Stephen Penn

mobile-functional-testing
Oct 11, 2026

Mobile App Functional Testing: A Detailed Guide

Stephen Penn

Mobile App TestingFunctional Testing
Read More
top mobile app testing tools
Oct 8, 2026

Top Mobile App Testing Tools: An Honest 2026 Comparison

Stephen Penn

Read More
mobile compatibility testing
Oct 4, 2026

Mobile Compatibility Testing: A Full Guide

Stephen Penn

Mobile App Testingdevice fragmentationcross device testingmobile app compatibility testingmobile device compatibility testingmobile compatibility testingreal device testing
Read More
out-of-context-failures
Jul 27, 2026

Out-of-Context Failures: Why a Second AI Agent Cannot Catch Them

Stephen Penn

QAevidence provenanceAI testingai agent testingagentic testingout-of-context failuresreal device testing
Read More
Testing AI-Generated Code
Jul 13, 2026

Testing AI-Generated Code: A Field Log From 48 Builds of One App

Stephen Penn

Read More