
How to Detect App Hangs in iOS Apps, and Fix Them.
One major objective for any app developer is to make sure that their iOS app is smooth and responsive. So, how does one make sure the app is responsive?
Don Peter4 min read
iOS guides for Swift and SwiftUI developers. Diagnose app hangs, crashes, memory leaks and main thread issues, and build faster, more reliable apps with Xcode, Instruments and Swift concurrency.
82 articles, newest first. Page 7 of 7.

One major objective for any app developer is to make sure that their iOS app is smooth and responsive. So, how does one make sure the app is responsive?
Don Peter4 min read

The impact of memory leaks, abnormal memory usages, slow frames and frozen frames, ANR and App Hang, UI thread blocks, network issues, and all other bugs are now presented in a tangible way. Also bugs can be ordered based on the number of devices that are affected. This helps mobile app developers to prioritise bugs and to understand where they need to focus on to improve the performance of the app.
Appxiom Team1 min read

When iOS app consumes increasing amount of memory, it may lead to app crash. Appxiom reports high memory usage with data to reproduce them.
Don Peter4 min read

With basic integration, Appxiom is capable of detecting frame rate issues in iOS apps. To avoid frame rate issues, UI thread should not be burdened with any time consuming processes.
Don Peter4 min read

Memory leak is a critical bug in watchOS apps, that often go unnoticed during development. Memory leaks can lead to EXC_BAD_ACCESS error and will manifest as app crashes in watchOS.
Don Peter2 min read

API bugs are the most common bugs in iOS and contribute 45% of all issues reported, followed by crashes at 25%. Memory leaks contribute 10% of bugs and came third in the list. Frame skips came next at 5%.
Don Peter1 min read

Appxiom reports API issues like status code errors, delay in API call execution, duplicate API calls in watchOS apps. Apart from API call issues, Appxiom is capable of detecting bugs like crashes, frame rate issues, abnormal memory usage, NSException based crashes, function, feature failures and custom issues.
Don Peter2 min read

Appxiom framework for watchOS detects bugs like high memory usage, API issues, NSException based crashes, in live apps.
Don Peter3 min read

Appxiom detects crashes in iOS apps and reports them will all the relevant data to find the root cause of crashes
Don Peter3 min read

Appxiom detects memory leaks in live iOS apps. The framework is available for both Objective-C and Swift.
Don Peter2 min read
Appxiom traces silent failures, frozen frames and broken user journeys back to the code that caused them, and shows what each one costs. Bring that context into your AI coding agent with the Appxiom MCP Server and Agent Skills.