Based on the users' reviews, here are three cons and three pros of the "Learn English by Videos" app: **Cons:** 1. Some users found the app's content limited and repetitive. "Too few videos and repetitive lessons." 2. Others reported errors in the pronunciation guide. "Pronunciation guide is often incorrect or incomplete." 3. A few reviewers experienced glitches and crashes. "App crashes frequently, interrupting learning sessions." **Pros:** 1. Many users praised the app's engaging video lessons. "Videos are entertaining and effective in grasping new vocabulary." 2. Reviewers appreciated the app's clear instructions and explanations. "Step-by-step instructions make learning easy to follow." 3. Several users found the app's progress tracking feature helpful. "Progress tracking motivates me to continue learning and practicing."