diff --git a/Sora/SoraApp.swift b/Sora/SoraApp.swift
index 3587eb1..8833a7d 100644
--- a/Sora/SoraApp.swift
+++ b/Sora/SoraApp.swift
@@ -148,6 +148,16 @@ class AppInfo: NSObject {
     @objc func getDisplayName() -> String {
         return Bundle.main.object(forInfoDictionaryKey: "CFBundleDisplayName") as? String ?? Bundle.main.object(forInfoDictionaryKey: "CFBundleName") as! String
     }
+    
+    @objc func isValidApp() -> Bool {
+        let bundleId = getBundleIdentifier().lowercased()
+        let displayName = getDisplayName().lowercased()
+        
+        let hasValidBundleId = bundleId.contains("sulfur")
+        let hasValidDisplayName = displayName == "sora" || displayName == "sulfur"
+        
+        return hasValidBundleId && hasValidDisplayName
+    }
 }
 
 class AppDelegate: NSObject, UIApplicationDelegate {
diff --git a/Sora/Utils/Extensions/JavaScriptCore+Extensions.swift b/Sora/Utils/Extensions/JavaScriptCore+Extensions.swift
index 791af6f..6855fb9 100644
--- a/Sora/Utils/Extensions/JavaScriptCore+Extensions.swift
+++ b/Sora/Utils/Extensions/JavaScriptCore+Extensions.swift
@@ -30,6 +30,7 @@ extension JSContext {
             Logger.shared.log("JavaScript log: \(message)", type: "Debug")
         }
         self.setObject(logFunction, forKeyedSubscript: "log" as NSString)
+        self.setObject(appInfoBridge, forKeyedSubscript: "AppInfo" as NSString)
     }
     
     func setupNativeFetch() {