3c88e16ae5
Systematic trace of the activation funnel (store listing -> docs setup guide -> in-app onboarding -> connect flow) after #113 showed a docs 404 bug had slipped through. Fixes found in this pass: - README.md and CONTRIBUTING.md still told developers to run `npm install -g opencode` (missing -ai), the exact 404 #113 fixed everywhere else. Same package-name fix applied here. - src/lib/diagnostics.ts: the health probe reported ok:true for any resolved fetch, including 401/403/404/500 responses. A wrong password or broken server therefore classified as "Health endpoint responded - connection actually works now.", contradicting the error shown right next to it. Health now requires a real 2xx; root-reachability probe explicitly opts out (requireOk: false) to keep its existing reachability-only semantics (already encoded in diagnostics-classify.test.ts). - docs-site/vs-termux: architecture explainer described /session/{id}/events and /session/{id}/chat, neither of which exists; the app actually uses /global/event and /session/{id}/prompt_async (src/lib/sdk.ts). - docs-site/features: opencode repo link pointed at github.com/opencode-ai/opencode instead of github.com/sst/opencode, the org used everywhere else in the docs. - Stale "v0.4.3" version strings (README x3, docs-site/download x2) bumped to v0.4.7, the actual latest shipped release confirmed live on GitHub Releases and the F-Droid repo index. Fixed the associated Android min-OS contradiction (7.0 vs 8.0+) to 7.0, matching the live F-Droid manifest's minSdkVersion 24. - Dropped stale "GPT-4" model naming on 3 docs-site pages, consistent with the model-agnostic policy already applied to the Play listing in #83. See PR body for the found-not-fixed list (Play Console listing drift, GitHub Sponsors not enabled, a Cloud-vs-waitlist messaging conflict) that need a product/human decision rather than a code fix. Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
337 lines
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HTML
337 lines
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<title>AI Coding on Android: OpenCode Mobile vs. ChatGPT & Copilot</title>
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<meta name="description" content="Compare OpenCode Mobile vs. ChatGPT and GitHub Copilot on Android. Self-hosted, offline-capable, with real terminal access — not just a chat window." />
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<meta name="keywords" content="AI coding assistant android, code with AI on android, opencode android vs chatgpt, best ai code editor android, ai coding on phone, self-hosted AI coding android" />
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<meta property="og:title" content="AI Coding on Android: OpenCode Mobile vs. ChatGPT & Copilot" />
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<meta property="og:description" content="Compare OpenCode Mobile vs. ChatGPT and GitHub Copilot on Android. Self-hosted, offline-capable, with real terminal access — not just a chat window." />
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<meta name="twitter:title" content="AI Coding on Android: OpenCode Mobile vs. ChatGPT & Copilot" />
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<meta name="twitter:description" content="Compare OpenCode Mobile vs. ChatGPT and GitHub Copilot on Android — self-hosted, offline, real terminal." />
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<div class="wrap">
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<nav class="crumbs" aria-label="Breadcrumb">
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<a href="../">OpenCode Mobile</a> › Comparison
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</nav>
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</div>
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<main>
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<section>
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<div class="wrap">
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<h1>AI Coding on Android: OpenCode Mobile vs. Browser-Based Tools</h1>
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<p class="lead">
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Most "AI coding on Android" options are just chat windows — you paste code in,
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copy suggestions out, and manually apply changes yourself. OpenCode Mobile is different:
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it drives a real <a href="https://opencode.ai">opencode</a> agent running on your own machine,
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streams the session live to your phone, and lets you approve file edits and shell commands
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directly from Android.
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</p>
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<div class="cta-box">
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<p>Ready to try it? OpenCode Mobile is free and open-source.</p>
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<a class="btn" href="../download/">Download for Android</a>
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</div>
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</div>
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</section>
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<section>
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<div class="wrap">
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<h2>Feature comparison</h2>
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<p class="muted">How OpenCode Mobile stacks up against the most common alternatives people reach for on Android.</p>
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<div class="table-wrap">
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<table>
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<thead>
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<tr>
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<th>Feature</th>
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<th>OpenCode Mobile</th>
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<th>ChatGPT (mobile browser)</th>
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<th>GitHub Copilot (mobile)</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>Works offline / on LAN</td>
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<td class="yes">Yes — connects to your local server via Wi-Fi or Tailscale</td>
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<td class="no">No — requires internet to OpenAI servers</td>
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<td class="no">No — requires internet to GitHub servers</td>
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</tr>
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<tr>
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<td>Self-hosted / private</td>
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<td class="yes">Yes — your server, your API keys, your data</td>
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<td class="no">No — all prompts and code go to OpenAI</td>
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<td class="no">No — code sent to GitHub/Microsoft</td>
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</tr>
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<tr>
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<td>Terminal / shell access</td>
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<td class="yes">Yes — agent can run shell commands on your machine</td>
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<td class="no">No — chat only</td>
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<td class="partial">Limited — IDE-embedded only, no Android client</td>
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</tr>
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<tr>
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<td>Streaming responses</td>
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<td class="yes">Yes — live token streaming from the agent</td>
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<td class="yes">Yes — streamed in browser</td>
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<td class="partial">Partial — depends on client</td>
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</tr>
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<tr>
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<td>Multi-file context</td>
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<td class="yes">Yes — agent reads your whole project tree</td>
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<td class="partial">Partial — paste manually, limited context</td>
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<td class="partial">Partial — IDE context, no Android app</td>
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</tr>
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<tr>
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<td>Applies diffs / edits files</td>
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<td class="yes">Yes — agent writes changes, you approve on phone</td>
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<td class="no">No — copy-paste only</td>
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<td class="no">No standalone Android client</td>
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</tr>
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<tr>
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<td>Free & open-source</td>
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<td class="yes">Yes — MIT licensed, no subscription</td>
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<td class="partial">Free tier, closed source</td>
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<td class="partial">Free tier, closed source</td>
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</tr>
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<tr>
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<td>Bring your own LLM</td>
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<td class="yes">Yes — any provider opencode supports (Claude, GPT, Gemini, local models)</td>
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<td class="no">OpenAI models only</td>
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<td class="no">GitHub Copilot models only</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</section>
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<section>
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<div class="wrap">
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<h2>Real use cases: coding from your phone</h2>
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<div class="card">
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<h3>Code review on the go</h3>
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<p>
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You get a Slack ping about a PR while away from your desk. With OpenCode Mobile,
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open the agent on your phone, ask it to pull the branch and summarize the diff,
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then drill into any file with follow-up questions. The agent runs on your machine —
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it has full repo access, not just whatever you pasted into a chat.
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</p>
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<p class="muted">
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With ChatGPT on Android you would need to manually copy each file's content into
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the chat, losing cross-file context and having to apply feedback yourself.
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</p>
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</div>
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<div class="card">
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<h3>Hotfixes from your phone</h3>
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<p>
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Production is down and you are not near a computer. Open OpenCode Mobile, describe
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the bug, and let the agent locate the offending code, propose a fix, and apply it.
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You review and approve the diff on your phone, then trigger your deploy pipeline —
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all without opening a laptop.
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</p>
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<p class="muted">
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Browser-based AI tools require you to find the right file, copy it in, copy the
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fix out, and open a separate terminal or web IDE to actually commit it.
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</p>
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</div>
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<div class="card">
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<h3>Exploring an unfamiliar codebase</h3>
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<p>
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Onboarding to a new project or returning to old code after months away? Ask the
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agent to map the directory structure, explain the architecture, or trace how a
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specific function is called. Because opencode has full filesystem access on your
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server, it can answer questions about any file without you having to find and
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paste it first.
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</p>
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<p class="muted">
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Self-hosted also means sensitive internal code never leaves your network —
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important for proprietary or client work.
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</p>
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</div>
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</div>
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</section>
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<section>
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<div class="wrap">
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<h2>Why self-hosted AI coding matters on mobile</h2>
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<p>
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When you use a browser-based AI assistant, every snippet of code you share travels
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to a third-party server. For personal projects that may be fine, but for work code,
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client projects, or anything under NDA it is a real risk. OpenCode Mobile keeps
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traffic on your own network: the phone talks to your server over your LAN or a
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private Tailscale tunnel, and the server talks to whichever LLM API you configure
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— or a fully local model with no external calls at all.
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</p>
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<p>
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The other advantage is cost control. Browser AI tools bill per message or per month.
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With opencode you supply your own API key and pay only for tokens used — or run a
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free local model like Ollama and pay nothing.
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</p>
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</div>
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</section>
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<section>
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<div class="wrap">
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<h2>Frequently asked questions</h2>
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<h3>Can I do real AI-assisted coding on Android?</h3>
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<p>
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Yes. OpenCode Mobile connects to an opencode server running on your laptop or home
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machine and streams the full agent session to your phone. You get the same file
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editing, terminal execution, and multi-file context you would at a desktop — just
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controlled from Android.
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</p>
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<h3>How is OpenCode Mobile different from using ChatGPT on Android?</h3>
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<p>
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ChatGPT's Android app and mobile browser are chat interfaces — you paste code, get
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suggestions, and copy them back manually. OpenCode Mobile drives a real opencode
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agent on your server: it reads your files, runs shell commands, applies diffs, and
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streams results live. No copy-paste loop.
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</p>
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<h3>Does OpenCode Mobile work without an internet connection?</h3>
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<p>
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If your opencode server is on the same local network as your phone (or reachable via
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<a href="../guide/">Tailscale</a>), OpenCode Mobile works fully without public internet.
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The server handles LLM calls; if you point it at a local model, the entire flow is offline.
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</p>
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<h3>Is OpenCode Mobile free?</h3>
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<p>
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Yes. OpenCode Mobile is free and open-source (MIT licensed). The app itself has no
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subscription. LLM costs depend on the provider you configure on your opencode server —
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you can use any API key you already have, or a free local model.
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</p>
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<div class="cta-box">
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<p>Get started in minutes — <a href="../guide/">read the setup guide</a> or go straight to download.</p>
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<a class="btn" href="../download/">Download for Android</a>
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</div>
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</div>
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</section>
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</main>
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<footer>
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<div class="wrap">
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<p>
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<a href="../">Home</a>
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<a href="../download/">Download</a>
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<a href="../features/">Features</a>
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<a href="../guide/">Setup guide</a>
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<a href="https://github.com/dzianisv/opencode-mobile">GitHub</a>
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<a href="../privacy/">Privacy policy</a>
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</p>
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<p class="muted">Free and open-source. Built by VIBE TECHNOLOGIES, LLC.</p>
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</div>
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</footer>
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</body>
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</html>
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