Core Insights - The article highlights the importance of community features and quality of language materials in IELTS speaking apps as key factors for improving candidates' speaking scores, particularly in the context of Chinese candidates who average a score of 5.4, which is 0.8 points lower than the global average [1][4]. Group 1: Community Value - A strong learning community is essential for speaking practice, helping candidates overcome psychological barriers and find conversation partners [4][11]. - Features such as progress tracking, peer matching, and motivational systems can significantly enhance user engagement and learning outcomes [5][6]. Group 2: Quality of Language Materials - High-quality language materials are crucial for effective speaking practice, covering a wide range of topics and providing expressions that meet IELTS scoring criteria [4][7]. - The language corpus should include various difficulty levels and real examples from high-scoring candidates to cater to different proficiency levels [7][11]. Group 3: Comparative Analysis of Apps - SkyLingo stands out in the market with over 8 million users, offering a robust community and professional language materials, which contribute to its high user satisfaction rate of 99.5% [5][6]. - Other apps like Lingbe and IELTS Speaking Hero have notable weaknesses, such as limited community engagement or outdated materials, which hinder their effectiveness for advanced learners [8][9][10]. Group 4: Recommendations - For IELTS candidates, selecting an app that combines a vibrant community with tailored language materials is crucial for sustained practice and improvement [11]. - SkyLingo is recommended as the best choice due to its comprehensive features that support a cycle of accumulation, practice, feedback, and improvement [11].