PerformanceGetting started4 min read
Profiling an iPhone when you do not have a Mac
Instruments is macOS-only and wants your project open. What is actually available to a Windows or Linux team that needs to know why an app is slow on a real device.
KeyMob Blog
Sharing articles on iOS device management, app debugging, performance monitoring, file management, power analysis, and the latest industry news, helping developers and operators master practical skills easily.
How to actually read an iOS crash log
Exception types, the crashed thread, symbolication, and the two entries in the crash list that are not crashes at all.
"It only happens on that one phone"
A checklist for the bug that reproduces on exactly one device — iOS version, storage, thermal state, battery health, profiles, and the ones nobody thinks to check.
PerformanceQA3 min read
Chasing frame drops on hardware you did not choose
Why an average FPS tells you nothing, how to read a dip against CPU, GPU and memory, and the five causes that account for most mobile stutter.
EnergyPerformance3 min read
Turning a battery complaint into evidence
"Your app drains my battery" arrives with no timestamps and no reproduction. A method for finding out whether it is true, and what is actually responsible.
12 articles in total