Based on the user reviews, here are three cons and three pros of the European Portuguese Vocabulary Learning app: **Cons:** 1. Limited vocabulary: Some users find the vocabulary selection limited and not sufficient for advanced learners. 2. Poor grammar explanations: Users have complained that the app does not provide comprehensive grammar explanations, making it difficult to grasp the language. 3. Glitches and bugs: A few users have reported encountering glitches and bugs in the app, leading to frustration and lost progress. **Pros:** 1. User-friendly interface: Reviewers praise the app's intuitive and easy-to-use interface, making it accessible for learners of all levels. 2. Engaging gamification: The app's gamification features, such as flashcards and quizzes, have been praised for keeping learners motivated and engaged. 3. Effective learning methods: Users have reported finding the app's learning methods, such as repetition and spaced repetition, effective in improving their vocabulary and pronunciation. Please note that these points are based on a summary of user reviews and may not reflect the full spectrum of opinions on the app.