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Felix Krause

@krausefx.com
1.7K followers 360 following 263 posts

Currently building contextsdk.com - Security Researcher - Creator of fastlane.tools (Previously Google, Twitter)

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Felix Krause @krausefx.com · 22/12/2025
fastlane back alive, thanks @connortumbleson.com
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Felix Krause @krausefx.com · 14/11/2025
Oh how I love macOS storage management
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Felix Krause @krausefx.com · 29/10/2025
Oh yes GitHub, I think 40 comments are enough, feel free to just not show the other feedback I got on my PR.
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Felix Krause @krausefx.com · 03/10/2025
wtf is dubai
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Felix Krause @krausefx.com · 15/06/2025
"While I leverage AI for my work, my blog posts are handcrafted"
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Felix Krause @krausefx.com · 07/05/2025
As per @steipete.me recommendation, I replaced Google with Kagi (paying $10/m) while already using Perplexity for AI-searches. Just being able to raise, lower and pin hosts is such a big quality of life upgrade.
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Felix Krause @krausefx.com · 22/02/2025
Using Linear has been such a pleasant experience so far, so many little delightful interactions. Something that's hardly felt in most software nowadays.
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Felix Krause @krausefx.com · 01/02/2025
From the initial idea 5 years ago of wanting mobile apps to be smarter and better aligned with our real-life, to a team of 10 full-time members, and now our very own real office in Vienna, with our ContextSDK sign on the main street of Mariahilferstraße 🪧💪
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Felix Krause @krausefx.com · 23/01/2025
From the initial idea 5 years ago of wanting mobile apps to be smarter and better aligned with our real-life, to a team of 10 full-time members, and now our very own real office in Vienna, with our @contextsdk.bsky.social sign on the main street of Mariahilferstraße 🪧
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Felix Krause @krausefx.com · 05/12/2024
Google Maps, reporting a police, to protect pedestrians
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Felix Krause @krausefx.com · 05/12/2024
Google Maps, reporting a police, to protect pedestrians
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Felix Krause @krausefx.com · 18/11/2024
I remember when I first joined Twitter, I told my manager I didn't like my chair (turns out, it was a Herman Miller) I was used to the good stuff: IKEA Markus Chair & Chefsessel Regina. Been happily using this 169 EUR chair for the last 5 years now. Worth trying to switch?
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Felix Krause @krausefx.com · 18/09/2024
Successfully closed our Seed investment round, with our team growing from 5 to 10 full-time employees by EOY. Can't wait for what's next 🚀💪
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Felix Krause @krausefx.com · 13/08/2024
Crazy to see both CocoaPods and fastlane still growing
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Felix Krause @krausefx.com · 08/08/2024
krausefx.com/blog/how-to-automatica…
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Felix Krause @krausefx.com · 08/08/2024
How to automatically manage, monitor & rollout new machine learning models across your iOS app user base
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Felix Krause @krausefx.com · 30/07/2024
ContextSDK is sponsoring an @NSSpain 2024 ticket via a raffle. To participate, we'd love to hear from you and get feedback in a 30mins call on some upcoming ContextSDK prototypes Just drop me a DM, and we will get started.
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Felix Krause @krausefx.com · 11/06/2024
💼💥 ContextSDK is hiring: Join our team as an experienced Frontend Developer, helping us build an innovative way to show and manage Context Insights and Models. Focus on Next.js, Typescript and working closely together with the Product team & Designer
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Felix Krause @krausefx.com · 23/05/2024
Just published another CoreML piece for iOS developers on how to safely roll out new Machine Learning models to millions of iPhones. No DataScience or Machine Learning experience required
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Felix Krause @krausefx.com · 15/05/2024
We're constantly adding new insights - for example we will visualise how long your app is being used based on the real-world context. There are *huge* differences between apps, and verticals
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Felix Krause @krausefx.com · 15/05/2024
We just launched React Native support. Just 2 lines of code. Maybe we can simplify it even further, the free Context Insights may not need any license key 🤔
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Felix Krause @krausefx.com · 09/05/2024
I wrote a little piece on how you can train your first Machine Learning model, and run it inside your iOS app via CoreML. No DataScience or Machine Learning experience required
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Felix Krause @krausefx.com · 01/05/2024
📤 Just open sourced a solution to automatically send notes written on @thelightphone to my email inbox, and store a copy locally as a backup
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Felix Krause @krausefx.com · 25/04/2024
Scare an iOS dev in one picture
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Felix Krause @krausefx.com · 23/04/2024
Why does @SlackHQ Mac app not show the sender's profile picture like other apps (e.g. @TextsHQ)?
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Felix Krause @krausefx.com · 23/04/2024
📨
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Felix Krause @krausefx.com · 17/04/2024
Something New
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Felix Krause @krausefx.com · 13/04/2024
iOS apps now have Cookie Banners *inside* their apps I was told that within the next few years, more & more larger companies will listen to their legal team and implement such nonsense.
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Felix Krause @krausefx.com · 04/04/2024
🕺 We just launched a C# native Unity integration for ContextSDK, with our first customer having shipped successfully to optimise their game's conversion rates while reducing annoying prompts. Few lines of code, and you're ready to go 🚀
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Felix Krause @krausefx.com · 18/03/2024
A little upgrade for my day-to-day life - until I can get my @thelightphone
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Felix Krause @krausefx.com · 12/03/2024
🤫 Launching something new very soon
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Felix Krause @krausefx.com · 21/02/2024
🎉 Exciting times: Today marks the first step in going public with how Context actually works, and how to leverage it to make your app smarter & more efficient. Getting started in just 5 minutes
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Felix Krause @krausefx.com · 01/02/2024
Most of our customers are using @CocoaPods, so you can leverage another (public) podspec for easy distribution. Manual installation is as easy as a drag & drop of the .xcframework. And lastly, SPM requires just a simple Package.swift file to get started
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Felix Krause @krausefx.com · 01/02/2024
Remember Xcode project file merge conflicts? Instead, you should leverage a local podspec, allowing you to iterate quickly, without the hassles of random merge conflicts of non-human files.
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Felix Krause @krausefx.com · 26/01/2024
We then provide you with your own ContextSDK binary that contains your custom model. All context-decisions then happen directly on-device, and require no network connection. Again: the integration of the machine learning model only requires 2 LOC
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Felix Krause @krausefx.com · 26/01/2024
We just launched our new @Context_SDK integration: Add 2 lines of code to your app to start calibrating our real-world signals to start training your own custom-model
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Felix Krause @krausefx.com · 24/01/2024
Excited to have our robust & scalable ContextSDK infrastructure running for the last 5 months, excellent engineering work Reinhard, so great to have you onboard! Here are some tech details on how we process >40 Million Context events per day
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Felix Krause @krausefx.com · 10/01/2024
📈 Big ContextSDK moves: onboarding our next full-time employee on Monday, and now looking to hire a DevRel person next. DM me if you know someone, or are interested in applying
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Felix Krause @krausefx.com · 29/12/2023
I remember when we could play full real-time strategy games on our iPhones, like SimCity Deluxe and The Settlers IV 🥰 The PC originals, on-device, no internet-requirement, no in-app purchases.
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Felix Krause @krausefx.com · 15/12/2023
With we're launching our first lightweight, hyper-focused ContextSDK tool: Helping iOS apps with ad-revenue better time their ATT prompt by considering the real-world environment of the user We started with ATT, as it shows immediate revenue growth, and
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Felix Krause @krausefx.com · 12/12/2023
I never understood why Apple would allow changing one's Apple ID password with just a PIN code. A huge security risk imo, somebody watching you enter your pin code, and robbing your phone 9to5mac.com/2023/12/12/apple-stolen…
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Felix Krause @krausefx.com · 29/11/2023
This was the iTunesConnect peak time. Also, back when handling the double status bar was impossible for most apps.
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Felix Krause @krausefx.com · 22/11/2023
Infrastructure work getting really enjoyable these days. The available tools are just incredible contextsdk.com/developers
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Felix Krause @krausefx.com · 19/11/2023
Can't get enough of this number going up - about to cross 1B ContextSDK events. All without any PII. contextsdk.com/developers
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Felix Krause @krausefx.com · 14/11/2023
€10/m for completely ads-free Instagram and Facebook is excellent, so happy to be paying for a service instead of being bombarded with ads. Thanks EU!
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Felix Krause @krausefx.com · 02/11/2023
@1Password Red notifications badges everywhere still. I have multiple profiles, so I'll need to manually dismiss them multiple times, every other week.
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Felix Krause @krausefx.com · 27/10/2023
We're hiring our first Data Scientist (remote) for ContextSDK, helping us grow ContextSDK from 20 to the next 1,000 large customers. If you, or anyone in your network is interested, please let us know contextsdk.com/careers
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Felix Krause @krausefx.com · 05/10/2023
What happened to animations on iOS? I feel like most of the love and craft went away 🥺
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Felix Krause @krausefx.com · 20/09/2023
Why is #iosprocessingtime still a thing 🐌
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Felix Krause @krausefx.com · 14/09/2023
Also, as far as I understand, the iCloud Backup on iOS isn't synced or accessible from macOS? If so, we'd be able to access historic backups, but from what I can see, it's another Apple closed-box without any insights
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