dotio: Pips Domino Puzzles

Daily Logic Brain Game

$3.99 · Designed for iPad

Fresh puzzles daily. Build your streak, earn badges. No ads, no in-app purchases — just pure logic. Dominoes meet logic puzzles. No guessing, just pure deduction. dotio is a thoughtful puzzle game where every solution is earned through careful reasoning. SIMPLE TO LEARN Place dominoes on the grid so every rule is satisfied. Match sums, find equals, and spot differences. The rules guide you towards the one valid solution. CHALLENGING TO MASTER Start with a handful of dominoes and simple rules, then progress to devious puzzles with layered constraints and deeper logic. Every puzzle is designed to feel fair, logical, and genuinely rewarding to solve. FEATURES • Nearly 3000 carefully crafted puzzles, each with exactly one solution • Daily challenges in Easy, Medium, and Hard • Ultra Mode — unlock the hardest puzzles by mastering Hard • Ghost Mode — race against time as rules fade away • Pip Counter and Sum Helper tools for tricky puzzles • Smart hints that guide without spoiling the answer • 45+ achievements to unlock — badges, milestones, and more • Track your stats, streaks, and personal bests • A gentle, interactive tutorial that teaches as you play • Rotate and reposition dominoes freely • Accessibility options: adjustable text and tap or drag controls • Dark mode for late-night solving • Works offline — play anywhere • No ads. No interruptions. Just puzzles. A DAILY RITUAL Whether you play one puzzle a day or settle in for a longer session, dotio is designed to be enjoyed at your own pace. One puzzle. One solution. Pure, satisfying logic.

Ratings & Reviews

  • 5.0
    out of 5
    10 Ratings

Bug fixes and performance improvements. — NEW IN 1.2 ◆ Ultra Mode A new difficulty for puzzle masters. Unlock it by completing Hard puzzles. ◆ Ghost Mode Race against the clock as rules fade away. Can you remember the rules once they've vanished? ◆ Pip Counter & Sum Helper Two new tools to help you solve - toggle them on in settings. ◆ More Badges & Milestones New achievements to earn as you progress through the game. ◆ Improved iPad Support Better layouts, updated tutorial, and enhanced Ghost mode.

Version 1.2.6

The developer, Leon Cross, 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 Not Linked to You

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

    • Identifiers
    • Usage Data
    • Diagnostics

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

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • Larger Text

    • Dark Interface

    • Differentiate Without Color Alone

    • Sufficient Contrast

    • Reduced Motion

Information

  • Seller
    • Leon Cross
  • Size
    • 52.7 MB
  • Category
    • Puzzle
  • Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPad
      Requires iPadOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    • English
  • Age Rating
    4+
  • Copyright
    • © Leon Cross
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.