London · This summer

Turn London into a treasure hunt.

Follow clues to real landmarks and corners even locals miss. Snap what you find, unlock the story — and take it home forever.

Coming soon to the App Store and Google Play

  • Real landmarks
  • AI guide, out loud
  • 6 languages

How it works

Three steps to your first treasure.

  1. 01

    Pick a hunt

    Open the map and choose from hunts all over London — icons, museums, film locations and hidden doors everyone walks past.

  2. 02

    Follow the clues

    Each clue walks you to the spot. Found it? Take a photo — the app checks your find right there, on the spot.

  3. 03

    Unlock the story

    The legend behind what you found, told by your AI guide in your language. Every find joins your memory film.

01

Not sightseeing. Treasure hunting.

Big Ben is just a photo. The real London — the legends, the hidden doors, the details everyone walks past — that's the treasure. Follow the clues, find it for real, and the story is yours to keep.

Hunts at real landmarks
02

It knows London like a local.

Hunting in a heatwave? UnlockCity keeps a live comfort map of the whole city — the nearest cool-down, toilet or free refill is always one tap away.

14,000+
air-conditioned spots
2,700+
public toilets
500+
free water points
Built for London summers
03

A trip that fits you.

Family day out, date walk or solo wander — ready-made routes tuned to your pace, with free hunts to start the moment you land.

  • Family
  • Couples
  • Solo
A plan for everyone
04

One tap. One memory film.

Every hunt you finish can become a little film — your finds, your route, your day, cut automatically. Go home with more than photos.

Detective London

Your location stays yours.

No ads. No tracking across apps. Your data is never sold — and you can delete your account, and everything with it, any time.

Read our privacy policy

FAQ

Good questions.

Is UnlockCity free?

Yes — the app is free, and free hunts are scattered all over London. Weekly passes unlock the full catalogue whenever you're ready.

Where does it work?

London first — hunts across the city's landmarks, museums and hidden corners. More cities are on the way.

Which languages does it speak?

English, 中文, 日本語, Français, Español and Deutsch — the whole app, the AI guide and the spoken audio.

Do I need to book a time slot?

No. Hunts are self-guided — start whenever you like, pause wherever you like. A pass lasts a full week.

How do the photo checks work?

Point your camera at what the clue led you to. The app matches your photo on the spot — and the story unlocks.

London is hiding something. Go find it.

Free on iPhone and Android — this summer.

Download on theApp Store Get it onGoogle Play

Coming soon to the App Store and Google Play