undercover.

Story first.
Cover later.

Find your next book by what it's about.

A sealed book card in undercover.: the premise, three tropes and a blurred cover

Every card starts with the story. No title, no author, no cover. Just a few spoiler-free lines, the tropes and the mood. Swipe right, and the cover is yours to see.

Swipe right.
Break the seal.

The cover flips open and the book goes on your wishlist.

The cover of The Wicked King revealed after a right swipe
1,279

real books.

18 genres, from romantasy and thrillers to history and poetry.

"Four retirees in a quiet village meet weekly to pore over cold cases. Then a real body turns up on their doorstep."A card from the catalog

Filters you can trust.

  • Content notes on every book
  • Spice levels you choose
  • Explicit books stay hidden until you confirm you're 18
  • All of it free

A wishlist worth keeping.

Everything you swiped right on, with what to read next on top.

The wishlist with saved book covers

One pick a night.

The Nightcap: a single sealed match each evening, chosen for your taste.

The home screen with tonight's sealed pick

Private by design.

No account and no ads. Your library stays on your iPhone. Usage data is anonymous and optional.

Coming soon to iPhone.

Free. Requires iOS 17 or later.