diff --git a/Dockerfile b/Dockerfile
index e35fa07..1131bbf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,10 @@ COPY . .
 ARG NEXT_PUBLIC_POCKETBASE_URL
 ENV NEXT_PUBLIC_POCKETBASE_URL=${NEXT_PUBLIC_POCKETBASE_URL}
 
+# WFDASH address the invoice match calls (overridable per phone in Settings)
+ARG NEXT_PUBLIC_WFDASH_URL=https://wfdash.apphub.co.za
+ENV NEXT_PUBLIC_WFDASH_URL=${NEXT_PUBLIC_WFDASH_URL}
+
 # Generate PWA icons
 RUN node scripts/generate-icons.js
 
diff --git a/app/settings/page.tsx b/app/settings/page.tsx
index d33a0f2..3fad176 100644
--- a/app/settings/page.tsx
+++ b/app/settings/page.tsx
@@ -6,6 +6,7 @@ import { useAuth } from '@/components/AuthProvider';
 import BottomNav from '@/components/BottomNav';
 import { getSettings, saveSettings, logout } from '@/lib/pocketbase';
 import { AppSettings, DEFAULT_SETTINGS } from '@/lib/types';
+import { DEFAULT_WFDASH_URL } from '@/lib/invoiceCheck';
 import { cn } from '@/lib/utils';
 import { setDarkMode, applyDarkMode } from '@/lib/theme';
 import {
@@ -305,7 +306,7 @@ export default function SettingsPage() {
                 <div className="pr-3">
                   <span className="text-sm font-semibold text-[#26251e] block">Invoice check</span>
                   <span className="text-[11px] text-[rgba(38,37,30,0.55)]">
-                    Adds a Check invoice button after you photograph an invoice. Only advises; nothing else changes.
+                    After you photograph an invoice, items that match it exactly are marked collected (you can undo). Anything unsure is left for you.
                   </span>
                 </div>
                 <button
@@ -326,13 +327,13 @@ export default function SettingsPage() {
               </div>
               {settings.aiCheckEnabled && (
                 <label className="block">
-                  <span className="text-[11px] text-[rgba(38,37,30,0.55)]">WFDASH address</span>
+                  <span className="text-[11px] text-[rgba(38,37,30,0.55)]">WFDASH address (leave empty to use the default)</span>
                   <input
                     type="url"
                     inputMode="url"
                     value={settings.aiCheckUrl}
                     onChange={(e) => updateSetting('aiCheckUrl', e.target.value.trim())}
-                    placeholder="https://your-wfdash-address"
+                    placeholder={process.env.NEXT_PUBLIC_WFDASH_URL || DEFAULT_WFDASH_URL}
                     className="mt-1 w-full h-11 rounded-xl border border-[rgba(38,37,30,0.15)] bg-white px-3 text-[14px]"
                   />
                 </label>
diff --git a/lib/invoiceCheck.ts b/lib/invoiceCheck.ts
index a631caa..b164317 100644
--- a/lib/invoiceCheck.ts
+++ b/lib/invoiceCheck.ts
@@ -2,10 +2,13 @@
 // everything assigned to this driver at that supplier. Exact matches (same
 // product, invoice quantity = ordered quantity) are marked collected through
 // the same writes the bulk-collect button uses, and can be undone.
-// Off unless the driver switches it on in Settings → Beta.
+// On by default; a driver can switch it off in Settings → Beta.
 
 import { pb, getSettings, updateStockCollectionStatus } from './pocketbase';
 
+/** Used when neither the phone's setting nor the build sets an address. */
+export const DEFAULT_WFDASH_URL = 'https://wfdash.apphub.co.za';
+
 export interface MatchedLine {
   id: string;
   kind: 'customer' | 'stock';
@@ -33,11 +36,11 @@ export interface InvoiceMatchResult {
 /** Fired by the PO buttons; InvoiceMatchHost (once per page) does the work. */
 export const RUN_EVENT = 'invoice-match:run';
 
-/** The WFDASH address to call, or '' when the helper is off or not set up. */
+/** The WFDASH address to call, or '' when the driver switched the helper off. */
 export function invoiceCheckBase(): string {
   const s = getSettings();
   if (!s.aiCheckEnabled) return '';
-  const url = (s.aiCheckUrl || process.env.NEXT_PUBLIC_WFDASH_URL || '').trim();
+  const url = (s.aiCheckUrl || process.env.NEXT_PUBLIC_WFDASH_URL || DEFAULT_WFDASH_URL).trim();
   return url.replace(/\/+$/, '');
 }
 
diff --git a/lib/pocketbase.ts b/lib/pocketbase.ts
index e6a8873..eec8b20 100644
--- a/lib/pocketbase.ts
+++ b/lib/pocketbase.ts
@@ -1,5 +1,6 @@
 import PocketBase from 'pocketbase';
 import {
+  AI_CHECK_DEFAULT_VERSION,
   AppSettings,
   DEFAULT_SETTINGS,
   OrderItem,
@@ -914,7 +915,16 @@ export const getSettings = (): AppSettings => {
   const saved = localStorage.getItem(SETTINGS_KEY);
   if (saved) {
     try {
-      return { ...DEFAULT_SETTINGS, ...JSON.parse(saved) };
+      const stored = JSON.parse(saved) as Partial<AppSettings>;
+      const settings: AppSettings = { ...DEFAULT_SETTINGS, ...stored };
+      // Phones saved while the invoice match was off by default: switch it
+      // on once. Saved back so a driver's later "off" is kept.
+      if ((stored.aiCheckDefaultVersion ?? 0) < AI_CHECK_DEFAULT_VERSION) {
+        settings.aiCheckEnabled = true;
+        settings.aiCheckDefaultVersion = AI_CHECK_DEFAULT_VERSION;
+        localStorage.setItem(SETTINGS_KEY, JSON.stringify(settings));
+      }
+      return settings;
     } catch {
       return DEFAULT_SETTINGS;
     }
diff --git a/lib/types.ts b/lib/types.ts
index a9bae88..c9ab228 100644
--- a/lib/types.ts
+++ b/lib/types.ts
@@ -264,12 +264,19 @@ export interface AppSettings {
   darkMode: boolean;
   fontSize: 'small' | 'normal' | 'large';
   offlineMode: boolean;
-  /** Beta: show a "Check invoice" helper on POs. Off by default; changes nothing else. */
+  /** Beta: match an invoice photo and collect exact matches. On by default. */
   aiCheckEnabled: boolean;
-  /** WFDASH base URL the helper calls, e.g. https://wfdash.example.com */
+  /** WFDASH base URL the helper calls; empty uses the built-in address. */
   aiCheckUrl: string;
+  /**
+   * Bumped when the invoice match default changes. A phone saved before the
+   * match became default-on gets it switched on once; a later "off" sticks.
+   */
+  aiCheckDefaultVersion: number;
 }
 
+export const AI_CHECK_DEFAULT_VERSION = 1;
+
 export const DEFAULT_SETTINGS: AppSettings = {
   locationInterval: 60,
   minimumAccuracy: 50,
@@ -277,8 +284,9 @@ export const DEFAULT_SETTINGS: AppSettings = {
   darkMode: false,
   fontSize: 'normal',
   offlineMode: false,
-  aiCheckEnabled: false,
+  aiCheckEnabled: true,
   aiCheckUrl: '',
+  aiCheckDefaultVersion: AI_CHECK_DEFAULT_VERSION,
 };
 
 export const PROBLEM_TYPES = [