diff --git a/bincio/dev.py b/bincio/dev.py
index 8bf87fd..24b5292 100644
--- a/bincio/dev.py
+++ b/bincio/dev.py
@@ -148,8 +148,10 @@ def dev(
     env = {
         **os.environ,
         "BINCIO_DATA_DIR": str(data),
-        "PUBLIC_EDIT_URL": "",          # empty = proxy /api/* to bincio serve
-        "VITE_API_PORT": str(api_port), # picked up by astro.config.mjs if needed
+        "PUBLIC_EDIT_URL": "",                          # empty = proxy /api/* to bincio serve
+        "PUBLIC_EDIT_ENABLED": "true" if has_auth else "",  # show edit/upload UI in VPS mode
+        "PUBLIC_MOBILE_APP": "",                        # Record/Convert tabs off by default
+        "VITE_API_PORT": str(api_port),                 # picked up by astro.config.mjs
     }
 
     # Start astro dev in foreground (Ctrl+C stops everything)
diff --git a/site/src/components/ActivityDetail.svelte b/site/src/components/ActivityDetail.svelte
index e5cfd1f..ea242f8 100644
--- a/site/src/components/ActivityDetail.svelte
+++ b/site/src/components/ActivityDetail.svelte
@@ -13,7 +13,8 @@
   export let base: string = '/';
   export let athlete: AthleteZones | null = null;
 
-  const editUrl = import.meta.env.PUBLIC_EDIT_URL;
+  const editUrl = import.meta.env.PUBLIC_EDIT_URL ?? '';
+  const editEnabled = editUrl !== '' || import.meta.env.PUBLIC_EDIT_ENABLED === 'true';
 
   let detail: ActivityDetail | null = null;
   let error = '';
@@ -89,7 +90,7 @@
 
 <svelte:window on:keydown={onKeydown} />
 
-{#if editOpen && editUrl}
+{#if editOpen && editEnabled}
   <EditDrawer activityId={activity.id} {editUrl} on:saved={onSaved} on:close={() => editOpen = false} />
 {/if}
 
@@ -176,7 +177,7 @@
     </div>
     <div class="flex items-center gap-3">
       <h1 class="text-2xl font-bold text-white">{displayTitle}</h1>
-      {#if editUrl}
+      {#if editEnabled}
         <button
           class="text-xs px-2 py-0.5 rounded border border-zinc-700 text-zinc-400 hover:border-zinc-500 hover:text-white transition-colors shrink-0"
           on:click={() => editOpen = true}
diff --git a/site/src/components/EditDrawer.svelte b/site/src/components/EditDrawer.svelte
index e2ba5c5..9397030 100644
--- a/site/src/components/EditDrawer.svelte
+++ b/site/src/components/EditDrawer.svelte
@@ -36,6 +36,7 @@
   let uploading = false;
   let fileInput: HTMLInputElement;
 
+  // editUrl is empty in multi-user VPS mode — the Vite proxy forwards /api/* to bincio serve.
   const api = `${editUrl}/api/activity/${activityId}`;
 
   async function load() {
diff --git a/site/src/layouts/Base.astro b/site/src/layouts/Base.astro
index 1404660..7439464 100644
--- a/site/src/layouts/Base.astro
+++ b/site/src/layouts/Base.astro
@@ -10,6 +10,10 @@ interface Props {
 }
 const { title = 'BincioActivity', description = 'Your personal activity stats', public: isPublicPage = false } = Astro.props;
 const editUrl = import.meta.env.PUBLIC_EDIT_URL ?? '';
+// Edit UI is enabled when PUBLIC_EDIT_URL is set (single-user bincio-edit mode)
+// OR when PUBLIC_EDIT_ENABLED=true (multi-user VPS mode — API proxied at /api/).
+const editEnabled = editUrl !== '' || import.meta.env.PUBLIC_EDIT_ENABLED === 'true';
+const mobileApp = import.meta.env.PUBLIC_MOBILE_APP === 'true';
 const baseUrl = import.meta.env.BASE_URL ?? '/';
 
 // Read root index.json at build time to detect instance configuration.
@@ -163,8 +167,12 @@ try {
       <!-- Per-user nav links — updated by user-widget script in multi-user mode -->
       <a id="nav-stats"   href={singleHandle ? `${baseUrl}u/${singleHandle}/stats/`   : `${baseUrl}stats/`}   data-user-path="stats/"   class="text-sm text-zinc-400 hover:text-white transition-colors">Stats</a>
       <a id="nav-athlete" href={singleHandle ? `${baseUrl}u/${singleHandle}/athlete/` : `${baseUrl}athlete/`} data-user-path="athlete/" class="text-sm text-zinc-400 hover:text-white transition-colors">Athlete</a>
-      <a id="nav-record"  href={singleHandle ? `${baseUrl}u/${singleHandle}/record/`  : `${baseUrl}record/`}  data-user-path="record/"  class="text-sm text-zinc-400 hover:text-white transition-colors">Record</a>
-      <a href={`${baseUrl}convert/`} class="text-sm text-zinc-400 hover:text-white transition-colors">Convert</a>
+      {mobileApp && (
+        <a id="nav-record" href={singleHandle ? `${baseUrl}u/${singleHandle}/record/` : `${baseUrl}record/`} data-user-path="record/" class="text-sm text-zinc-400 hover:text-white transition-colors">Record</a>
+      )}
+      {mobileApp && (
+        <a href={`${baseUrl}convert/`} class="text-sm text-zinc-400 hover:text-white transition-colors">Convert</a>
+      )}
 
       <div class="ml-auto flex items-center gap-1">
         <!-- Logout button — hidden until logged in -->
@@ -174,7 +182,7 @@ try {
           class="text-xs text-zinc-500 hover:text-white transition-colors px-2 h-8"
           aria-label="Log out"
         >Log out</button>
-        {editUrl && (
+        {editEnabled && (
           <button
             id="upload-btn"
             class="text-zinc-400 hover:text-white transition-colors w-8 h-8 flex items-center justify-center rounded-md hover:bg-zinc-800 text-base"
@@ -191,7 +199,7 @@ try {
     </div>
   </nav>
 
-  {editUrl && (
+  {editEnabled && (
     <!-- Add activity modal -->
     <div
       id="upload-modal"
@@ -360,7 +368,7 @@ try {
     </script>
   )}
 
-  {editUrl && (
+  {editEnabled && (
     <script define:vars={{ editUrl, baseUrl }}>
       const modal         = document.getElementById('upload-modal');
       const openBtn       = document.getElementById('upload-btn');