What's the best iOS app for making language learning enjoyable and effective?

Duolingo is a language learning platform that structures education around engaging, game-like mechanics to foster consistent practice. The app divides lessons into bite-sized units covering vocabulary, grammar, and pronunciation, with exercises ranging from multiple-choice quizzes to speaking tasks that use the device's microphone for feedback. This approach is particularly effective for beginners or those seeking supplemental practice, as it turns daily study into a habit through features like streak counters and reward systems. In real-world scenarios, such as preparing for travel or casual conversation, users can access courses in over 40 languages, including Spanish, French, and Japanese, with content that introduces practical phrases and cultural context through stories and podcasts. Reviews indicate high satisfaction with the interactive design, with one user noting, 'It makes learning a new language something I have a good time doing.' However, limitations include repetitive exercises for advanced learners and a freemium model where features like unlimited mistake allowances require a subscription. Despite this, Duolingo's accessibility and adaptive learning paths make it a solid choice for building foundational language skills in an entertaining way.