This logical reasoning puzzle for kids comes from the creators of the Magic Square, Magic Triangle, Pair Pattern, Multiplication Kakuro and Find the Sign (all paid) and Shikaku (free) – puzzles that hone your child’s logical reasoning abilities as well as calculation skills.

This one, though, is pure logic, without any calculation required. Our Nonogram app features unlimited number of nonograms, which is different from most other Nonogram apps which give you only a limited number with pre-fed designs.

Our aim was to make Nonograms of appropriate difficulty for kids 6-15 years of age, to hone their logical reasoning skills. However, this is a puzzle even adults might enjoy solving in their spare time!

The rules are simple. Each row and each column has a clue number – exactly that many cells (in a block) has to be shaded in that row or column. For a more visual explanation, download the app, and look at the help page.

This puzzle is good for classroom usage too. Made by the creators of the award-winning Levelfield School,they are extensively used in primary grade math classes there. Not only they have proved enormously effective in improving the logical reasoning skills of children, they’re fun as well.

There are unlimited number of exercises. You can monitor your child’s accuracy and average time taken to solve sums in each difficulty level. The badge system (silver, gold, platinum) provides a quick preview of your child’s progress.

This app is free. If you like this app, support us by buying our other logical math apps and foundational learning apps available in iTunes.

Ratings and Reviews

4.9 out of 5
12 Ratings

12 Ratings

Motu 2 ,

Addictive (in a good way)

This puzzle is so addictive and fun to play that I find myself playing more and more just to beat my own best score. I also like the Shikaku app by this developer. Great work.

kalyanghosh.11 ,

So interesting!

It is super enjoyable puzzle app. I spend hours with it. It has helped me overcome social media addiction for good.


Teachbasix Technologies LLP
21 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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