diff --git a/apps/mobile/src/components/MediaVideoPlayer.tsx b/apps/mobile/src/components/MediaVideoPlayer.tsx
index 0e3d8416affa..d06b8bcca04c 100644
--- a/apps/mobile/src/components/MediaVideoPlayer.tsx
+++ b/apps/mobile/src/components/MediaVideoPlayer.tsx
@@ -19,6 +19,7 @@ function LoadedMediaVideo(props: {
 }) {
   const focused = useIsFocused();
   const active = useRef(focused && AppState.currentState === "active");
+  const fullscreen = useRef(false);
   const [attempt, setAttempt] = useState(0);
   // Expo's Android player also reports completed playback as idle.
   const [loadState, setLoadState] = useState<"pending" | "complete" | "error">("pending");
@@ -38,10 +39,12 @@ function LoadedMediaVideo(props: {
 
   useEffect(() => {
     active.current = focused && !props.paused && AppState.currentState === "active";
-    if (!active.current) player.pause();
+    if (!focused || props.paused || (!active.current && !fullscreen.current)) player.pause();
+    // Native background handling distinguishes Android's fullscreen activity
+    // from leaving the app; React Native reports both as background.
     const subscription = AppState.addEventListener("change", (state) => {
       active.current = focused && !props.paused && state === "active";
-      if (!active.current) player.pause();
+      if (state === "inactive" || (state === "background" && !fullscreen.current)) player.pause();
     });
     return () => subscription.remove();
   }, [focused, player, props.paused]);
@@ -70,6 +73,12 @@ function LoadedMediaVideo(props: {
         nativeControls
         contentFit="contain"
         fullscreenOptions={{ enable: true }}
+        onFullscreenEnter={() => {
+          fullscreen.current = true;
+        }}
+        onFullscreenExit={() => {
+          fullscreen.current = false;
+        }}
         allowsPictureInPicture={false}
       />
       {loadState === "error" || (loadState === "complete" && status === "error") ? (
diff --git a/apps/web/src/components/media/MediaVideoPlayer.tsx b/apps/web/src/components/media/MediaVideoPlayer.tsx
index 90c18984e17b..cc3185a3a77e 100644
--- a/apps/web/src/components/media/MediaVideoPlayer.tsx
+++ b/apps/web/src/components/media/MediaVideoPlayer.tsx
@@ -93,11 +93,19 @@ export function MediaVideoPlayer({
     const video = videoRef.current;
     if (!video) return;
     const pauseWhenHidden = () => {
-      if (document.hidden) video.pause();
+      // Native fullscreen can hide the inline page while this video is still visible.
+      const fullscreen =
+        document.fullscreenElement?.contains(video) ||
+        ("webkitDisplayingFullscreen" in video && video.webkitDisplayingFullscreen === true);
+      if (document.hidden && !fullscreen) video.pause();
     };
     document.addEventListener("visibilitychange", pauseWhenHidden);
+    document.addEventListener("fullscreenchange", pauseWhenHidden);
+    video.addEventListener("webkitendfullscreen", pauseWhenHidden);
     return () => {
       document.removeEventListener("visibilitychange", pauseWhenHidden);
+      document.removeEventListener("fullscreenchange", pauseWhenHidden);
+      video.removeEventListener("webkitendfullscreen", pauseWhenHidden);
       video.pause();
     };
   }, [src, failed, loadAttempt]);