Lacuno for iPhone.

The daily puzzle plus unlimited play — all three grid sizes, a practice mode, and your full solve history. Coming soon.

What’s coming

Daily and unlimited

The shared daily puzzle
Same puzzle as the web, same day, same rules. Your streak travels with you.
Unlimited practice
Play as many puzzles as you like. All three grid sizes: 4×4, 5×5, and 6×6.
Practice mode
No timer, no attempts, no pressure. Just the puzzle.

Progress and sharing

Full solve history
Every puzzle you've played, your attempt count, and how you compared to other players that day.
Share artefact
The same spoiler-free grid you can share from the web, with one tap.
Streak tracking
How many days in a row have you solved it?

Designed for iPhone

Native feel
Designed for touch from the ground up. Not a web view.
No account required
Play immediately. Your data stays on your device.
No ads, no subscriptions
Pay once, play forever.

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