Author: Dmitry Fink

You hit Play in the Unity Editor to test your scene — everything runs smoothly, until the console slams you with:  NullReferenceException: Object reference not set to an instance of an… Read More

With mobile apps now the default way people shop, bank, and connect, users expect them to be fast, stable, and responsive—every time they open them. A few seconds of delay… Read More

Your mobile app has five seconds to impress a new user—and not much more to keep them.. If it’s a cold start, most of those five seconds are spent just… Read More

Monitoring mobile performance is uniquely challenging. Two users on the same app version can have radically different experiences—one of 5G with a Pixel 8, another on spotty Wi-Fi, with an… Read More

When an application slows down, users might not complain—they simply disengage. A delay during login, a frozen screen, or a lagging workflow can quietly erode trust, conversions, and retention. According… Read More

App crashes aren’t just annoying—they’re costly. For users, a crash might mean abandoning a purchase, closing your app mid-session, or deleting it altogether. For developers, it’s a deeper issue: crashes… Read More

In the first post in the series we learned what  symbolication is and how it works, the second post taught us how to use Apple provided tools and helper scripts to symbolicate frames or… Read More

This tutorial is a revised tutorial we’ve published earlier, called iOS Ad-Hoc distribution using Amazon S3. The original tutorial achieved the desired effect using s3cmd and a bunch of bash scripts. However,… Read More

We have already covered why certificate pinning in mobile apps is important and have shown how to implement it both in iOS and Android. For the sake of simplicity, we had to… Read More

What is certificate pinning? In this day and age more and more user data is stored electronically. Users are expecting end-to-end security from every application they are installing on their… Read More