diff --git a/main.go b/main.go
index 8e8622d..4830cab 100644
--- a/main.go
+++ b/main.go
@@ -247,8 +247,16 @@ func contains(slice []string, item string) bool {
         }
         return false
 }
-func processAPK(filePath string) Package {
+func processAPK(filePath string,indexCache Index) Package {
     fmt.Printf("Processing APK: %s\n", filePath)
+    for _, pkgs := range indexCache.Packages {
+      for _, pkg := range pkgs {
+        if pkg.ApkName == filePath {
+          log.Printf("Warning: using %s metadata from cache",filePath)
+          return pkg
+        }
+      }
+    }
     var buf bytes.Buffer
     enc := xml.NewEncoder(&buf)
     
@@ -394,7 +402,7 @@ func getFilenameFromURL(urlStr string) (string, error) {
 
 
 // Function to handle downloading and processing APKs from a release
-func handleRelease(release Release)  []Package {
+func handleRelease(release Release,indexCache Index)  []Package {
   var packages []Package
 	for _, asset := range release.Assets {
 		if !isAPK(asset.BrowserDownloadURL) {
@@ -412,7 +420,7 @@ func handleRelease(release Release)  []Package {
 			os.Exit(1)
 		}
 		}
-packageInfo := processAPK(filePath)
+packageInfo := processAPK(filePath,indexCache)
 packages = append(packages,packageInfo)
 	}
      
@@ -513,7 +521,7 @@ func signJarWithJarsigner(jarFile string, keystore string, password string, alia
 	return err, string(output)          // Возвращаем ошибку и вывод как строку
 }
 
-func createAppFromReleases(releases []Release, repo string, index int) (App, []Package,error) {
+func createAppFromReleases(releases []Release, repo string, index int,indexCache Index) (App, []Package,error) {
 	// Получаем информацию о репозитории
 	repository, err := getRepositoryInfo(repo)
 	if err != nil {
@@ -525,9 +533,9 @@ func createAppFromReleases(releases []Release, repo string, index int) (App, []P
 		return App{}, []Package{}, nil
 	}
   release := releases[index]
-  packages := handleRelease(release)
+  packages := handleRelease(release,indexCache)
   if len(packages) == 0 {
-    return createAppFromReleases(releases,repo,index+1)
+    return createAppFromReleases(releases,repo,index+1,indexCache)
     //return App{}, []Package{}, nil
   }
 	app := App{
@@ -555,16 +563,25 @@ func createAppFromReleases(releases []Release, repo string, index int) (App, []P
 
 func main() {
         var apps []App
+        var indexCache Index
         var packages map[string][]Package
         packages = make(map[string][]Package)
         var config Config
         file, err := os.Open("config.toml")
+        fileJson,errJson := os.Open("index-v1.json")
 	if err != nil {
 		log.Fatal(err)
 	}
+	if errJson != nil {
+	  log.Printf("Error opening index cache so cache will not used: %s",errJson)
+	  indexCache = Index{}
+	}
 	defer file.Close()
-
+  defer fileJson.Close()
 	// Parse the TOML file into the config struct
+	if errJson := json.NewDecoder(fileJson).Decode(&indexCache); err != nil {
+	  log.Printf("Error decoding index cache so cache will not used: %s",errJson)
+	}
 	if _, err := toml.NewDecoder(file).Decode(&config); err != nil {
 		log.Fatal(err)
 	}
@@ -591,7 +608,7 @@ for _, source := range config.BinarySources {
 		
 		var app App
 		fmt.Println("Creating app object from repository info and apk")
-		app,app_packages, err := createAppFromReleases(releases,repo,0)
+		app,app_packages, err := createAppFromReleases(releases,repo,0,indexCache)
 		if err != nil {
 		  log.Fatal("Failed to create app from releases: ",err)
 		}