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Comparisonsvs Tauri

Tynd vs Tauri v2

Tauri and Tynd share a native WebView stack — both use wry + tao (the same Rust crates) for the window and IPC bridge. The philosophical difference is the backend language.

The core tradeoff

TyndTauri v2
Backend languageTypeScript onlyRust (with optional JS via embedded engine)
Typed RPCcreateBackend<typeof backend>() — zero codegen@tauri-apps/api — command-by-command bindings, codegen plugin required for full types
Runtime optionslite (~6.5 MB QuickJS) or full (~44 MB Bun subprocess)One binary shape
Mobile❌✅ iOS + Android
Capability ACLs❌✅ per-command / per-path / per-URL, default-deny
Plugin ecosystem❌ (no official plugins)✅ ~30 official (Stronghold, biometric, NFC, …)
IPC transportwry postMessage + custom schemesame
Binary size (empty app)~6.5 MB (lite) / ~44 MB (full)~8-12 MB

When Tynd wins

  • TypeScript-only shop. You never write Rust — the native host is precompiled and downloaded by @tynd/host’s postinstall.
  • Smaller binary. lite ships at ~6.5 MB vs Tauri’s typical ~10 MB; every MB matters on a download page.
  • Zero-codegen RPC. Rename a backend function and the compiler catches every stale frontend call. No invoke("cmd", …) strings.
  • Dual runtimes. Move between lite (small) and full (full Node/Bun) with one line in tynd.config.ts. Same source, different binary.
  • Structural security. What the frontend can call is what the backend exports. No separate allowlist to maintain.

When Tauri wins

  • Capability-based security. Fine-grained ACLs for FS paths, HTTP origins, command allowlists — a serious feature for apps handling untrusted content.
  • Mobile. iOS and Android share the same command model as desktop. Tynd is desktop-only.
  • Plugin catalog. 30+ official plugins (Stronghold encrypted storage, biometric, NFC, deep-link, autostart, persistence, positioner, …). Most common integrations are one tauri add away.
  • Cross-compilation. Tauri supports cross-compiling from one host to another. Tynd does not.
  • Richer window surface. More visual effects (Mica/Acrylic, vibrancy variants), traffic-light position on macOS, window tabbing identifier, context menu, taskbar progress / badge count.
  • Richer permissions. Permission request handlers (camera, mic, geolocation), per-webview data stores, multi-webview in one window.
  • Delta updates. Binary diff on updates; Tynd ships full binary swaps.

Where they’re tied

  • IPC stack — both use wry + tao + custom scheme. Zero TCP, no firewall prompt.
  • OS APIs that are covered by both — dialogs, clipboard, shell, notification, tray, menu, global shortcuts, FS, HTTP, store, auto-updater (Ed25519-signed manifests — Tynd uses the exact same format).
  • Code signing + notarization — both integrate signtool on Windows and codesign + notarytool on macOS.
  • Bundle formats — both ship .app / .dmg / .deb / .rpm / .AppImage / NSIS / MSI.

Migration path

Porting Tauri → Tynd:

  • Commands (#[tauri::command] fn greet(name: &str)) → backend export async function greet(name: string).
  • Events (app.emit("event", …) + await listen("event", …)) → createEmitter + api.on("event", …).
  • Plugins that Tynd has first-class (fs, http, websocket, sql, store, notification, dialog, clipboard, shell, process, global-shortcut, autolaunch, deep-link, single-instance, updater, tray, menu) → drop-in via @tynd/core/client.
  • Plugins Tynd doesn’t have (Stronghold, biometric, NFC, positioner, persisted-scope, log) → no direct equivalent; use pure-JS libs in lite or Bun-native in full.
  • Capability ACLs — not supported in Tynd. Do access control in your backend logic.

Porting Tynd → Tauri:

  • Backend exports → rewrite each as a #[tauri::command].
  • Typed RPC — you’ll need either tauri-bindgen or manually maintain .d.ts on the frontend.
  • lite runtime — N/A in Tauri (all backend code is Rust).
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