Shellby: SSH Client & Terminal
SFTP, tunnels & server monitor
Free · In‑App Purchases
Mosh-compatible connections survive network switches; sync via your own WebDAV/S3. Terminal, SFTP, tunnels, server monitor & an AI agent that asks first.
Shellby is a modern, native SSH client for iPhone, iPad, and Mac — one app, one experience across all your Apple devices. It does more than connect: a built-in AI agent turns plain-language ops tasks into commands and asks for your approval before running each one, and Mosh-compatible transport keeps your session alive across network changes. Built for developers, sysadmins, and anyone who manages remote servers. No account, no tracking.
AI ASSISTANT & AGENT (BRING YOUR OWN KEY)
• Describe an ops task in plain language — the agent plans and runs commands step by step
• Every command passes an approval gate; destructive actions require explicit confirmation — nothing runs behind your back
• Customizable command allow/deny lists; approve & allowlist in one tap
• Connects via standard chat-completion APIs to the service you choose — e.g. DeepSeek, Kimi, GLM, Qwen, or a local Ollama model
• Off by default; you supply your own API key and endpoint — the app ships with no AI service built in
MOSH-COMPATIBLE CONNECTIONS
• Switch from Wi-Fi to cellular, roam between networks, ride through a tunnel — your session survives and resumes instantly
• Typing stays responsive even on slow, high-latency links
• Connection test detects a missing mosh-server and offers install instructions for your distro
TERMINAL
• Fast, standards-compliant terminal (xterm-256color)
• Password and SSH key authentication (Ed25519 / RSA / OpenSSH)
• On-screen key bar: Esc, Tab, Ctrl combos, arrows, common symbols
• Full hardware-keyboard mapping on iPad and Mac
• Terminal themes and adjustable font size
• Scrollback buffer up to 50,000 lines
SNIPPETS & COMMAND TOOLBAR
• Save the commands you use every day; run, insert, or copy them from a toolbar right above the terminal
• Shell syntax highlighting and line numbers; review a snippet before you run it
DESKTOP-CLASS ON MAC & iPAD
• Three-column layout: hosts, sessions, and content each in their place
• Multiple windows and session tabs; session cards with live terminal previews
• Split view — several sessions side by side
• Command broadcast — type once, send to many sessions
• Native menu bar, keyboard shortcuts, and window toolbar on Mac
FILES (SFTP)
• Browse, upload, download, rename, move, delete, create folders
• One transfer queue for uploads and downloads — progress, resume, and a choice of download destination
• Drag & drop on Mac; system notification when background transfers finish
• Integrates with the Files app
PORT FORWARDING & TUNNELS
• Local (-L), remote (-R), and dynamic SOCKS5 (-D) forwarding
• Jump hosts / ProxyJump (-J) with multi-hop chains
• Standalone tunnels that stay up and auto-reconnect, with live bandwidth
• For reaching services inside your own server network (databases, internal dashboards) — not for bypassing network restrictions
SERVER MONITOR
• Live CPU, memory, swap, disk, load average, and top processes
SYNC — YOUR DATA, YOUR STORAGE
• Optional iCloud sync of hosts, groups, and rules (CloudKit); passwords and keys travel only through the end-to-end-encrypted iCloud Keychain
• Or bring your own storage: sync hosts, keys, snippets, and AI settings & chats via any WebDAV or S3-compatible service you control
• Pair a new device by scanning a QR code — nothing to retype
SECURITY & PRIVACY
• Credentials stored only in the device Keychain — never in plaintext
• Host fingerprint verification (TOFU), with a strong warning if a fingerprint ever changes
• Face ID / Touch ID app lock
• No account, no tracking, no data collection
You bring your own SSH servers; Shellby connects only to machines you own or are authorized to access.
Languages: English, 简体中文, 繁體中文.
Privacy Policy: https://shellby.app.mahui.me/privacy/
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
A round of stability and polish fixes.
Keys & credentials
• RSA private key import completed: classic PKCS#1 supported, public keys derived from the private key for real
• Private keys are now always stored as OpenSSH PEM, fixing binary keys being corrupted by sync
• New "re-push credentials to iCloud Keychain" in Settings, for when another device is missing them
• Credentials carried over from older versions are normalised automatically — nothing for you to do
Terminal
• Fixed terminals filling only a corner of the window after reconnecting (vim, htop and other full-screen programs)
• iPhone & iPad: you can now scroll back through history during continuous output such as tail -f
• Steadier Mosh-compatible connections: fixed stalls caused by out-of-order packets being discarded as replays, and spurious "link interrupted" warnings on a perfectly healthy link
• Mosh-compatible sessions keep no scrollback (a protocol limitation) — the first time you scroll up we explain why and what to use instead
AI agent
• Replies render as Markdown instead of showing raw ** and backticks
• Approval cards stay fully readable: long commands and rationales scroll inside the card, and destructive commands get a "view full command" link — no more approving what you couldn't finish reading
• Adding a follow-up task in the same conversation now regenerates the plan
iPhone UI
• The terminal's top bar now follows your terminal theme's light/dark, with the status bar and keyboard matching
• SSH / Mosh-compatible badges on tabs are far easier to read
Sync
• Fixed duplicate host rows reappearing after being removed, via iCloud
Keep the feedback coming!
The developer, 荟 马, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 荟 马
- Size
- 15.5 MB
- Category
- Developer Tools
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 15.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Yearly $9.99
- Pro Monthly $1.99
- Pro Lifetime $29.99
- Copyright
- © U&M Studio
