diff --git a/apps.json b/apps.json
index 2cbbfeea..9c14fef9 100644
--- a/apps.json
+++ b/apps.json
@@ -4191,6 +4191,14 @@
         ],
         "url": "https://github.com/YunoHost-Apps/simple-torrent_ynh"
     },
+    "simplex": {
+        "category": "communication",
+        "state": "working",
+        "subtags": [
+            "chat"
+        ],
+        "url": "https://github.com/YunoHost-Apps/simplex_ynh"
+    },
     "sitemagiccms": {
         "category": "publishing",
         "level": 8,