diff --git a/js/script.js b/js/script.js
index 8dc3d31..a264d2d 100644
--- a/js/script.js
+++ b/js/script.js
@@ -67,6 +67,19 @@ function getInviteCode() {
   return new URLSearchParams(window.location.search).get("inviteCode");
 }
 
+// Picks where to send the user after a successful submission, based on platform.
+function getDownloadRedirectUrl() {
+  const ua = navigator.userAgent || "";
+
+  if (/android/i.test(ua)) {
+    return "https://myket.ir/app/com.adv.winsoo";
+  }
+  if (/iphone|ipad|ipod/i.test(ua)) {
+    return "https://web.winsoo.ir";
+  }
+  return "https://winsoo.ir/#Download";
+}
+
 const PERSIAN_DIGITS = "۰۱۲۳۴۵۶۷۸۹";
 const ARABIC_INDIC_DIGITS = "٠١٢٣٤٥٦٧٨٩";
 
@@ -157,12 +170,17 @@ async function handleSubmit() {
     }
 
     setMessage("ثبت شماره با موفقیت انجام شد.", "success");
+    setButtonLoading(true, "در حال انتقال...");
+    setTimeout(() => {
+      window.location.href = getDownloadRedirectUrl();
+    }, 1200);
+    return;
   } catch (err) {
     console.error(err);
     setMessage(err.message || "خطا در ارسال اطلاعات. لطفاً دوباره تلاش کنید.", "error");
-  } finally {
-    setButtonLoading(false);
   }
+
+  setButtonLoading(false);
 }
 
 submitBtn.addEventListener("click", handleSubmit);