[{"data":1,"prerenderedAt":283},["ShallowReactive",2],{"post-en-US-why-choose-tauri":3},{"id":4,"title":5,"body":6,"description":271,"extension":272,"meta":273,"navigation":278,"path":279,"seo":280,"stem":281,"__hash__":282},"blog\u002Fblog\u002Fen-US\u002Fwhy-choose-tauri.md","Why I Chose Tauri Over Electron for This Desktop Tool",{"type":7,"value":8,"toc":263},"minimark",[9,18,33,39,44,47,50,55,77,84,87,91,94,108,120,139,144,159,170,177,181,184,187,192,206,209,212,216,219,225,232,235,254,257],[10,11,12,13,17],"p",{},"During the technology selection phase for AuraShell, the first and most critical question wasn't \"Which frontend framework?\" but rather ",[14,15,16],"strong",{},"\"What will host our entire desktop engine?\""," For a tool that embeds directly into the Windows desktop environment, interacts deeply with the system, and must not compromise on performance, the choice of underlying framework practically defines the project's DNA.",[10,19,20,21,24,25,28,29,32],{},"We had two main options: ",[14,22,23],{},"Electron"," and ",[14,26,27],{},"Tauri",". Many assume Electron is the only way to write desktop apps with web technologies—after all, VS Code, Figma, and Discord use it. But when we examined the actual requirements of a desktop enhancement tool, the answer became overwhelmingly clear: we chose ",[14,30,31],{},"Tauri (driven by Rust)",".",[10,34,35,36,32],{},"Here are the three decisive angles: ",[14,37,38],{},"extreme performance, system-level access, and minimal bundle size",[40,41,43],"h2",{"id":42},"_1-extreme-performance-a-desktop-tool-cannot-be-a-memory-vampire","1. Extreme Performance: A desktop tool cannot be a memory vampire",[10,45,46],{},"An Electron application essentially runs your webpage inside a bundled Chromium browser. No matter how simple your app’s functionality, launching it loads an entire browser kernel: V8 engine, renderer process, GPU process, network service… Even if all you want is a weather widget on the desktop, Electron will quietly consume hundreds of megabytes of RAM.",[10,48,49],{},"This is unacceptable in a desktop enhancement context. Our users already have VS Code, Chrome, Figma open, maybe Docker and WSL running too. AuraShell, as a persistent background application, must be featherlight. Ideally, it should sit as unobtrusively as a system tray icon, only invoking the WebView2 renderer when needed.",[10,51,52],{},[14,53,54],{},"Tauri fundamentally changes the resource model:",[56,57,58,65,71],"ul",{},[59,60,61,64],"li",{},[14,62,63],{},"No bundled browser engine",": Tauri uses the operating system's native WebView (WebView2 on Windows, i.e., Edge kernel). This engine already exists on the user's machine; we merely reuse it. Zero additional runtime.",[59,66,67,70],{},[14,68,69],{},"Backend logic compiled as native Rust binary",": Rust code compiles directly to machine code, requiring no interpreter or virtual machine. Tasks like file monitoring, wallpaper layer injection, and window management are all handled by Rust at native performance levels.",[59,72,73,76],{},[14,74,75],{},"Minimal process model",": A Tauri app typically runs only two processes—the main process and the WebView renderer. Electron may spin up numerous auxiliary processes.",[10,78,79,80,83],{},"The result? AuraShell idles at roughly ",[14,81,82],{},"15MB"," of RAM and stays under 50MB even with a dynamic wallpaper playing. An Electron shell displaying only a static wallpaper can easily consume 200MB+. This order-of-magnitude difference isn't fixable with optimization; it's an architectural advantage.",[10,85,86],{},"We ran a simple test: create an empty Electron app and an empty Tauri app, launch them and do nothing. The empty Electron shell consumed ~120MB; Tauri's was ~5MB. Place a simple HTML page in each—the former shoots to 200MB, the latter stays around 15MB. In desktop tools, this gap defines the difference between \"user will uninstall\" and \"user forgot it's running.\"",[40,88,90],{"id":89},"_2-system-level-access-native-interaction-cannot-be-simulated","2. System-Level Access: Native interaction cannot be \"simulated\"",[10,92,93],{},"AuraShell is not an ordinary windowed application. We need to:",[56,95,96,99,102,105],{},[59,97,98],{},"Embed a wallpaper layer underneath desktop icons (WorkerW window)",[59,100,101],{},"Monitor file system changes to auto-organize icons",[59,103,104],{},"Create transparent, click-through, bottom-most widget windows",[59,106,107],{},"Seamlessly coexist with system tray, taskbar, and the desktop icon layer",[10,109,110,111,115,116,119],{},"These operations require direct Win32 API calls, some even involving undocumented system window handles. In Electron, you can use ",[112,113,114],"code",{},"ffi-napi"," or ",[112,117,118],{},"node-win32-api"," to invoke system APIs, but it's essentially \"diplomacy\": you're tunneling out of a browser process to reach the outside world, crossing the JS engine, Node bindings, and C++ extension layers every time—performance and reliability are compromised.",[10,121,122,123,126,127,130,131,134,135,138],{},"Some fine-grained operations are practically impossible from Electron's Node layer. For example, precisely controlling extended window styles (",[112,124,125],{},"WS_EX_LAYERED",", ",[112,128,129],{},"WS_EX_TRANSPARENT",") on the wallpaper window, monitoring specific folders via ",[112,132,133],{},"ReadDirectoryChangesW",", or communicating with the desktop icon window (",[112,136,137],{},"SysListView32","). With Electron, you'd either write a native C++ module as a workaround or abandon the feature.",[10,140,141],{},[14,142,143],{},"Tauri provides a \"native-first\" capability:",[56,145,146,153,156],{},[59,147,148,149,152],{},"The backend is directly Rust, enabling zero-overhead calls to any Win32 API. No extra binding layers, no ",[112,150,151],{},"node-gyp"," rebuild nightmares.",[59,154,155],{},"Tauri's API surface naturally supports window control, file system access, system tray, global shortcuts—things that often require extra packages or native modules in Electron.",[59,157,158],{},"More critically, Tauri allows you to handle complex system logic on the Rust side and pass only the final results as JSON to the frontend WebView. This means the frontend code is always a lightweight UI description, while the real \"heavy lifting\" happens in Rust.",[10,160,161,162,165,166,169],{},"For instance, AuraShell's icon organization requires real-time monitoring of multiple folders, triggering automatic rearrangement when files change. In Rust, we directly use the ",[112,163,164],{},"notify"," crate to listen for file system events—efficient and zero-latency. In Electron, you'd rely on Node's ",[112,167,168],{},"fs.watch",", which depends on libuv's event loop underneath; efficiency and reliability are on a different tier.",[10,171,172,173,176],{},"System-level access isn't just about \"can it run?\"—it demands ",[14,174,175],{},"native-grade responsiveness and stability",". Tauri's Rust backend makes us feel like we're writing a true Windows program, with the frontend merely a UI shell bolted on. This architecture is purpose-built for a desktop engine like ours.",[40,178,180],{"id":179},"_3-minimal-bundle-size-an-installer-should-not-download-a-browser","3. Minimal Bundle Size: An installer should not download a browser",[10,182,183],{},"We've all seen it: a user wants to try a small desktop utility, sees a 200MB download, 500MB after installation, and walks away. Electron packages bundle the entire Chromium runtime, meaning the simplest \"Hello World\" application easily exceeds 100MB.",[10,185,186],{},"For a tool like AuraShell, bundle size directly impacts distribution and conversion. Our planned promotion includes posts on V2EX, GitHub, and social media—users' first impressions often come from download speed and unpacked size. If the installer is too large, many won't even wait for it to finish.",[10,188,189],{},[14,190,191],{},"Tauri's advantage in bundle size is crushing:",[56,193,194,200,203],{},[59,195,196,197,32],{},"Tauri distributes a compiled binary, typically a few MB. Our core program is expected to be ",[14,198,199],{},"under 5MB",[59,201,202],{},"It leverages the OS-native WebView2, carrying no browser runtime. Windows 10 1803+ already includes or auto-installs WebView2 transparently.",[59,204,205],{},"Assets and frontend UI files (HTML\u002FJS\u002FCSS) are bundled into the binary but are very small after compression.",[10,207,208],{},"Compare: a typical Electron app (like Wallpaper Engine’s configuration UI) can easily be several hundred MB. Our entire desktop engine, built with Tauri, might be smaller than a high-resolution wallpaper. This contrast itself is a technical narrative: \"You're downloading not a browser in costume, but a genuinely native program.\"",[10,210,211],{},"Additionally, a small bundle means low update costs. We can release frequent patches without forcing users to download tens of MB each time—critical during the rapid iteration of the alpha phase.",[40,213,215],{"id":214},"choosing-tauri-is-choosing-a-philosophy","Choosing Tauri is choosing a philosophy",[10,217,218],{},"Electron is not without value. It has enabled countless web developers to quickly build cross-platform desktop apps, and its ecosystem and maturity are unmatched. But its original design purpose is \"bring web apps to the desktop\"—its DNA carries the heavy troops of a browser.",[10,220,221,224],{},[14,222,223],{},"AuraShell's positioning is completely different."," We're not a ported web app; we're a tool born from inside the Windows desktop. It needs to seep into every corner of the system like water, demanding extreme lightness and native feel. Tauri gives us that possibility: use the best systems language (Rust) for low-level logic, use the most flexible UI technology (web frontend) for presentation, bridged by a minimal IPC layer.",[10,226,227,228,231],{},"To sum it up: ",[14,229,230],{},"Electron hands you a Swiss army knife; Tauri hands you the operating system's own scalpel."," For a desktop engine, we need the scalpel.",[10,233,234],{},"AuraShell is currently recruiting its first 300 alpha testers. If you’d like to experience a tool powered by Rust, just a few MB in size, yet capable of fundamentally transforming your desktop, we welcome your email.",[10,236,237,238,245,248,249],{},"📧 Apply for alpha: ",[14,239,240],{},[241,242,244],"a",{"href":243},"mailto:liuxinye660@gmail.com","liuxinye660@gmail.com",[246,247],"br",{},"\n🌐 Website: ",[241,250,251],{"href":251,"rel":252},"https:\u002F\u002Faurashell.dev",[253],"nofollow",[255,256],"hr",{},[10,258,259],{},[260,261,262],"em",{},"Next post we’ll dive into technical details: how to embed a custom wallpaper layer under desktop icons using Rust and Win32 API. Stay tuned.",{"title":264,"searchDepth":265,"depth":265,"links":266},"",2,[267,268,269,270],{"id":42,"depth":265,"text":43},{"id":89,"depth":265,"text":90},{"id":179,"depth":265,"text":180},{"id":214,"depth":265,"text":215},"Why did the AuraShell team abandon Electron and choose Rust-driven Tauri for their desktop engine? Here are the technical reasons.","md",{"date":274,"readTime":275,"icon":276,"image":277},"2026-04-24","6 min read","🦀","\u002Fimages\u002Fblog\u002Fchoose-tauri.png",true,"\u002Fblog\u002Fen-us\u002Fwhy-choose-tauri",{"title":5,"description":271},"blog\u002Fen-US\u002Fwhy-choose-tauri","NxpyjJGp0YW-1y_CqytXxcQmwlBQbsm8cqcVQZKONlU",1778166895405]