diff --git a/bin/inspect.php b/bin/inspect.php
--- a/bin/inspect.php
+++ b/bin/inspect.php
@@ -217,6 +217,29 @@
 	return "Unknown value: $value";
 }
 
+function getContentUids($db, $device_id, $folder_id) {
+    $contentSelect = $db->query(
+        "SELECT contentid FROM `syncroton_content`"
+        . " WHERE `device_id` = ? AND `folder_id` = ?",
+        $device_id, $folder_id
+    );
+
+    $contentUids = [];
+    while ($content = $db->fetch_assoc($contentSelect)) {
+        $contentUids[] = explode('::', $content['contentid'])[1];
+    }
+    return $contentUids;
+}
+
+function getImapUids($imap, $folder) {
+    $imap->select($folder);
+    $index = $imap->search($folder, 'ALL UNDELETED', true);
+    if (!$index->is_error()) {
+        return $index->get();
+    }
+    return [];
+}
+
 println("");
 foreach ($result  as $deviceId => $values) {
     println("Device: $deviceId");
@@ -239,6 +262,29 @@
         println("    Last sync: " . ($folder['lastsync'] ?? "None"));
         println("    Number of syncs: " . ($folder['counter'] ?? "None"));
         println("    Filter type: " . filterType($folder['lastfiltertype'] ?? null));
+
+        if ($messageCount != $totalCount && ($modseq == "none" || $modseq == $imapModseq)) {
+            println("    Issue Detected: The sync state seems to be inconsistent. The device should be fully synced, but the sync counts differ.");
+
+            $contentUids = getContentUids($db, $deviceId, $folderId);
+            $imapUids = getImapUids($imap, $folder['name']);
+
+            println("       The following messages are on the server, but not the device");
+            $entries = array_diff($imapUids, $contentUids);
+            foreach ($entries as $uid) {
+                println("           $uid");
+                //TODO get details from imap?
+            }
+
+            println("       The following messages are on the device, but not the server");
+            $entries = array_diff($contentUids, $imapUids);
+            foreach ($entries as $uid) {
+                println("           $uid");
+                //TODO get details from the content part?
+            }
+            println("");
+        }
+
         println("");
     }
 }