A few years ago I solved 200 LeetCode problems and still froze on Mediums I hadn't seen. The breakthrough wasn't another hundred problems. It was a different loop. A problem asks for the longest substring with at most K distinct characters. You've solved sliding window before. Maximum sum subarray of size K, done. Longest substring without repeating characters, done. This third one stalls you. Twe
TL;DR TestMu wins on price, faster setup, and community support. Use it if you're testing typical apps on phones and web browsers. Pcloudy costs more but tracks 60+ device performance metrics (battery, memory, thermal), supports IoT and smartwatches, is faster to connect, and handles script migration so you don't rewrite tests when switching. Both run parallel tests fine and work with Selenium,