diff --git a/src/lib/schema-utils.ts b/src/lib/schema-utils.ts
index a8d0458..39bb85e 100644
--- a/src/lib/schema-utils.ts
+++ b/src/lib/schema-utils.ts
@@ -29,6 +29,7 @@ export function generateSoftwareAppSchema(
             price: '0',
             priceCurrency: 'USD',
             availability: 'https://schema.org/InStock',
+            priceValidUntil: '2026-12-31',
         },
 
         description,
diff --git a/src/lib/schema.ts b/src/lib/schema.ts
index 374ef34..c350234 100644
--- a/src/lib/schema.ts
+++ b/src/lib/schema.ts
@@ -176,7 +176,9 @@ export function softwareApplicationSchema(aggregateRating?: AggregateRating) {
     offers: {
       '@type': 'Offer',
       price: '0',
-      priceCurrency: 'EUR'
+      priceCurrency: 'EUR',
+      availability: 'https://schema.org/InStock',
+      priceValidUntil: '2026-12-31'
     },
     publisher: {
       '@id': `${SITE_URL}/#organization`,
@@ -267,12 +269,16 @@ export function reviewSchema(testimonial: Testimonial) {
     itemReviewed: {
       '@type': 'SoftwareApplication',
       name: 'QR Master',
+      description: 'Professional QR code generator with dynamic QR codes, analytics, and customization.',
+      image: `${SITE_URL}/static/og-image.png`,
       applicationCategory: 'BusinessApplication',
       operatingSystem: 'Web Browser',
       offers: {
         '@type': 'Offer',
         price: '0',
-        priceCurrency: 'EUR'
+        priceCurrency: 'EUR',
+        availability: 'https://schema.org/InStock',
+        priceValidUntil: '2026-12-31'
       }
     },
     reviewRating: {
@@ -296,10 +302,14 @@ export function aggregateRatingSchema(aggregateRating: AggregateRating) {
     '@context': 'https://schema.org',
     '@type': 'Product',
     name: 'QR Master',
+    description: 'Professional QR code generator with dynamic QR codes, analytics, and customization.',
+    image: `${SITE_URL}/static/og-image.png`,
     offers: {
       '@type': 'Offer',
       price: '0',
-      priceCurrency: 'EUR'
+      priceCurrency: 'EUR',
+      availability: 'https://schema.org/InStock',
+      priceValidUntil: '2026-12-31'
     },
     aggregateRating: {
       '@type': 'AggregateRating',