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Kvitto

Allows parsing and validation of iTunes App Store receipts. Receipts also contain the In App Purchase receipts. For auto-renewable subscriptions the subscription expiration date is available.

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Big red LED digits allow you to see the timer even at great distance so you are free to move while you give the talk of your life. SpeakerClock emulates the famous countdown clock that all speakers at TED conferences need to adhere to.

The latest version is a universal app with HD-support for iPad, multiple presets and lots of usability enhancements. New portrait support allows you to put your iPhone/iPad in the cradle and still use SpeakerClock. Now the whole screen flashes if you transition into a new phase of your speech.

The Latest From the Cocoanetics Blog

Jun 18, 2026

SwiftText Learns to Write

It started with a bedtime problem.

There’s a manuscript on my disk — a middle-grade fantasy a young writer in the house has been drafting. Fifteen chapters and a prologue, all in Markdown. The ask was simple and entirely reasonable: could it be a real PDF, the kind you can hold, with every chapter starting on a fresh page like a proper book?

So I asked for exactly that. One sentence. A minute later there was a 152-page PDF, each chapter opening at the top of its own page, plus a little shell script I could re-run whenever the draft changed. It changed three times that evening.

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Jun 13, 2026

Kits All the Way Down

Everything that happened on github.com/Cocoanetics since the SwiftCross post (June 2 – June 13, 2026). Four new kits, a fourteen-year-old flagship that came home, and the stretch where the extraction pattern started shipping to users.

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Jun 02, 2026

Swift Cross Platform

My passion for cross platform software development started around the year 2000 when I saw how a contractor at Austria’s Connect Austria – which eventually became the cellular network provider DREI – would create C++ utilities on PC with Visual Studio that then could be compiled and run in production on Compaq Tru64 Unix. I have fond memories of writing a lot of small CLI utilities the same way to solve data issues we encountered processing call record data for billing.

I always hated the approach of emulating a virtual machine to get code running of different platforms. This feels to me like watching the trojans celebrate their big wooden horse and nobody willing to listen to me shouting warnings of what ugliness might be inside.

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Who is Cocoanetics?

The word Cocoanetics comes from the words Cocoa (the framework we use to program iOS apps) and Genetics (to build, make up). It simply states that we have living and breathing iOS development a level even deeper than “in your blood”.

Our apps and parts are often experiments, mostly pieces of art, but always carefully handcrafted. We’re still learning and getting better at coding every day. You benefit from this because our code gets better all the time and we share what we learn on our blog.

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Our Featured Part

Kvitto

Our Featured App

SpeakerClock

The Latest From the Cocoanetics Blog

SwiftText Learns to Write

Kits All the Way Down

Swift Cross Platform

Who is Cocoanetics?

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