LaQual: A Novel Framework for Automated Evaluation of LLM App Quality

• URL: http://arxiv.org/abs/2508.18636v1
• Date: Tue, 26 Aug 2025 03:25:49 GMT
• Title: LaQual: A Novel Framework for Automated Evaluation of LLM App Quality
• Authors: Yan Wang, Xinyi Hou, Yanjie Zhao, Weiguo Lin, Haoyu Wang, Junjun Si,
• Abstract summary: LaQual is an automated framework for evaluating the quality of LLM apps.<n>LaQual consists of three main stages: first, it labels and classifies LLM apps in a hierarchical way to accurately match them to different scenarios.<n> Experiments on a popular LLM app store show that LaQual is effective.
• Score: 10.124358468702031
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: LLM app stores are quickly emerging as platforms that gather a wide range of intelligent applications based on LLMs, giving users many choices for content creation, coding support, education, and more. However, the current methods for ranking and recommending apps in these stores mostly rely on static metrics like user activity and favorites, which makes it hard for users to efficiently find high-quality apps. To address these challenges, we propose LaQual, an automated framework for evaluating the quality of LLM apps. LaQual consists of three main stages: first, it labels and classifies LLM apps in a hierarchical way to accurately match them to different scenarios; second, it uses static indicators, such as time-weighted user engagement and functional capability metrics, to filter out low-quality apps; and third, it conducts a dynamic, scenario-adaptive evaluation, where the LLM itself generates scenario-specific evaluation metrics, scoring rules, and tasks for a thorough quality assessment. Experiments on a popular LLM app store show that LaQual is effective. Its automated scores are highly consistent with human judgments (with Spearman's rho of 0.62 and p=0.006 in legal consulting, and rho of 0.60 and p=0.009 in travel planning). By effectively screening, LaQual can reduce the pool of candidate LLM apps by 66.7% to 81.3%. User studies further confirm that LaQual significantly outperforms baseline systems in decision confidence, comparison efficiency (with average scores of 5.45 compared to 3.30), and the perceived value of its evaluation reports (4.75 versus 2.25). Overall, these results demonstrate that LaQual offers a scalable, objective, and user-centered solution for finding and recommending high-quality LLM apps in real-world use cases.

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