Engage in a strategic board game similar to Connect Four, but with a unique 45-degree rotated board. Challenge a computer opponent, play with a friend on the same device, or compete in online ranked matches.






244+ iOS apps & games curated and reviewed
Diagonal Board is the household name in diagonal board, but it's far from the only option. We track 244+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | Yes | No | Aug 2026 | |
| 2 | Free | 4.8★ (20) | Yes | No | May 2026 | |
| 3 | Free | — | Yes | No | May 2026 | |
| 4 | Free | 3.7★ (3) | No | No | Aug 2026 | |
| 5 | Free | — | Yes | No | May 2026 | |
| 6 | Free | — | Yes | No | May 2026 | |
| 7 | Free | 5.0★ (3) | No | No | Jul 2026 | |
| 8 | Free | 4.8★ (1.6K) | Yes | Yes | Sep 2026 |










Engage in a strategic board game similar to Connect Four, but with a unique 45-degree rotated board. Challenge a computer opponent, play with a friend on the same device, or compete in online ranked matches.







Organize and display your favorite photos and notes on a virtual bulletin board. Personalize your space with decorative emojis and easily access your visual reminders on your iPad or iPhone.






Control your Bravo Board directly from your iPhone or iPad. This fully functional application allows you to manage every aspect of the board with ease, getting you started in seconds.


Engage your mind with a comprehensive number puzzle game offering classic Sudoku and over 35 unique variants. Enjoy themed weekly challenges, smart hints, and a clean design for a relaxing yet challenging brain-training experience.


Explore diverse Sudoku variations beyond the classic rules. Enjoy modes like Jigsaw, Even-Odd, Hyper, and X, each offering unique challenges. With hundreds of levels and adjustable difficulty, this app provides endless brain-training fun.




This app provides a digital canvas for writing, drawing, and sketching. It's suitable for handwriting practice, educational purposes, note-taking, and creative expression. Users can choose from various drawing modes and tools to create and save their work.


Engage in a strategic puzzle adventure where you dismantle stacked wooden boards by carefully unscrewing them. Plan your moves wisely as each plank must be removed in a specific order, with limited screw manipulation options per level. Unlock new maps, levels, and cosmetic skins as you progress through increasingly challenging stages.


Experience a unique Sudoku challenge with five interconnected grids. Apply standard Sudoku rules to each 9x9 grid, filling numbers to ensure each row, column, and region has one of each digit. Offers multiple difficulty levels and puzzle variations.


Engage your mind with a variety of Sudoku puzzles, including classic and unique variations like Diagonal, Irregular, and OddEven. Offers a no-ads experience with features to aid gameplay and track progress. Perfect for logic puzzle enthusiasts seeking a mental challenge.


A satisfying puzzle game where players guide a character to clear all white cubes from a board. Navigate the screen to complete each level. Enjoy a simple yet engaging experience.


This platform centralizes board meeting essentials like agendas, tasks, and documents, fostering real-time engagement through video conferencing and secure messaging. It enhances accountability by tracking decisions and measuring progress towards organizational goals.


A straightforward digital canvas for drawing, sketching, and teaching. Its minimalist design makes it easy to use for quick notes or educational purposes.


This app offers a vast library of over 1,800 logic puzzles, including various Sudoku variants. It features interactive tutorials for learning new puzzle types and tools to aid in solving without guesswork. Enjoy a calm, ad-free experience with progress tracking and customizable interface options.


This application streamlines board meetings with digital tools for preparation, presentation, and post-meeting document distribution. It enhances transparency, accountability, and productivity for senior executives and administrators. Securely manage confidential information and access documents anywhere, ensuring efficient collaboration.

