/doc/resolve-calculator.html)

## NeoAria2 guides

- [NeoAria2 User Guide](https://www.joyk.com/en/doc/neoaria2.html)

## Optional

- [All guides](https://www.joyk.com/en/guides.html)
- [About](https://www.joyk.com/en/about)
- [Sitemap](https://www.joyk.com/sitemap.xml)