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Ordna. Sort puzzles got loud. This one’s quiet.

Three iPhones showing Ordna in a yellow, a painterly and a candy theme: columns of blocks to sort by color.

Ordna (Swedish for “to put in order”) is a minimalist block-sorting puzzle for iPhone and iPad. You sort colored blocks across columns until each column holds one color. That’s all the rules.

A thousand puzzles, no catch

There are a thousand puzzles, all open from the start, and every one of them was solved by a computer before it shipped. No timer, no score and unlimited undo. If you get stuck, a hint shows the next move. A new daily puzzle is the same for everyone.

It’s free, with no ads and no gems. Themes change how Ordna looks, never how it plays, and one purchase unlocks them all.

Accessible from the start

Accessibility was there from the start rather than bolted on afterwards. The default theme uses symbols alongside color, so it’s fully playable for color-blind players. Ordna supports VoiceOver, Voice Control, Larger Text, Dark Interface, Differentiate Without Color Alone, Sufficient Contrast and Reduced Motion, and it’s available in over 30 languages.

Apple featured it in “New games we love” in a lot of countries.

Ordna is one of my own apps, straight out of the Department of Special Projects.

End product
App
Platform
iOS
Technology
SwiftUI
Year
2026
Visit
ordnapuzzle.com ↗
Ordna’s home screen: the date, the days played this week, a button for the daily puzzle and one to continue puzzle #234, and “ordna, Swedish verb: to put in order”.Two App Store images: “Sort puzzles got loud. This one’s quiet.” with the home screen, and “A thousand puzzles, open from the start.” with a yellow theme.“1000 quiet levels. No ads.” with blocks of nature photos, and “No timer. No score.” with blocks painted like old portraits.“Themes change the look. Never the play.” and “Chip in once. Unlock every theme.”, each with a fan of phones in different themes.“Undo is unlimited. Restart is free.” with candy blocks, and “Stuck? A hint shows the next move.” with symbol blocks.“Fully offline. No account, no login.” with bento food blocks, and “Free. No ads, no gems, no catch.” with plain colored blocks.All work18 projects since 2018, more on the way