MetricKit Internals. Insights into your iOS app performance.
MetricKit is a completely new tool for performance analytics. Take a look at how it works and delve a bit under the hood of a new framework.
AppSpector Engineering Blog
How to port your iPad app to Mac using Catalyst
Catalyst presented this year opens new horizons for iOS developers. Let's dive in and migrate a real iOS app to the macOS!
ios
How to use the URLSessionWebSocketTask in Swift. Post WWDC deep-dive review.
Learn how to use URLSessionWebSocketTask to add real-time communication with WebSockets to your app.
news
AppSpector News: Flutter and Encryption
We are thrilled to announce that now AppSpector supports Flutter platform, NSUserDefaults, SharedPreferences monitors and end-to-end encryption is available for early access.
wwdc2019
XCFrameworks Internals
XCFrameworks is one of the new features Apple showed at WWDC this year. What does it mean for library developers and how to build your own? Let's dive in!
javascript
How to use streaming parsing in JavaScript
In this article, you will learn about streaming parsing in JavaScript that allows you to significantly improve your application performance.
javascript
How to improve MessagePack JavaScript decoder speed by 2.6 times.
In this article you will learn about JavaScript performance optimizations that allowed us to significantly improve MessagePack decoding speed.
xcode
Building custom Xcode Instruments package, XML strikes back
Let's continue or journey to a magic world of writing XML by hand in a second part of our article about custom Instruments packages.
coredata
Finally, you can have a remote Core Data Browser.
We've just launched Core Data Browser. This is a special present for all iOS developers.
xcode
Building custom Xcode Instruments Package
Instruments is the best tool ever for debugging your iOS/macOS apps and writing your own is a gem for complex projects. Let's build one together!