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App Hangs in iOS: Causes, Code Fixes, and How to Spot Them

· 5 min read
Don Peter
Cofounder and CTO, Appxiom

Ever tapped a button in your app and waited... and waited... until you started questioning your life choices?

Yeah, that's an app hang.

It's not a crash. It's worse. Your app doesn't explode, it just freezes. Quietly. Awkwardly. Like someone forgot their lines on stage and now the whole audience is staring.

App hangs are sneaky. They don't always show up in crash reports. But your users feel them. In the lags, the unresponsive screens, the moments when they swipe but nothing moves. And if it happens too often? That uninstall button starts looking real attractive.

But it doesn't have to be that way.

Let's fix the freeze before the curtain falls.

How to Detect and Fix Android Memory Leaks Before They Crash Your App

· 4 min read
Andrea Sunny
Marketing Associate, Appxiom

Have you ever dated someone who just… wouldn't let go?

You break up, move on, start fresh - and boom - they're still texting, still showing up in your life, refusing to be deleted.

That's your app with a memory leak.

It's holding on to screens, data, and objects long after it should've moved on. You've moved past the Activity, but it's still lingering in memory like a clingy ex who didn't get the memo.

The worst part? You might not even know it's happening.

But users will. They will feel it in the slowdowns, the crashes, the app that once felt smooth now feeling… emotionally unavailable.

And in Android, they're not just annoying. They're dangerous. They can slow down your app, cause freezes, and eventually - boom! A crash.

Let's dive into the most common memory leak scenarios in Android. I'll walk you through real-world examples, show you how to spot them, and most importantly, how to fix them.

How to Build an Offline-Capable Android App with Jetpack Compose and Kotlin

· 6 min read
Robin Alex Panicker
Cofounder and CPO, Appxiom

The streak broke. So did the flow.

It wasn't that I forgot. I remembered, just a little too late.

Right before midnight, I opened the app to log my progress. But the screen just sat there, trying to connect. No internet. No log. No streak.

It sounds small, but if you've ever built a habit one day at a time, you know what a streak can mean. It's not just numbers. It's proof. And losing it? That stings.

That moment made one thing very clear: apps that help you grow should work with you, not against you, especially when the internet doesn't cooperate.

So let's build something better.

How to Avoid Memory Leaks in Jetpack Compose: Real Examples, Causes, and Fixes

· 5 min read
Andrea Sunny
Marketing Associate, Appxiom

"Hey… why does this screen freeze every time I scroll too fast?"

That's what my QA pinged me at 11:30 AM on a perfectly normal Tuesday.

I brushed it off. "Probably a one-off," I thought.

But then the bug reports started trickling in:

  • "The app slows down after using it for a while."
  • "Navigation feels laggy."
  • "Sometimes it just… dies."

That's when the panic set in.

How to Use Gradle Flavors in Android to Build Multiple App Versions from One Codebase

· 6 min read
Andrea Sunny
Marketing Associate, Appxiom

Ever wondered how big apps manage free vs paid versions, or white-label multiple client apps from a single Android project? The answer is Gradle Flavors.

Imagine you're building an app for a fitness startup. The client loves it. Then they say: "Can we also get a version for our premium users, with extra features and no ads? Oh, and one more version for our corporate partners?"

You smile, and quietly panic.

Do you:

  • Copy the codebase three times?
  • Manually toggle features before every build?
  • Cry?

Nope. You use Gradle Flavors.

Smarter iOS App Testing with BrowserStack and Appxiom

· 6 min read
Andrea Sunny
Marketing Associate, Appxiom

You're test-driving a car. Everything seems fine, until you hit 60 mph and the steering wheel starts shaking. Weird, right? You take it back to the shop, only to hear, "Oh, that only happens on highways. We didn't test for that."

Now imagine that same moment, but with your iOS app. It passes all your tests locally. Looks great on your simulator. But when it lands in the real world? Crash on iOS 16.3. A layout glitch on the iPhone SE. A memory spike on iPadOS.

Here comes your first comment, "App keeps crashing when I switch tabs. iOS 16.3."

And boom! Your 5-star rating dips, users uninstall, and your team scrambles in damage-control mode.

That's why modern iOS teams don't just test. They test right.

Let's talk about Appxiom + BrowserStack - a killer combo that brings you deep device coverage and smart issue detection in one efficient workflow.

What is BrowserStack?

BrowserStack is your all-access pass to testing iOS apps on real devices, without needing to build your own hardware lab. From the latest iPhones to older iPads running quirky iOS versions, it gives you cloud-based access to actual devices (not emulators), so you can run both manual and automated tests with ease. Think of it as having a fully-stocked Apple device warehouse right in your browser. Whether you're running regression tests or checking cross-device compatibility, BrowserStack helps you ensure your app looks sharp and works flawlessly, no matter where or how your users open it.

What Is Appxiom?

Now here's where Appxiom steps in, and turns up the heat in the best way possible.

Appxiom is a real-time issue detection platform that helps you catch crashes, performance drops, and user-impacting bugs during testing, before your users ever see them.

If BrowserStack shows you where your app might stumble, Appxiom shows you why. While your tests run across real iOS devices, Appxiom is silently at work in the background, listening in on everything that happens beneath the surface.

Crashes during navigation? It catches them. Memory leaks hiding behind a clean UI? Detected. Janky scrolls, sluggish taps, or performance drops? Marked. Bugs that quietly kill conversions? Flagged with business impact.

Appxiom doesn't just collect this data, it translates it into rich, actionable insights. You get real-time issue reports that include severity, device context, and user flow impact, all wrapped in a developer-friendly dashboard. Instead of digging through logs or guessing what went wrong, you know exactly what to fix, and why it matters.

The result? You stop reacting to bug reports after users complain and start resolving issues before they ever hit production. With Appxiom riding alongside your BrowserStack tests, every test session becomes a proactive debugging session. It's like running your app through an MRI while it performs on stage—and getting the results instantly.

How to Integrate BrowserStack and Appxiom Together for Smarter iOS Testing

Here's how to integrate BrowserStack and Appxiom into your iOS workflow:

Step 1: Setting Up BrowserStack

Head to browserstack.com and create your account. Explore their documentation to understand device setup, automation tools, and test configuration. Install required SDKs and dependencies for running your iOS tests.

Step 2: Integrating Appxiom

Register with Appxiom at appxiom.com and log in to the dashboard. Click "Add App" to connect your iOS app. Follow integration steps in the Appxiom Docs to embed the Appxiom framework into your app. Run a quick sanity test to make sure the integration is successful.

Step 3: Running Tests on BrowserStack

Choose your target iPhones or iPads from BrowserStack's real device lab. Configure the test environment and load your Appxiom-integrated app. Use your test framework to run automated test cases. Monitor UI behavior, response times, and user flow - all in real-time.

Step 4: Analyzing Appxiom Reports

Log in to your Appxiom dashboard after running tests on BrowserStack. Identify performance issues, crashes, UI glitches, or slowdowns detected during testing. Review detailed bug reports with data points like issue type, severity, device info, and timestamps. Use these insights to reproduce and resolve bugs quickly.

The Power of Pairing: Why BrowserStack + Appxiom Just Makes Sense

Imagine this: You're testing your iOS app on a real iPhone 14 using BrowserStack. Everything looks smooth on the surface. But beneath that pixel-perfect UI, Appxiom is quietly watching for deeper issues - things no visual test would catch.

That's the beauty of using both tools together. One handles the "outside," the other handles the "inside." And when paired, they give you something every developer dreams of: complete visibility.

Here's what you really get when you bring them together:

1. Enhanced Device Coverage

With BrowserStack, you're testing on actual iOS hardware. No flaky emulators, no simulator - only bugs. You see what your users see.

2. Silent Bug Surveillance

Silent killers like API issues, memory spikes, UI jank usually go undetected until it's too late. Appxiom flags them in real time, even if no one reports them.

3. Crystal-Clear Reproduction

When a bug appears, Appxiom shows you where, how, and why it happened, right down to the device, OS version, and line of code. Combine that with BrowserStack's stable testing environment, and reproducing bugs becomes effortless.

4. Fix What Matters, Fast

Not all bugs deserve a panic patch. Appxiom tells you which ones are impacting your users the most, so you prioritize smart, not out of fear.

5. Save Time. Save Budget. Save Face.

No more post-release chaos. With better pre-release coverage and proactive detection, you catch problems early, and avoid costly fixes later.

In Summary

Testing on real devices? Necessary. Catching hidden bugs before users do? Priceless.

With BrowserStack, you test how your app looks and behaves. With Appxiom, you understand how it performs and fails, even when it looks fine.

Together? You've got a world-class iOS testing workflow that keeps your app sharp, your users happy, and your team confident.

Start using Appxiom with BrowserStack today!

Because flawless apps aren't built by chance. They're built by choice.

How to manage UX when a bug occurs in your Android App

· 5 min read
Andrea Sunny
Marketing Associate, Appxiom

You're out for dinner. Ambience? Perfect. Service? Spot on. Then your dish arrives. But something's off. The pasta's missing salt, or the steak's slightly overcooked. You raise your hand to get the waiter's attention. But before you can say a word, they smile and say, "The chef already noticed. A fresh plate is on its way."

It feels like magic. But really, it's just attention to detail before a complaint even happens.

That's the kind of experience your users expect from your app too. Silent problems fixed before they even realize something went wrong.

Most Apps Fail After Release. Here's Why Your App Needs APM - Now!

· 5 min read
Andrea Sunny
Marketing Associate, Appxiom

Imagine this.

You just rolled a major update in your app. It passed QA, went through internal testing, and your team is pumped. Marketing is in full swing. Downloads shoot up. Everything looks perfect!

Until it is not.

Support tickets piling up - weird bugs, login loops, abandoned carts. Reviews dip from 4.8 to 3.2. Your churn rate spikes. You double-check the logs but find zero clues there.

What happened?
You missed the silent killers. The bugs and performance hiccups that only show up after release, in the wild. By the time you notice, users have already jumped ship. And trust me, they don't come back.