Shellton vs Canvas UI Kit
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Shellton
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Shellton is a native ACP cockpit and persistent SSH/Mosh terminal for developers who want to run coding agents from iPhone without moving their work into a proprietary cloud relay. RUN CLAUDE AND CODEX ON YOUR HOSTS. Connect to a saved SSH or Mosh host, choose Claude or Codex, and start or resume an agent session in the directory where your code already lives. Shellton launches the official Agent Client Protocol adapter on demand and carries the session over your existing encrypted connectionβno Shellton account, relay server, or host daemon. AN AGENT INTERFACE BUILT FOR MOBILE. Follow live transcripts, reasoning, tool activity, and plans without squeezing a desktop terminal onto your phone. Approve or deny tool requests, send the next instruction by keyboard or voice, switch between conversations, and hand control back to tmux when you return to a computer. EVERY DROPPED SESSION IS A BUG. Shellton tries Mosh first on every connection. Mosh survives Wi-Fi handoffs, dead zones, and locked-screen suspends. If the server does not have mosh-server installed, Shellton transparently falls back to SSH. VOICE INPUT, ON-DEVICE. Tap the mic and dictate agent prompts or terminal commands. Supported speech engines run on your device; your audio is never sent to Shellton. KEYBOARD THAT WORKS FOR DEVELOPERS. Use a configurable accessory bar with modifier keys, arrows, and custom escape sequences. Build bars in the app or author them in YAML and import them from Files. Hyper, Meh, Kitty keyboard protocol, and tmux prefix shortcuts are supported. FULL-SCREEN TERMINAL. Use a true-color SwiftTerm terminal with Nerd Font glyphs, themes, snippets, per-host history, SSH key management, host-key verification, Live Activities, and tmux-aware navigation. YOUR DATA STAYS YOUR OWN. Shellton uses privacy-preserving product analytics for feature adoption and connection reliability. Analytics never include hostnames, addresses, usernames, commands, terminal text, credentials, voice audio, transcripts, or raw errors, and can be disabled in Settings. There is no advertising or cross-app tracking. SSH keys live in the iOS Keychain, app data remains local, and accessory-bar configuration can sync through your private iCloud container. KEY FEATURES β’ Native ACP conversations with Claude and Codex β’ Live transcripts, plans, tool activity, and permission approvals β’ Direct operation over your SSH or Mosh hosts; no proprietary relay β’ Auto Mosh-to-SSH fallback per host β’ On-device voice input β’ Customizable accessory bar with YAML import/export β’ Live Activities for active sessions β’ Ed25519 and ECDSA SSH key generation and import β’ Optional Face ID protection for stored credentials β’ Trust-On-First-Use host-key verification β’ Anonymous, opt-out product analytics; no tracking or ads CONVERSATION REQUIREMENTS β’ A saved SSH-accessible host with Node.js 22 or later and npm β’ Authentication with the selected agent provider when prompted β’ Shellton resolves the official ACP adapter through npx on demand; users do not install a separate Shellton daemon or generic ACP service TERMINAL REQUIREMENTS β’ iOS 17.0 or later β’ An SSH server you can connect to β’ mosh-server on the remote host for persistent Mosh sessions (optional) SHELLTON PRO An optional auto-renewable subscription unlocks voice input, agent conversations, custom accessory bars, and session-continuity tools. Payment is charged to your Apple ID; the subscription renews automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel it in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://datons.github.io/shellton-site/privacy/
Canvas UI Kit
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Canvas is a universal React Native UI kit, and this is its reference app: the same component library running natively on your device rather than described in a web page. Browse the full catalog of components, from buttons and inputs through data tables, calendars, and charts. Every entry pairs a live, interactive example with its complete prop reference, so you can tap, type, drag, and toggle each control to see exactly how it behaves before you write any code. WHAT IS INSIDE - Live examples for every component, running as real native views - Full prop tables, generated from the library's own TypeScript source - Design tokens for color, typography, spacing, and layout - Templates and patterns showing how components compose into real screens - Instant search across the entire catalog - Light and dark themes, plus a glass surface mode BUILT THE WAY iOS EXPECTS Canvas components follow iOS design conventions, driven by a single component API. This app is the clearest way to see that: it is built entirely from the library it documents. Canvas is free and open source under the MIT license. No account, no sign-in, no ads, and no tracking of any kind.
Screenshots
Verdict
Shellton and Canvas UI Kit are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Shellton | Canvas UI Kit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.0 | 16.4 β better |
| Further details β not scored | ||
| Size | 46 MB | 48 MB |
| Age rating | 17+ | 4+ |
| Developer | Jesus Lopez | Robert Nannier |
In-app purchases
Shellton
No in-app purchases
Canvas UI Kit
No in-app purchases









