# Discovering iOS Memory Leaks IV: Detecting via Unit Tests

DevFeed: [Discovering iOS Memory Leaks IV: Detecting via Unit Tests](<https://devfeed.tech/articles/discovering-ios-memory-leaks-iv-detecting-via-unit-tests-28531.md>)

Original publisher: [Read original article](<https://www.amanjeet.me/discovering-ios-memory-leaks-iv-detecting-via-unit-tests/>)

Author: Amanjeet Singh Gurtatta

Published: 2026-01-07T01:46:06Z

Content type: tutorial

Language: en

Sources: [Amanjeet Singh](<https://devfeed.tech/sources/amanjeet-singh.md>)

Topics: [iOS](<https://devfeed.tech/topics/ios.md>), [Memory Leaks](<https://devfeed.tech/topics/memory-leaks.md>), [unit tests](<https://devfeed.tech/topics/unit-tests.md>), [Xcode](<https://devfeed.tech/topics/xcode.md>), [macOS](<https://devfeed.tech/topics/macos.md>)

Tags: [ios](<https://devfeed.tech/tags/ios.md>), [macos](<https://devfeed.tech/tags/macos.md>), [memory](<https://devfeed.tech/tags/memory.md>), [memory-leak](<https://devfeed.tech/tags/memory-leak.md>), [memory-leaks](<https://devfeed.tech/tags/memory-leaks.md>), [tests](<https://devfeed.tech/tags/tests.md>), [unit-tests](<https://devfeed.tech/tags/unit-tests.md>), [xcode](<https://devfeed.tech/tags/xcode.md>)

## AI overview

This article explores detecting real iOS memory leaks with unit tests instead of UI tests. It describes running the macOS leaks tool against the Firefox process during unit-test teardown in the iOS simulator to shorten the feedback cycle and broaden coverage.

## Source excerpt

Using unit tests and macOS leaks tool to catch real iOS memory leaks.