diff --git a/.gitmodules b/.gitmodules
index e66d817b31c7c..37bd4602431a4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,6 +10,10 @@
 	path = admin/tool/ldapsync
 	url = https://github.com/ucsf-education/moodle-admin-tool-ldapsync
 	branch = MOODLE_404_STABLE
+[submodule "availability/condition/mobileapp"]
+	path = availability/condition/mobileapp
+	url = https://github.com/ucsf-education/moodle-availability_mobileapp
+	branch = UCSFCLE_403_STABLE
 [submodule "blocks/attendance"]
 	path = blocks/attendance
 	url = https://github.com/danmarsden/moodle-block_attendance
diff --git a/availability/condition/mobileapp b/availability/condition/mobileapp
new file mode 160000
index 0000000000000..8bc841fe13c94
--- /dev/null
+++ b/availability/condition/mobileapp
@@ -0,0 +1 @@
+Subproject commit 8bc841fe13c940bb8abf792f5198a742952a21e5