Logic Parlor
Fair logic puzzles. Big, readable clues.
Classic logic grid puzzles for iPhone, iPad and Android. Every puzzle has exactly one solution you can reach by pure deduction — never a guess. Free to play, with no keys, no energy and no locked puzzles.
How it works
Read the clues. Mark the grid. Deduce the rest.
Each puzzle has a few categories — say people, pets and ages — and a short list of clues. Tap a cell once for ✗ (no) and twice for ✓ (yes). Cross off clues as you use them until only one arrangement fits.
- 1. Ana owns the parrot.
- 2. Ben is younger than the dog’s owner.
- 3. The fish’s owner is exactly 10 years older than Tom.
- 4. The 40-year-old is either Ana or the cat’s owner.
New to logic puzzles? The first puzzle is a guided tutorial that explains every step, and our guide How to solve logic grid puzzles walks through all seven techniques with a worked example.
Why Logic Parlor
Made for calm, satisfying solving.
Always fair
Every puzzle is checked by our solver before it ships: one solution, reachable by deduction alone. No guessing, ever.
Clues you can read
Large clue text by default, four sizes on top of your device setting. Clues wrap and are never cut off.
Your progress is safe
Every move saves automatically. Close the app mid-puzzle and pick up exactly where you left off.
No pressure
No timer on screen, no lives, unlimited undo and redo. Auto-✗ fills the obvious crosses for you.
Hints that teach
A hint shows the next step and why it follows from the clues, and points out a wrong mark if you’ve made one.
Plays anywhere
Fully offline. Designed for iPhone and iPad, with a side-by-side layout on larger screens, and Android.
Puzzles
500 puzzles to start, plus one every day.
- Four difficulties — Easy, Medium, Hard and Expert
- A new daily puzzle with a streak to keep
- Every puzzle open from day one — no gates
- Friendly themes — pet shows, garden clubs, bake sales and more
- Stats for solve times and streaks
- Spoiler-free sharing of your result
Pricing
Free. No keys, no energy, no paywall.
Every puzzle
$0
All packs and every daily puzzle, free to play.
Hints
3 a day
Free hints every day, with an optional short video for more.
Ads
Never mid-puzzle
Ads never cover the grid or clues and never interrupt a solve.
FAQ
Common questions
What is a logic grid puzzle?
A logic grid puzzle (sometimes called a zebra puzzle) gives you a few categories, such as people, pets and ages, and a list of clues. You mark a grid with ticks and crosses until only one arrangement fits every clue.
Will I ever have to guess?
No. Every puzzle is checked by our solver before it ships: it has exactly one solution, and you can reach it by deduction alone.
Is Logic Parlor free?
Yes. It’s free and supported by ads. Ads never cover the grid or clues and never interrupt a puzzle you’re solving. There are no keys, energy or locked puzzles.
Can I make the clues bigger?
Yes. Clue text starts large and has four sizes on top of your device’s own text size setting. Clues always wrap and are never cut off.
Does it work offline?
Yes. Every puzzle, including two years of daily puzzles, is on your device.
Do I need an account?
No. There’s no sign-up and your progress stays on your device. See the privacy policy.
When is it available?
Logic Parlor is launching soon on the App Store for iPhone and iPad and on Google Play for Android.