Last Updated: January 15, 2026

Sudoku a Day vs Sudoku.coach 2026: Ad-Free Comparison

Introduction

Sudoku.coach and Sudoku a Day are two of the few completely free, ad-free Sudoku options available. Both prioritize user experience without ads, but they take different approaches. This comparison examines which is better for different types of users.

Sudoku.coach focuses on web-based learning with technique lessons, while Sudoku a Day provides a premium mobile app experience. Let's see how they compare across key features.

Quick Comparison Summary

Here's a quick overview of how Sudoku a Day and Sudoku.coach compare:

• Platform: Sudoku a Day: iOS app; Sudoku.coach: Web-based only
• Ads: Both are completely ad-free ✅
• Pricing: Both are completely free ✅
• Mobile App: Sudoku a Day: Yes; Sudoku.coach: No
• PDF Downloads: Sudoku a Day: Free PDFs; Sudoku.coach: Limited printouts
• App Store Rating: Sudoku a Day: 5.0 stars; Sudoku.coach: Web-only (no app store)
• Learning Features: Sudoku.coach: Technique lessons; Sudoku a Day: Hints and help

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Feature-by-Feature Comparison

Below is a detailed side-by-side comparison of Sudoku a Day and Sudoku.coach across all major features.

Links to Sudoku.coach are provided for comparison purposes only. Last verified: January 2026.

Pricing Comparison: Both Completely Free

Sudoku a Day: Free Mobile App

Price: $0.00 - Completely free forever

• Zero ads
• Full-featured iOS app
• Free PDF downloads
• Offline mode
• No subscriptions

Sudoku.coach: Free Web Platform

Price: $0.00 - Completely free

• Zero ads
• Web-based platform
• Technique lessons
• Practice modes
• No subscriptions

Winner: Tie - Both are completely free with no ads and no subscriptions. The difference is in platform and features, not pricing.

User Experience Comparison

Platform: Mobile App vs Web-Based

Sudoku a Day: Offers a native iOS app available on the App Store with a perfect 5-star rating. The app provides offline mode, push notifications, and native mobile features like smooth animations and touch-optimized controls.

Sudoku.coach: Is web-based only, meaning you access it through a browser. While it works on mobile browsers, it doesn't offer the same native app experience, offline capabilities, or App Store presence.

Winner: Sudoku a Day - For mobile users who want a native app experience with offline mode and App Store integration, Sudoku a Day is the clear winner.

Interface Design

Sudoku a Day: Features a modern, minimalist design specifically optimized for iPhone. The clean interface reduces distractions and focuses on puzzle solving. The 5-star App Store rating reflects user satisfaction with the design.

Sudoku.coach: Has a functional but basic web interface. While it's usable, it lacks the polish and optimization of a native mobile app. The design is more utilitarian than elegant.

Winner: Sudoku a Day - The native app design provides a superior user experience compared to the web-based interface.

Feature Deep Dive

Learning Features: Technique Lessons

Sudoku.coach excels here with comprehensive technique lessons, practice modes, and teaching-focused features. If you're looking to learn Sudoku strategies and improve your skills, Sudoku.coach offers more educational content.

Sudoku a Day provides hints and help features, but doesn't have the same depth of teaching content. However, we offer links to our comprehensive Sudoku strategies guide on our website.

Winner: Sudoku.coach - For learning and technique improvement, Sudoku.coach has the edge with dedicated lessons and practice modes.

PDF Downloads: Unique to Sudoku a Day

This is where Sudoku a Day truly stands out. We offer free downloadable PDF puzzles in multiple difficulty levels - a feature that Sudoku.coach only provides in limited form through printouts. Our PDF downloads allow you to:

• Print puzzles for offline solving
• Solve puzzles without your phone
• Share puzzles with friends
• Build a collection of printable puzzles

Winner: Sudoku a Day - Free PDF downloads are a unique feature that Sudoku.coach doesn't match.

Offline Mode

Sudoku a Day: Offers full offline mode, allowing you to play puzzles without an internet connection. Perfect for travel, commutes, or areas with poor connectivity.

Sudoku.coach: Requires an internet connection to access puzzles and features. You can't play offline, which limits usability in certain situations.

Winner: Sudoku a Day - Offline mode is essential for mobile users, and Sudoku a Day delivers.

Sudoku Variants

Sudoku.coach offers multiple Sudoku variants, which is great for players who want variety beyond classic Sudoku.

Sudoku a Day focuses on classic Sudoku puzzles, providing the best possible experience for traditional Sudoku gameplay.

Winner: Sudoku.coach - If you want variants, Sudoku.coach has more options.

User Reviews & Ratings

App Store Ratings

Sudoku a Day: 5.0 stars (Perfect rating) on the App Store

Sudoku.coach: N/A (Web-based, no App Store presence)

The perfect 5-star rating for Sudoku a Day reflects exceptional user satisfaction with the mobile app experience. Users consistently praise the ad-free experience, free PDF downloads, and smooth gameplay.

Which App Should You Choose?

Choose Sudoku a Day if:

• You want a native mobile app experience
• You need offline mode for travel or commutes
• You value free PDF downloads for printing
• You prefer a polished, modern interface
• You want the highest-rated Sudoku app (5 stars)
• You primarily use iPhone/iPad

Choose Sudoku.coach if:

• You want comprehensive technique lessons
• You prefer web-based platforms
• You want multiple Sudoku variants
• You're focused on learning and improving skills
• You don't need offline mode
• You use multiple devices and want browser access

Overall Winner: Depends on Your Needs

• For mobile users: Sudoku a Day wins with native app, offline mode, and PDF downloads
• For learning-focused users: Sudoku.coach wins with comprehensive technique lessons
• For most users: Sudoku a Day is better due to mobile app experience and offline capabilities

Frequently Asked Questions: Sudoku a Day vs Sudoku.coach

Is Sudoku.coach free?

Yes, Sudoku.coach is completely free with no ads and no subscriptions. However, it's web-based only with no dedicated mobile app. Sudoku a Day is also free and ad-free, but offers a full-featured iOS app with offline mode and free PDF downloads.

Does Sudoku.coach have a mobile app?

No, Sudoku.coach is web-based only with no dedicated mobile app. You access it through a web browser. Sudoku a Day offers a native iOS app available on the App Store with offline mode and native mobile features.

Can I use Sudoku.coach offline?

No, Sudoku.coach requires an internet connection. Sudoku a Day offers full offline mode, allowing you to play puzzles without internet access.

Which is better: Sudoku a Day or Sudoku.coach?

Sudoku a Day is better for mobile users who want a native app experience with offline mode, 5-star ratings, and free PDF downloads. Sudoku.coach is better for web-based learning with technique lessons, but lacks a mobile app and offline capabilities.

Does Sudoku.coach have PDF downloads?

Sudoku.coach offers limited printouts, but not the same comprehensive PDF downloads as Sudoku a Day. Sudoku a Day provides free downloadable PDF puzzles in multiple difficulty levels.

Which has better learning features?

Sudoku.coach has better learning features with comprehensive technique lessons and practice modes. However, Sudoku a Day provides hints and links to our detailed Sudoku strategies guide on our website.

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