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Author: James O'Claire

Hello Claude, can you fix this? Claude: error

AI can’t solve novel problems yet

Posted on June 4, 2025June 4, 2025 by James O'Claire

I saw this hilarious exchange in one of the issues covering Apple’s recent changes that make it impossible to download IPA files. Recreating an iPhone’s authentication to Apple App Store is a bit of a cat and mouse game. Apple recently changed it’s backend, so now dozens of projects are trying to find ways to…

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The SDKs and trackers in Perplexity's android app

The Trackers and SDKs in ChatGPT, Claude, Grok and Perplexity

Posted on May 31, 2025 by James O'Claire

Well for a quick weekend recap I’m going to look at which 3rd party SDKs and API calls I can find in the big 4 Android chat apps based. We’ll be using free data from AppGoblin which you can feel free to browse at any of the links below or on tables. Data is collected…

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How to self host your own S3 in 2025

Posted on May 27, 2025 by James O'Claire

Well, multiple disks hovering close to 99%, it’s definitely time to increase storage for OpenAttribution and AppGoblin. I needed cheap S3 hosting, and I had a pretty strong urge to do it myself. Parts This should be up to you, but in the end I ended up grabbing an 8-bay Just-a-Bunch-Of-Disks (JBOD) which is a…

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Apple: The Silent Advertising Monopoly

Posted on May 2, 2025 by James O'Claire

The good news just keeps coming: Apple was found to be violating antitrust relating to it’s App Store monetization policies. We (in the mobile ad space) have known this for years here’s me mentioning that Apple is a monopoly on iOS advertising in a blog post in 2022. I’m just happy that the courts are…

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Watching the Watchers: What to track when tracking app trackers?

Posted on April 25, 2025April 25, 2025 by James O'Claire

This week I spent a lot of time automating my collection of data via a MITM with an Android Emulator. This lets me peek at the actual traffic and data leaving the device to try and figure out a few things: Who is the app working with? This is the primary question, to be able…

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Free Mobile App ASO Tools: Fastest Growing Apps & Keyword Research added to AppGoblin

Posted on April 18, 2025 by James O'Claire

By popular demand AppGoblin has added a ranking of the current fastest growing apps based on their installs or ratings. These include apps that may have been out on the store for awhile, but have recently seen classic exponential hockey stick style growth. This helps app marketers see what apps are trending in real time….

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2025 How to Sniff Android HTTPS Traffic with Waydroid & mitm-proxy

Posted on April 14, 2025April 14, 2025 by James O'Claire

Looking to add traffic analysis to my free mobile app intelligence platform AppGoblin, I needed to get an emulator up and running with a way to track the HTTPs traffic leaving the app. I’ve done this a couple years now, writing down my notes in github.com/ddxv/mobile-network-traffic and it never seems to get any easier 🥲,…

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Easiest way to get Tanstack Table v8 working with Svelte 5!

Posted on April 9, 2025 by James O'Claire

Easy way to get tanstack v8 working with svelte 5 and Skeleton

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Which Apps have Mobile Trackers on Your Android Phone?

Posted on April 4, 2025April 4, 2025 by James O'Claire

I recently made an Android App for AppGoblin! This uses the Android permission QUERY_ALL_PACKAGES to give you a list of all apps on your device, and select which ones to request their de-compiled data to see which trackers you likely have on your phone for each app. The data comes from my own database of…

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Open Attribution Logo

Nearly 50% of Android Apps use Mobile Trackers

Posted on March 11, 2025March 11, 2025 by James O'Claire

There are 5 large mobile app trackers, also called MMPs. Those are AppsFlyer, Adjust (owned by AppLovin), Branch and Yandex AppMetrica. These mobile attribution companies track users data across many apps. For Android nearly 50% of all apps contain a mobile app tracker and for iOS a bit less at 1 in 4 apps. This…

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Recent Posts

  • AI can’t solve novel problems yet
  • The Trackers and SDKs in ChatGPT, Claude, Grok and Perplexity
  • How to self host your own S3 in 2025
  • Apple: The Silent Advertising Monopoly
  • Watching the Watchers: What to track when tracking app trackers?

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