關於「Barcelona Metro app」標籤，搜尋引擎有相關的訊息討論：

TMB App (Metro Bus Barcelona) - Apps on Google Playplay.google.com › store › apps › detailsBarcelona Metro - TMB map and – Apps on Google Playplay.google.com › store › apps › details › gl=US在App Store 上的「Barcelona Metro Map & Routing」 - Appleapps.apple.com › tw › app › barc