Item
¥0CNY
Screenshots come from the App Store listing. They are shown at full aspect ratio, never cropped. Click to enlarge.
From the App Store SourceAgent (AI coding) - Plan mode: conversational clarify phase (capped rounds), then plan generation - Plan lint gate — plans are validated before code mode; bad plans bounce back - Deliberate Plan→Code handoff with banner in Agent tab - Step-by-step plan execution (run remaining / per-step), per-step review cards - Per-card Undo on agent file writes, backed by a shared step-history ledger (max 50 entries, per project) - File tools: create, insert, delete, move, copy — with gated tool selection per message - Image picker + clipboard attachments to chats; streaming responses with haptics - Role models: separate plan/code models, tiered by device RAM, with user overrides Models - Local GGUF inference via llama.cpp (Metal GPU layer probing/splitting, auto thread count, sampling params, grammar-constrained tool calls) - Model browser: recommended / downloaded / HuggingFace catalog with infinite scroll - Download manager, custom model entry, per-model JSON sidecars - BYOK: OpenAI-compatible providers, keys in SecureStore, effort levels, redaction - IDE-compat server: OpenAI/Ollama-style endpoints (/v1/chat/completions, /api/chat, …) so external IDEs can use the phone's models Workspace (mobile or desktop editor) - File tree with open-file tabs (cap, dirty-close prompts), new/rename/copy/delete - Drag-to-move files/folders (long-press to drag) - Syntax highlighting for multiple languages, inline autocomplete suggestions - Project-wide find, diagnostics bar, per-step undo/revert in editor - JavaScript sandbox runner, HTML/app/image/doc preview via WebView - Share/export files, error review screen for pasting errors to the model Projects & connectivity - Project create/import (document picker, clipboard), GitHub repo import (zip codeload with binary/junk filtering), project export/zip - On-device HTTP server + WebSocket with per-install auth token - Desktop client (Vite+React+Monaco) bundled into the app — phone serves the full desktop UI locally; desktop has Monaco editor, terminal panel, search panel, workspace history - api-server backend: projects/files/run-stop/search/import endpoints, LLM agent chat (streaming), model management, preview route, billing/legal
The app itself is free to download, and it has 11 in-app purchase items.
The developer is CHRISTOPHER MICHAEL STAATS, and the app identifier is com.llmbrain.app.
It was first released on 2026-08-14, according to our own database record.
Every number in these answers comes from the data shown above on this page.