diff --git a/app.json b/app.json
index 06ae439..5714ab4 100644
--- a/app.json
+++ b/app.json
@@ -12,10 +12,12 @@
       "backgroundColor": "#0d0d0d"
     },
     "ios": {
+      "bundleIdentifier": "com.spacebanane.timeuntil",
       "supportsTablet": true,
       "requireFullScreen": false
     },
     "android": {
+      "package": "com.spacebanane.timeuntil",
       "adaptiveIcon": {
         "foregroundImage": "./assets/adaptive-icon.png",
         "backgroundColor": "#0d0d0d"