Proper Sudoku

Core Gameplay & Content

• Massive Library: Features thousands of puzzles, each guaranteed to have only a single logical solution.

• Difficulty Range: Offers 10 distinct difficulty levels, ranging from "Casual" and "Novice" to "Expert" and "Master."

• No Pressure: The game does not use time limits, allowing players to solve puzzles at their own speed.

Key Features

• Smart Assistance: Includes a hint system that not only reveals numbers but also demonstrates the logic of how to solve that specific step.

• Note System: Advanced players can use a quick note system (displayed as numbers or dots). The game can also automatically calculate notes to speed up the process.

• Customization: Players can adjust the size of the numbers for better clarity and choose between different color themes.

• Autosave: Automatically saves progress, including all notes, so you can pick up where you left off.

Technical Details

• Compatibility: Requires iOS 15.0 or later (compatible with iPhone, iPad, Mac with M1 chip+, and Apple Vision).

• Size: Approximately 450 MB.

• Pricing: Free to download with an optional Premium Upgrade ($4.99).

Premium Benefits

The one-time in-app purchase removes all banner and interstitial ads and provides:

• Unlimited free hints.

• Unlimited automatic notes.

• The ability to skip levels at any difficulty.

If you are looking for a variety of puzzles or brainstorming UI ideas, you might also find their other titles like Shikaku Blocks or Nut Sort Mania interesting, as they follow a similar clean, puzzle-focused design.