# iPrefBench: A User-Centric Benchmark for Personalized Mobile Use Agents > Source: > Published: 2026-10-27 16:36:22+00:00 An agent that truly knows and acts on behalf of its user has been a long-standing promise of AI assistants. Computer-use agents bring this promise within reach by capably executing fully specified tasks across apps. However, real-world user requests are often underspecified. To act correctly for the