Latch - Logic Puzzle

One solution, never a guess

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Latch is a game of pure deduction. Every puzzle has one solution, and you can always reason your way to it - no guessing, no luck, no timers rushing you. Just you and a grid that rewards a clear mind. The rule is simple: Place one node in every row, every column, and every colored region - and no two nodes may touch, not even diagonally. From that single rule comes a surprising depth of logic. Mark the cells you've ruled out, place your nodes with confidence, and watch the solution reveal itself. What's inside: • 1,000 verified puzzles - every one checked for a single solution and a path of pure logic. Grids stay a comfortable size; it's the reasoning that deepens, from spotting a single forced cell to deductions spanning several regions at once. • A new daily challenge - one fresh puzzle every day, the same for everyone. • Build your streak - solve each day to keep your streak alive, and watch it climb. • Clear, uncluttered design - bright, distinct colors and nothing on screen but the puzzle. • Learn in a minute - a quick walkthrough teaches you everything; the depth comes from you. • Ads you can switch off - one small purchase removes the banner and between-level ads, for good. • Play anywhere, offline - no account, no sign-up, no connection required. No pressure. No randomness. Just the quiet satisfaction of a puzzle that always makes sense. Think you can solve them all?

Ratings & Reviews

  • 5.0
    out of 5
    5 Ratings

500 new levels! • Levels 1001-1500, all large boards • Bigger, clearer tiles • New board animations Plus performance improvements and bug fixes.

Version 1.5

The developer, Olivas Labs LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Purchases
    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
Olivas Labs LLC
Size
33.9 MB
Category
Puzzle
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • iPad
    Requires iPadOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 Olivas Labs
  • Developer Website
  • Privacy Policy

    • More by Olivas Labs LLC

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