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To celebrate 25000 downloads of Sudoku Grab I’m setting the app to free until the 25th June. Thanks to everyone who has purchased the app and for all the great feedback you’ve been sending.


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Version 2 of SudokuGrab released - We've updated SudokuGrab with some major enhancements including iCloud syncing for your puzzles and support for iPads. There are a few bugs we're aware of and we're actively working to fix them in the coming weeks, with a new version already submitted to the app store.
Updating Sudoku Grab - Currently, I am revitalizing Sudoku Grab, my first app ever, published in 2009. The plan involves updating the code, upgrading to ARC, simplifying the menu system, accommodating iOS7, and supporting 4-inch display sizes. Future updates may include iCloud syncing features for universal access to puzzles. This endeavor also gives me an excuse to switch to an iPhone5s!
Sales stats update - 5 or 6 months on the app store - Apologies for the radio silence on sales stats for our app, but to be fair, there hasn't been much spark! After the US App Store feature, it was a sliding game down the charts, but still, we average about 10-30 copies daily. We excitedly crossed the 25,000 download mark recently. Oh, and there's a chart you can find below with more deets. A Dutch website brought a brief sales soar, but that's died down now. All told, we've clocked in 25591 paid and 8436 free downloads, the latter gaining a brief spotlight during a celebratory two-week freebie phase. Sure seems free is popular! But, I feel content knowing we've lots of, hopefully, pleased customers!
Sudoku Grab Removed From Sale in Japan - Just got an email from Apple, claiming that my app 'Sudoku Grab' infringes on intellectual property rights of Nikoli.Co.Ltd. So, as a precaution, I've taken Sudoku Grab off the shelves in Japan.
A couple of reviews - Our app has finally been reviewed by a couple of sites, namely 148apps and iPhone App Reviews. Unfortunately, our daily downloads in the US are still low, hovering around 10-20, and the app has moved off the front page of the app store in the UK, causing a significant drop in sales. Stay tuned for a detailed update in a couple of weeks. Appreciate all the support and readership.

Related Videos

Sudoku Grab for the iPhone - Unleash the power of technology to effortlessly solve Sudoku puzzles with this incredible iPhone App available on the App Store! Click to learn more and get started.
Augmented Reality iPhone Sudoku Grab - Experience real-time augmented reality capture with the new version of Sudoku Grab! Learn to build your own app with detailed guidance provided in the linked article.
AR Sudoku Solver in Your Browser: TensorFlow & Image Processing Magic - Discover how to recreate a Sudoku app using browser APIs and ecosystem advancements, and explore the image processing pipeline technique for extracting Sudoku puzzles and solving them.
Christmas Quiz - We had a blast going live for our exciting Christmas quiz! We started by whipping up some suspense, dealing with a few technical glitches, a tiny bit of trippy feedback, and some legendary guests. We had James, Brian, Pat, and Desi – the real stars of live streaming! With the rules set out - not questioning Santa, we navigated through a wave of Christmas and science-themed questions. From 1980s computers and the first SMS message to hormones, physics, electronics, and space exploration – we had it all. We even added a splash of math and popular culture into the mix. There was no shortage of confusion, excitement, and good-humored debates throughout the quiz. Ending it on a fun note, there was no prize but the joy of taking part in itself. Ah, it was a tie, but thanks to our 'Gizmo' question, there were extra points for everyone! We reminisced about our Christmas plans afterward - be it visiting family, playing games, or even running marathons! Merry Christmas to all!
5K Milestone: Your Fave Projects, YouTube Earnings & What's Next! - Celebrate the journey of a tech YouTuber reaching 5000 subscribers, sharing their favorite projects, and offering insights into the channel's viewership demographics and revenue. Watch some hidden gems and get a sneak peek into the upcoming project ideas!
HELP SUPPORT MY WORK: If you're feeling flush then please stop by Patreon Or you can make a one off donation via ko-fi
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Chris Greening


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A collection of slightly mad projects, instructive/educational videos, and generally interesting stuff. Building projects around the Arduino and ESP32 platforms - we'll be exploring AI, Computer Vision, Audio, 3D Printing - it may get a bit eclectic...

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