Krystian Kozerawski
@mackozer.bsky.social
Swift Developer at Apparent Software / Dev of Negative PDF Reader for Mac and Eter radio app for iOS macOS and tvOS / Editor in chief of MyApple.pl / Guitar player in a few PL metal bands.
Apparently implementing video upload for Bluesky is not as easy as for Mastodon…
November 10, 2025 at 8:51 AM
Apparently implementing video upload for Bluesky is not as easy as for Mastodon…
Puisque ces dernières années nous n’avons pas pu aller en France, c’est la France qui est venue chez nous, en Pologne — plus précisément, nos cousins français de Brest.
November 5, 2025 at 9:30 AM
Puisque ces dernières années nous n’avons pas pu aller en France, c’est la France qui est venue chez nous, en Pologne — plus précisément, nos cousins français de Brest.
AI assistant in Xcode 26.1 is not usable at all. While I used to use it for quick fixes, now it is absolutely not quick.
November 5, 2025 at 9:25 AM
AI assistant in Xcode 26.1 is not usable at all. While I used to use it for quick fixes, now it is absolutely not quick.
AI assistant in Xcode 26.1 seems to think way longer, I hope it will result in better code provided. And I wonder if the Xcode <-> ChatGPT bridge will still limit usage like it did before.
November 5, 2025 at 6:28 AM
AI assistant in Xcode 26.1 seems to think way longer, I hope it will result in better code provided. And I wonder if the Xcode <-> ChatGPT bridge will still limit usage like it did before.
Reposted by Krystian Kozerawski
A little support goes a long way!
If you’d like to help me keep creating, you can do so at ko-fi.com/formamac
Un petit soutien peut faire beaucoup !
Si vous souhaitez m'aider à continuer à créer, rendez-vous sur ko-fi.com/formamac
@twitchfrance.bsky.social #kofi_button
If you’d like to help me keep creating, you can do so at ko-fi.com/formamac
Un petit soutien peut faire beaucoup !
Si vous souhaitez m'aider à continuer à créer, rendez-vous sur ko-fi.com/formamac
@twitchfrance.bsky.social #kofi_button
November 1, 2025 at 11:05 AM
A little support goes a long way!
If you’d like to help me keep creating, you can do so at ko-fi.com/formamac
Un petit soutien peut faire beaucoup !
Si vous souhaitez m'aider à continuer à créer, rendez-vous sur ko-fi.com/formamac
@twitchfrance.bsky.social #kofi_button
If you’d like to help me keep creating, you can do so at ko-fi.com/formamac
Un petit soutien peut faire beaucoup !
Si vous souhaitez m'aider à continuer à créer, rendez-vous sur ko-fi.com/formamac
@twitchfrance.bsky.social #kofi_button
I have just took this moon shot with my iPhone 17 Pro Max. No filter. And not bad at all :)
October 30, 2025 at 4:45 PM
I have just took this moon shot with my iPhone 17 Pro Max. No filter. And not bad at all :)
Just testing sending images both to Mastodon and Bluesky :) Bluesky limit is roughly 950 kb (about 1 MB). And hey, meet Trombalsky :)
October 30, 2025 at 4:11 PM
Just testing sending images both to Mastodon and Bluesky :) Bluesky limit is roughly 950 kb (about 1 MB). And hey, meet Trombalsky :)
When I am not coding I am playing the guitar in a few Polish metal bands. Last Saturday I played with one of them - AION. You can listen to AION on AM https://music.apple.com/pl/album/midian/1826590178?l=pl
October 27, 2025 at 1:05 PM
When I am not coding I am playing the guitar in a few Polish metal bands. Last Saturday I played with one of them - AION. You can listen to AION on AM https://music.apple.com/pl/album/midian/1826590178?l=pl
Is crowdfunding an app development still an option these days?
October 20, 2025 at 9:48 AM
Is crowdfunding an app development still an option these days?
I just wonder if reaching ChatGPT limit in Xcode (while being a Plus subscriber) so quickly today has something to do with AWS servers are down.
October 20, 2025 at 9:19 AM
I just wonder if reaching ChatGPT limit in Xcode (while being a Plus subscriber) so quickly today has something to do with AWS servers are down.
Waking up at 5:00 AM for school should be banned by law. And in case my older son it is four times in a week.
October 15, 2025 at 3:22 AM
Waking up at 5:00 AM for school should be banned by law. And in case my older son it is four times in a week.
And this it the photo on screen :)
October 14, 2025 at 5:06 PM
And this it the photo on screen :)
New monitor on my desk a new „Apple style” Philips 5K 27E3U7903
October 14, 2025 at 5:04 PM
New monitor on my desk a new „Apple style” Philips 5K 27E3U7903
Yet another test… ;)
October 14, 2025 at 1:29 PM
Yet another test… ;)
Just testing… move along :)
October 14, 2025 at 1:25 PM
Just testing… move along :)
Reposted by Krystian Kozerawski
I’ve just released my new app 🎉 My Prompt Tester – a simple tool for testing prompts and instructions for Apple Intelligence.
Free on macOS, iOS & iPadOS 👉 apps.apple.com/us/app/my-pr...
Free on macOS, iOS & iPadOS 👉 apps.apple.com/us/app/my-pr...
My Prompt Tester
Draft and test prompts and instructions for Apple Intelligence. Copy the prompt, instruction, and response together in one tap—or save them as a set. Saved sets sync with iCloud so you can access the...
apps.apple.com
September 24, 2025 at 5:07 AM
I’ve just released my new app 🎉 My Prompt Tester – a simple tool for testing prompts and instructions for Apple Intelligence.
Free on macOS, iOS & iPadOS 👉 apps.apple.com/us/app/my-pr...
Free on macOS, iOS & iPadOS 👉 apps.apple.com/us/app/my-pr...
I’ve just released my new app 🎉 My Prompt Tester – a simple tool for testing prompts and instructions for Apple Intelligence.
Free on macOS, iOS & iPadOS 👉 apps.apple.com/us/app/my-pr...
Free on macOS, iOS & iPadOS 👉 apps.apple.com/us/app/my-pr...
My Prompt Tester
Draft and test prompts and instructions for Apple Intelligence. Copy the prompt, instruction, and response together in one tap—or save them as a set. Saved sets sync with iCloud so you can access the...
apps.apple.com
September 24, 2025 at 5:07 AM
I’ve just released my new app 🎉 My Prompt Tester – a simple tool for testing prompts and instructions for Apple Intelligence.
Free on macOS, iOS & iPadOS 👉 apps.apple.com/us/app/my-pr...
Free on macOS, iOS & iPadOS 👉 apps.apple.com/us/app/my-pr...
The radio app Eter, I created and which I have been developing together with our team at Apparent Software, just received major update and new features: searching for fav stations in Spotlight, a detachable mini player (macOS), enable or disable Shazam in CarPlay. mackozer.medium.com/whats-new-in...
What’s New in Eter 2.8
The Eter app for listening to internet radio stations on Mac, iPhone, iPad, as well as Apple TV and Apple Watch (which I created and have…
mackozer.medium.com
August 22, 2025 at 11:29 AM
The radio app Eter, I created and which I have been developing together with our team at Apparent Software, just received major update and new features: searching for fav stations in Spotlight, a detachable mini player (macOS), enable or disable Shazam in CarPlay. mackozer.medium.com/whats-new-in...
As part of a personal hackathon, I quickly built a new timer app (including Pomodoro) for iOS and macOS. It’s called Focus Pebble. I wrote more about it here: mackozer.medium.com/focus-pebble...
Focus Pebble — My Timer App for iOS and macOS
I’m back with another app I’ve created. As always, I design my apps primarily to meet my own needs, but I keep a broader audience of…
mackozer.medium.com
July 30, 2025 at 8:14 PM
As part of a personal hackathon, I quickly built a new timer app (including Pomodoro) for iOS and macOS. It’s called Focus Pebble. I wrote more about it here: mackozer.medium.com/focus-pebble...
PL: w ramach osobistego hackathonu napisałem dość szybko nową aplikację z minutnikami (także z Pomodoro) dla iOS i macOS. Nazywa się Focus Pebble. Więcej o niej piszę tutaj: myapple.pl/posts/31944-...
Focus Pebble – moja kolejna aplikacja dla iOS i macOS
Wracam do Was, drodzy Czytelnicy, z kolejną aplikacją mojego autorstwa. Jak zwykle, tworzę programy przede wszystkim na własne potrzeby, ale zawsze z myślą o szerszym gronie potencjalnych użytkowników...
myapple.pl
July 30, 2025 at 8:14 PM
PL: w ramach osobistego hackathonu napisałem dość szybko nową aplikację z minutnikami (także z Pomodoro) dla iOS i macOS. Nazywa się Focus Pebble. Więcej o niej piszę tutaj: myapple.pl/posts/31944-...
A quick peek into early implementation of Liquid Glass in Eter. This summer we are working full speed to have our apps ready for iOS 26 and macOS 26 (and other 26s too).
July 28, 2025 at 12:55 PM
A quick peek into early implementation of Liquid Glass in Eter. This summer we are working full speed to have our apps ready for iOS 26 and macOS 26 (and other 26s too).
Trickster, an excellent recent files and apps manager and a brilliant extension for Finder, is also available at a 50% discount as part of Indie App Sales.
Trickster currently costs $14.99
apps.apple.com/us/app/trick...
Trickster currently costs $14.99
apps.apple.com/us/app/trick...
Trickster: Recently Used Files
Trickster - Quickly act on relevant recent files, folders, and apps
If you work with files at all, Trickster is the ultimate productivity booster for you.
What are others saying about Trickster?
**...
apps.apple.com
July 15, 2025 at 12:05 PM
Trickster, an excellent recent files and apps manager and a brilliant extension for Finder, is also available at a 50% discount as part of Indie App Sales.
Trickster currently costs $14.99
apps.apple.com/us/app/trick...
Trickster currently costs $14.99
apps.apple.com/us/app/trick...
Full version of our radio app Eter is 50% off as part of Indie App Sales! It currently costs $4.49.
Full version unlocks adding stations to fav. list with iCloud sync, use the sleep timer, access the playback history of the stations, hide recommended station list.
apps.apple.com/us/app/eter-...
Full version unlocks adding stations to fav. list with iCloud sync, use the sleep timer, access the playback history of the stations, hide recommended station list.
apps.apple.com/us/app/eter-...
Eter: Streaming Internet Radio
Eter Radio is an app for listening to Internet radio stations. Eter Radio is available in a universal version for macOS, iOS, iPadOS, watchOS and tvOS.
Eter Radio uses the publicly available radio-b...
apps.apple.com
July 15, 2025 at 10:21 AM
Full version of our radio app Eter is 50% off as part of Indie App Sales! It currently costs $4.49.
Full version unlocks adding stations to fav. list with iCloud sync, use the sleep timer, access the playback history of the stations, hide recommended station list.
apps.apple.com/us/app/eter-...
Full version unlocks adding stations to fav. list with iCloud sync, use the sleep timer, access the playback history of the stations, hide recommended station list.
apps.apple.com/us/app/eter-...
#Polish: Kto się jeszcze nie zaopatrzył w pełne wersje naszych aplikacji Eter i Trickster to jest dobra okazja ku temu! myapple.pl/posts/31890-...
Eter i Trickster tańsze o połowę w ramach Indie App Sales
Stworzona przeze mnie aplikacja radiowa Eter dla iOS i macOS oraz świetny menedżer ostatnio otwieranych plików Trickster dla macOS – obie aplikacje rozwijane przez zespół Apparent Software, do którego...
myapple.pl
July 15, 2025 at 10:04 AM
#Polish: Kto się jeszcze nie zaopatrzył w pełne wersje naszych aplikacji Eter i Trickster to jest dobra okazja ku temu! myapple.pl/posts/31890-...
Watching streaming of Back To The Beginning a farewell festival to Ozzy Osbourne. Unfortunately stream works properly only on Chrome on my MacBook Pro, so I had to plug it into a projector, luckily I can use AirPlay to send sound to my Sonos speakers. Currently watching Anthrax on stage! \m/
July 5, 2025 at 2:55 PM
Watching streaming of Back To The Beginning a farewell festival to Ozzy Osbourne. Unfortunately stream works properly only on Chrome on my MacBook Pro, so I had to plug it into a projector, luckily I can use AirPlay to send sound to my Sonos speakers. Currently watching Anthrax on stage! \m/