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Kai Oelfke

Blogging about side projects and life

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Latest posts

TipKit: Things to know before using popoverTip()

The usecase I make Fasty an intermittent fasting app. The app is quite simple, with two tabs. The first one is for fasting and looks like this: One of the most common support requests I receive is that users want to edit the time when they started...

SwiftUI Environment: How changed EnvironmentValues propagate to child views

Background: While working on a side project for tracking expenses , I noticed an issue with location updates. The app determines the closest place e.g. a restaurant based on the current location. This is used to prefill the expense form. Nobody likes...

March 2021 Retro

This is going to be more of a blog post behind the story of Amicu 3. But that’s what I worked on in March and will continue with in April. Amicu Like in February, I didn’t do much marketing. I’m focused on developing Amicu 3. Since December last...

February 2021 Retro

Amicu I didn’t do much marketing and the numbers show that. Most downloads came from the App Store directly. Two feature requests Besides the usual bug fixing and performance improvements I worked on two new things. Both requested by customers...

January 2021 Retro

Amicu January 2021 has been a record month for Amicu. I made almost as many sales in one month as I made in all of 2020 ($170). New subscribers: 5 (3 monthly, 2 yearly) Churned subscribers: 2 Total subscribers: 15 MRR: $ 48.49 What I worked...

My 2020 in review

Why do I do this? I always enjoyed reading yearly reports of other people. This is the first attempt at making my own. And I try it as an alternative to social media updates. So this is for my future self and anyone, who wants to know what I’ve been...