diff --git a/app/src/main/java/com/notesapp/fragments/NoteEditorFragment.java b/app/src/main/java/com/notesapp/fragments/NoteEditorFragment.java
index 23e7ae5..8ad01a0 100644
--- a/app/src/main/java/com/notesapp/fragments/NoteEditorFragment.java
+++ b/app/src/main/java/com/notesapp/fragments/NoteEditorFragment.java
@@ -257,8 +257,11 @@ public class NoteEditorFragment extends Fragment {
     }
 
     private void saveNoteImmediately() {
-        note.setModifiedTimestamp(System.currentTimeMillis());
+        if (note.hasChanges()) {
+            note.setModifiedTimestamp(System.currentTimeMillis());
+        }
         storage.saveNote(note);
+        note.markAsSaved();
     }
 
     @Override
diff --git a/app/src/main/java/com/notesapp/models/Note.java b/app/src/main/java/com/notesapp/models/Note.java
index c0e5b01..8c5a4ad 100644
--- a/app/src/main/java/com/notesapp/models/Note.java
+++ b/app/src/main/java/com/notesapp/models/Note.java
@@ -16,6 +16,11 @@ public class Note implements Serializable {
     private long modifiedTimestamp;
     private String content;
     private List<ChecklistItem> items;
+    
+    // Track original values to detect actual changes
+    private transient String originalTitle;
+    private transient String originalContent;
+    private transient List<String> originalItemsJson;
 
     public Note() {
         this.id = 0;
@@ -24,6 +29,7 @@ public class Note implements Serializable {
         this.modifiedTimestamp = System.currentTimeMillis();
         this.content = "";
         this.items = new ArrayList<>();
+        setOriginalValues();
     }
 
     public Note(int id, String title, NoteType type) {
@@ -33,6 +39,40 @@ public class Note implements Serializable {
         this.modifiedTimestamp = System.currentTimeMillis();
         this.content = "";
         this.items = new ArrayList<>();
+        setOriginalValues();
+    }
+
+    private void setOriginalValues() {
+        originalTitle = title != null ? title : "";
+        originalContent = content != null ? content : "";
+        if (items != null) {
+            originalItemsJson = new ArrayList<>();
+            for (ChecklistItem item : items) {
+                originalItemsJson.add(item.getText() + "|" + Boolean.toString(item.isChecked()));
+            }
+        } else {
+            originalItemsJson = new ArrayList<>();
+        }
+    }
+
+    public boolean hasChanges() {
+        if (!originalTitle.equals(title)) return true;
+        if (!originalContent.equals(content)) return true;
+        
+        // Check checklist items
+        if (items != null && originalItemsJson != null) {
+            if (items.size() != originalItemsJson.size()) return true;
+            for (int i = 0; i < items.size(); i++) {
+                String expected = items.get(i).getText() + "|" + Boolean.toString(items.get(i).isChecked());
+                if (!expected.equals(originalItemsJson.get(i))) return true;
+            }
+        }
+        
+        return false;
+    }
+
+    public void markAsSaved() {
+        setOriginalValues();
     }
 
     public int getId() {