diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/LookupNumberActivity.java b/app/src/main/java/dummydomain/yetanothercallblocker/LookupNumberActivity.java
index fa7e2e6..b991a4f 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/LookupNumberActivity.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/LookupNumberActivity.java
@@ -5,6 +5,8 @@ import android.content.ClipData;
 import android.content.ClipDescription;
 import android.content.ClipboardManager;
 import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.text.TextUtils;
@@ -109,6 +111,13 @@ public class LookupNumberActivity extends AppCompatActivity {
         ReviewsActivity.startForNumber(this, getPureNumber());
     }
 
+    public void onAddReviewButtonClick(View view) {
+        if (isWrongNumberInput()) return;
+
+        Uri uri = Uri.parse(YacbHolder.getWebService().getWebReviewsUrlPart() + getPureNumber());
+        IntentHelper.startActivity(this, new Intent(Intent.ACTION_VIEW, uri));
+    }
+
     public void onClearNumberButtonClick(View view) {
         phoneNumberInput.setText("");
         clearOutput();
diff --git a/app/src/main/res/layout/activity_lookup_number.xml b/app/src/main/res/layout/activity_lookup_number.xml
index 2391ed3..54faaa9 100644
--- a/app/src/main/res/layout/activity_lookup_number.xml
+++ b/app/src/main/res/layout/activity_lookup_number.xml
@@ -62,6 +62,12 @@
             android:onClick="onLoadReviewsButtonClick"
             android:text="@string/lookup_load_reviews" />
 
+        <Button
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:onClick="onAddReviewButtonClick"
+            android:text="@string/add_web_review" />
+
         <TextView
             android:id="@+id/reviews_phone_number"
             android:layout_width="wrap_content"