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Stefan

@stefankozik.bsky.social
46 followers 9 following 60 posts

• iOS Swift & SwiftUI Developer | Inclusive UI & UX Designer • creator of Filmatica, Quitly and Majestific apps

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Stefan @stefankozik.bsky.social · 17/03/2026
I didn’t want my paywall to feel too generic, so I built an interactive swipe-based experience. Thoughts? - Works on all iPhone sizes - Dynamically adjusts offsets based on user gestures - Built entirely in SwiftUI
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Stefan @stefankozik.bsky.social · 10/03/2026
Created this smooth drag & drop interactions in SwiftUI (with multi-item support) ✨ The goal was to get as close as possible to the Things 3–style drag & drop experience, while also supporting multi-item drag.
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Stefan @stefankozik.bsky.social · 24/02/2026
Good swipe actions are underrated. They don’t just save taps, they can reduce decision time. I'm testing custom swipe gestures with clearer visual cues (color + motion) so actions feel obvious before commit. Would you improve something?
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Stefan @stefankozik.bsky.social · 19/02/2026
Apple please let me see my iPhone and Watch battery here!
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Stefan @stefankozik.bsky.social · 12/02/2026
Recreating Apple’s glow effect using SwiftUI. #swiftui #iosdev #indiedev #ui #UXDesign #buildInPublic
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Stefan @stefankozik.bsky.social · 07/02/2026
Love this sticky header interaction 🙌 #UX #SwiftUI #iOS
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Stefan @stefankozik.bsky.social · 05/02/2026
I really love using SwiftUI’s matchedGeometryEffect! #swiftui #iosdev #indiedev #ui #UXDesign
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Stefan @stefankozik.bsky.social · 10/11/2025
I’m redesigning the Quitly app icon. Which one do you like best? I’m trying to make it simpler but still engaging. The first one is currently used. #iosdev #indiedev #ui #UXDesign #SwiftUI
Icons variations for Quitly app.
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Stefan @stefankozik.bsky.social · 04/11/2025
What’s your ratings / downloads ratio in your apps? As we all know, ratings and reviews play a huge role in ranking higher on the App Store. So what are your best practices to gain more reviews organically? #iosdevelopers #buildinpublic #indiedevs
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Stefan @stefankozik.bsky.social · 12/10/2025
Localizing apps can be really exhausting. Do you have any tips or tricks for producing localized screenshots and metadata for your apps? So far, I’ve been using Figma and manually translating and inserting all the different titles for each language. #iosdev #SwiftUI #UIDesign
Different localizations for Quitly app.
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Stefan @stefankozik.bsky.social · 08/10/2025
Lock screen widgets are finally coming to Quitly! I’ve heard mixed opinions about whether it’s beneficial to see something you’re trying to quit, but as I realized, for many people it can be motivating to see their progress they’re proud of. What do you think? #swiftui #iOSDev #ui #UXDesign
Lock Screen widgets in Quitly app.
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Stefan @stefankozik.bsky.social · 07/10/2025
Any native German speakers here? I’d love to hear a feedback on the German App Store screenshot texts. I used GPT for the translation, but I’m not sure if it sounds natural enough. What do you think? (I also attached the English version for reference and context.) #iosdev #indiedev #aso
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Stefan @stefankozik.bsky.social · 01/10/2025
Trying out different paywall designs. Which one works better for film/analog feel? Any suggestions what to improve? #swiftui #iosdev #indiedev #ui #UXDesign
Design concepts of a paywall for Filmatica app.
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Stefan @stefankozik.bsky.social · 29/09/2025
Which one would you go for? Left or Right? #swiftui #iosdev #indiedev #ui #UXDesign
Onboarding variations in Filmatica app.
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Stefan @stefankozik.bsky.social · 20/09/2025
In iOS 26 widgets (clear mode), images seem to fill entirely, making them hard to tell apart. Does someone know how to make them more visible/transparent in SwiftUI? Any tips you’re using in your apps? #swiftui #iosdev #indiedev #ui #UXDesign
Image presenting side by side comparison of widgets between iOS 18.5 and iOS 26
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Stefan @stefankozik.bsky.social · 19/09/2025
A swipe gesture with interactive buttons, made in SwiftUI using a horizontal ScrollView and ScrollViewReader. #swiftui #iosdev #indiedev #ui #UXDesign
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Stefan @stefankozik.bsky.social · 17/03/2025
Hey guys, does anyone know the best way to get device orientation updates in SwiftUI, even when the user has locked the orientation on their iPhone? I’m trying to achieve the same effect as the native Camera app, where icons rotate despite the device's orientation being locked. 🤷‍♂️
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Stefan @stefankozik.bsky.social · 14/02/2025
1 Month Sugar-Free Complete! A whole month without sugar and sweets! So far, sticking to my New Year’s resolution has been a success! Anyone else hitting some milestones this year? #NewYear2025 #Habits #Health #indiedev #AppDevelopment #ui #UXDesign
An image showing a one-month streak in Quitly app.
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Stefan @stefankozik.bsky.social · 02/01/2025
Happy New Year to everyone! 🎉 Wishing you an amazing 2025 filled with success and growth! Stay awesome! For me, 2024 was all about consistency. The goal: never miss a day. Feel free to share your GitHub calendars! Here’s mine: #buildinpublic #indieDev #swiftui #github #git #indiehackers #appDev
a GitHub calendar
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Stefan @stefankozik.bsky.social · 20/12/2024
Do you prefer building custom components, or do you rely more on the native UI elements provided by iOS? Custom selection pickers made in SwiftUI using GeometryReader and the custom Shape API #swiftui #iosdev #indiedev #buildinpublic #ui #ux
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Stefan @stefankozik.bsky.social · 16/12/2024
Exploring various animations using the Swift Charts API for Quitly. How do you handle empty charts with no data? Do you prefer labels to inform users, or sample data as a layout preview? #swiftui #iosdev #indiedev #buildinpublic #ui #ux
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Stefan @stefankozik.bsky.social · 10/12/2024
How much time do you spend optimizing your app's UI for iPads? I recently added iPad support to Quitly, and now I’m deciding what platform to focus on next. Apple Watch or Mac. What would you go for? #swiftui #iosdev #indiedev #ui #UXDesign #buildInPublic
An image showcasing Quitly app opened on an iPad and an iPhone side by side.
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Stefan @stefankozik.bsky.social · 01/12/2024
Collapsing header animation in one of my apps made with SwiftUI. Header is animated using GeometryReader, allowing it to shrink as you scroll. Both the header and ScrollView are embedded in a ZStack, aligned to the top. What do you think? #swiftui #iosdev #indiedev #ui #UXDesign #buildInPublic
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Stefan @stefankozik.bsky.social · 25/11/2024
Do you use onboarding screens? I believe onboarding should be quick and straight to the point, providing a chance to make a great first impression on the user. Simple onboarding with subtle animations using SwiftUI. #indiedev #buildinpublic #SwiftUI #Swift #iOS
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Stefan @stefankozik.bsky.social · 19/11/2024
My App Quitly has been featured in the Medium article: "10 Superb Apps That Make My iPhone & Mac a Powerhouse!". 
Big shoutout to Clark for the awesome selection of all the apps! Truly insightful and valuable tips! medium.com/macoclock/10... 
#indiedev #buildinpublic #SwiftUI #Swift #iOS
medium.com
Medium
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Stefan @stefankozik.bsky.social · 15/11/2024
Do you use "What's New" screens in your apps after updates? Do you find them valuable for users, or do you think they are disturbing and intrusive? What are your thoughts? #swiftui #iosdev #indiedev #ui #UXDesign
An image showing a screenshot of whats new screen in Quitly App
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Stefan @stefankozik.bsky.social · 13/11/2024
Which one would you go for: Left or Right? Can’t decide between a rough transition and a gradient fade out. Playing around with some UI concepts in SwiftUI. #swiftui #iosdev #indiedev #ui #UXDesign #buildInPublic
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