<![CDATA[Smart Mosque research has expanded from energy efficiency and building automation toward wider digital services involving artificial intelligence, Internet of Things, data management, operational security, and inclusivity. Objective: This study maps the development, trends, and challenges of Smart Mosque research published between 2021 and 2026 using a Context-Technology-Impact framework. Methods: A PRISMA 2020-guided systematic literature review was conducted using reproducible PubMed and Crossref searches and second-reviewer validation. Records were screened against mosque/masjid or Hajj/Umrah technology relevance, assessed using an eight-item quality-appraisal instrument, and classified by evidence-access status. Results: The search produced 1,664 exported records and 870 records after deduplication. After staged screening, second-reviewer validation, and excluded-sample consensus, 72 records were retained, consisting of 10 full-text confirmed records and 62 limited-access/provisional records. The evidence shows four dominant directions: artificial intelligence for operational security and Hajj/Umrah crowd monitoring, energy and sustainability systems, Internet of Things and automation, and digital mosque-management platforms. Conclusion: Smart Mosque research is developing into a broader digital-operational ecosystem, but the evidence remains methodologically uneven because many records were available only at abstract or limited-access level and 2026 data were partial up to August 2026. Future studies should prioritize full-text-verifiable empirical research, multi-site evaluation, system reliability, user-centered assessment, privacy and data governance, and inclusive digital services.]]>
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