Sudoku Star3.0 - App Store

Sudoku game optimized for serious Sudoku players! Check out our reviews:
"Best Sudoku. Best one out there. Great game play."
"Best? Yes it is! I've played my share of sudoku games, and this one tops them"
"Hands down, this is the best sudoku implementation on the iPhone."
"The best iPhone Soduku game there is. Intuitive and easy to learn user interface, with all the the right features and functions."
"Best Sudoku on any computer. This is the best Sudoku that I have seen for any computing device."
"This is the best sudoku! I love sudoku and I downloaded and paid for a lot of different sudoku games, but this is the only one I kept on my iPhone and the only one I've kept playing. Thanks for doing such an awesome job on this game!"
"Now try the best. Tried/bought numerous 'top-rated' Sudoku apps and they all have something to offer; this is the one I actually play. Wish I would have found this one earlier."
"Great Sudoku for iPhone! The best iPhone Sudoku game there is."
"Wow. Believe the reviews. Sudoku Star is that good."

Platform:
. Universal app for iPhone + iPad, iOS 15 or later
. Optimized for all iPhone and iPad screen sizes

Basics:
. Unlimited number of games, five doubly-graded levels of play
. Symmetric games with unique solutions
. Six built-in color schemes
. Built-in solver
. Autosave and restore of game in progress
. Game stats: wins, best/average times, percentile, trend, mistakes

Gameplay automation:
. Both automatic and manual pencil marks
. Integrated, graduated hint system
. Bookmarks stack for trial-and-error backtracking

Visualization:
. Optional color-coded errors
. Optional color-coded conflicts
. Optional highlighting of selected digits and marks
. Digits done feedback

Great user interface:
. Both digit-first and cell-first entry
. Large, easy-to-read digits
. Unlimited undo and redo, undo to last correct
. No pop-up entry menus covering board
. All key features accessible from main screen
. Optimized to maximize playability
. Respects your privacy, collects no data linked to you

Version History Marks buttons on main screen for all devices
Recent trend statistics
Mistakes counter
Improved bookmarks UI
Larger text sizes
Bigger buttons
Redesigned icons
Expanded help 3.0 Jun 16 Support for iPhone 6 and 6+ displays
Updated for iOS8
Improvements to Help 2.2 11/18/2014 Now universal app supporting iPhone + iPad + iPad Mini + iPod Touch
Now supports full iPhone 5 screen, with separate pencil mark buttons on main screen
New iOS7 user interface and updated iOS 5/6 user interface
Enhanced hint system including error and conflict resolution
Enhanced bookmarking system remembers previously tried alternatives
Expanded game generation with doubly-graded puzzles 2.0 10/15/2013 UI fixes for iOS 4.0 1.4 08/04/2010 Added fifth level of difficulty
Improved level-of-difficulty evaluator
After game completed, next launch starts new game
Better percentile estimation for first few games
Remember selected hint level between games
Shortcuts to erase and restore all pencil marks 1.3 10/23/2009 • Hint display integrated into main screen
• One-shot or continuous hint updating
• Settings screen displayed in current theme colors
• "Tell a friend!" feature 1.2 04/24/2009 1.1 01/14/2009 1.0 11/09/2008