The California Lottery Official App serves as the primary mobile platform for lottery participants across California, offering comprehensive access to state lottery services without requiring physical retailer visits. Developed by the California Lottery Commission, the application maintains official status and direct integration with lottery systems, ensuring accurate results and legitimate gaming information. The application's core functionality centers around its Check-A-Ticket feature, which enables users to scan physical lottery tickets using their device's camera to determine winning status across all major games including Powerball, Mega Millions, SuperLotto Plus, Fantasy 5, Hot Spot, and daily games. Additional features include real-time jackpot tracking, new scratcher notifications, second-chance entry submissions, and detailed game information including current prize structures and guaranteed minimum payouts. The app also provides access to historical winner lists and drawing results. User experience demonstrates thoughtful design with intuitive navigation and clear visual presentation of lottery information. The scanning functionality performs reliably under various lighting conditions, with users reporting accurate ticket recognition. Interface design prioritizes functionality over aesthetics, presenting information in straightforward menus and clearly labeled sections. Real-world usage patterns show peak engagement during drawing periods and when new scratcher games launch, with users frequently checking tickets immediately after purchases. User feedback trends consistently highlight convenience as the primary benefit, with multiple reviewers noting the app prevents potential winnings from being overlooked. Jipatia Scruggs (April 24, 2025) praised the convenience but questioned whether comprehensive pricing information was readily available. Shean Paul Paille (May 29, 2025) emphasized the comprehensive nature of lottery-related information, specifically noting the inclusion of both total and guaranteed payout amounts. Jeff Miller (August 22, 2025) provided a concrete example of discovering a $10 winning ticket that might otherwise have been discarded. The application's strengths include its official status, reliable ticket scanning technology, and comprehensive lottery information access. Limitations involve the inability to purchase tickets directly through the app—a restriction common to most U.S. lottery applications due to regulatory requirements. The app serves best as a companion tool for regular lottery participants who purchase physical tickets and want convenient access to results checking and game information without visiting retail locations.