Chess Clock vs Clear Sudoku
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chess Clock
This app provides a customizable chess clock with various timing modes, including increment, Fisher, Bronstein, and delay. It features a user-friendly interface and an easy-to-tap timer designed for both casual and competitive players.
- Preset timing options
- Customizable timers (increment, Fisher, Bronstein, Delay)
- Multi-stage timers
- Individual player settings
- User-friendly interface
- Easy-to-tap active player button
Read full descriptionHide full description
Take your chess games to the next level with this versatile chess clock app! Popular Preset Times: Start instantly with widely used timing options. Customizable Timers: Create your ideal chess clock with features like increment time, Fisher, Bronstein, or Delay modes, and multi-stage timers. Customize settings for each player individually! User-Friendly Design: Navigate effortlessly with a simple, intuitive interface. Easy-to-Tap Timer: Active player's button expands, making it easy to hit the clock under pressure. Perfect for casual players and serious competitors alike. Download now and focus on your game, not the clock!
Clear Sudoku
Engage in a classic Sudoku puzzle experience with a modern, minimalist design. Enjoy an ad-free interface with multiple difficulty levels, progress tracking, and helpful solving tools. Perfect for both new and experienced players seeking mental stimulation.
- 100% Ad-free experience
- Five difficulty levels
- Clean and elegant design
- Built-in timer and personal best records
- Candidate number support
- Undo/Redo functionality
- Error detection
Read full descriptionHide full description
Sudoku - Classic Puzzle with Modern Design Challenge yourself with this beautifully designed Sudoku puzzle game that combines classic gameplay with a modern, minimalist interface. Completely ad-free for an uninterrupted solving experience! Key Features: • 100% Ad-free - Pure puzzle-solving experience without interruptions • Five difficulty levels to suit players of all skill levels • Clean and elegant design with smooth animations • Built-in timer to track your solving speed • Personal best records for each difficulty level • Candidate number support for advanced solving strategies • Undo/Redo functionality for mistake-free gameplay • Error detection to help you learn and improve • Intuitive touch controls and responsive interface Whether you're a beginner looking to learn Sudoku or an experienced player seeking a challenge, this game offers the perfect balance of accessibility and complexity. Each puzzle is carefully generated to ensure a unique solution, providing hours of engaging mental exercise. The minimalist design helps you focus on solving puzzles while the subtle animations and visual feedback create a satisfying solving experience. No ads means no distractions - just pure Sudoku enjoyment. Track your progress, beat your personal records, and become a Sudoku master! Available in multiple languages, including English, 简体中文, 日本語, 한국어, Deutsch, ไทย, Français, Português, Español, and Bahasa Indonesia. Download now and experience the perfect blend of classic Sudoku gameplay with modern mobile design!
Screenshots
Verdict
The clearest difference is rating: Clear Sudoku at 5.0 against Chess Clock's 4.3. Clear Sudoku also leads on in-app purchases (none vs 1). Chess Clock's advantage is ratings volume (3 vs 1). On price, update cadence, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Chess Clock sells 1 one-off in-app purchase. Clear Sudoku asks for nothing beyond the download.
Clear Sudoku holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Chess Clock ships an update every 4 days, Clear Sudoku every 3 days. The most recent releases landed on September 6, 2026 and June 1, 2026 respectively.
| Parameter | Chess Clock | Clear Sudoku |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 30 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | SVEIN ROBIN OPLAND | 正越 陈 |
Customer experience
Chess Clock
Clear Sudoku
In-app purchases
Chess Clock
- Remove Ads$0.99
Clear Sudoku
No in-app purchases
Questions
Is Chess Clock free?
Is Clear Sudoku free?
Which has better reviews, Chess Clock or Clear Sudoku?
Do Chess Clock or Clear Sudoku have ads?
Which is updated more often, Chess Clock or Clear Sudoku?
Other comparisons
