Tailor content based on whether you're a local or a visitor to London. For example, most locals have already seen Big Ben, but we might suggest it to visitors.

Which app opens when you tap the map link on a listing. If the app is installed on this device the link opens in it; otherwise it opens the website.

When a place is marked Done or Loved it is hidden from lists and maps, so you can focus on discovering new things. You'll always find them on Saved.

Keeps the map of London on this device so it works even with no internet connection. The text and data already work offline; only the map needs saving.

Keep the photos on this device so they work without an internet connection. Small pictures takes about 72 MB. Large pictures takes about 341 MB in all. Turning to off deletes them.