diff --git a/src/ua-parser.js b/src/ua-parser.js
index 847fa96..b529986 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -721,7 +721,7 @@
 
             // iOS/macOS
             /ip[honead]{2,4}\b(?:.*os ([\w]+) like mac|; opera)/i,              // iOS
-            /ios;fbsv\/([\d\.]+)/i,
+            /(?:ios;fbsv\/|iphone.+ios[\/ ])([\d\.]+)/i,
             /cfnetwork\/.+darwin/i
             ], [[VERSION, /_/g, '.'], [NAME, 'iOS']], [
             /(mac os x) ?([\w\. ]*)/i,
diff --git a/test/os-test.json b/test/os-test.json
index 7e1e157..79aed3f 100644
--- a/test/os-test.json
+++ b/test/os-test.json
@@ -773,6 +773,15 @@
             "version" : "13.6.1"
         }
     },
+    {
+        "desc": "iOS with Slack App",
+        "ua": "com.tinyspeck.chatlyio/23.04.10 (iPhone; iOS 16.4.1; Scale/3.00)",
+        "expect":
+        {
+            "name"    : "iOS",
+            "version" : "16.4.1"
+        }
+    },
     {
         "desc"    : "watchOS",
         "ua"      : "server-bag [Watch OS,8.4,19S546,Watch3,4]",