diff --git a/resources/update-mobile-version.sh b/resources/update-mobile-version.sh
new file mode 100755
index 000000000..f6137bdde
--- /dev/null
+++ b/resources/update-mobile-version.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -e -u
+
+if [[ $# -ne 1 ]]; then
+    echo "Please specify a version"
+    exit 1
+fi
+
+THIS_DIR=$(cd -P "$(dirname "$(readlink "${BASH_SOURCE[0]}" || echo "${BASH_SOURCE[0]}")")" && pwd)
+VERSION=$1
+
+# iOS
+/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString ${VERSION}" ${THIS_DIR}/../ios/app/src/Info.plist
+/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString ${VERSION}" ${THIS_DIR}/../ios/app/watchos/app/Info.plist
+/usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString ${VERSION}" ${THIS_DIR}/../ios/app/watchos/extension/Info.plist
+
+# Android
+sed -i "" -e "s/appVersion=.*/appVersion=${VERSION}/" ${THIS_DIR}/../android/gradle.properties