Exhibit 99.1 Aurora Mobile Limited Announces Second Quarter 2025 Unaudited Financial Results SHENZHEN, CHINA, August 28, 2025 – Aurora Mobile Limited ("Aurora Mobile" or the "Company") (NASDAQ: JG), a leading provider of customer engagement and marketing technology services in China, today announced its unaudited financial results for the second quarter ended June 30, 2025. Second Quarter 2025 Financial Results Revenues were RMB89.9 million (US$12.5 million), an increase of 13% from RMB79.4 million in the s ...