Explore Sofia's hidden historical and architectural sites with images, videos, and 3D models. Discover unique stories and legends beyond standard guidebooks. Promotes a national library catalog with links to related publications.
1.5
November 19, 2025
Crashfixes and improvements
Invisible Serdica focuses on key historical and architectural sites in Sofia, Bulgaria. Initially, it includes "St. Sofia" Church, "St. George" Rotunda Church, the Amphitheatre of Serdica, The Largo area, and tombs near the National Assembly square.
For each location, Invisible Serdica provides images, videos, 3D models, and interesting stories and legends. This content is drawn from old books and unique historical sources.
Based on the provided data, Invisible Serdica is currently supported on iPhone and iPod devices. Information regarding Android compatibility is not available.
The application was last updated on November 19, 2025, with version 1.5. This indicates a recent update, suggesting ongoing development and content additions.
Invisible Serdica has an age rating of 4+. This means it is suitable for children aged 4 and above, making it accessible for educational purposes for younger learners.
No, Invisible Serdica does not contain advertisements. The application is completely free to use without any ad interruptions.
Invisible Serdica has received an excellent rating of 5.0 stars from one review. This indicates a highly positive user experience based on available feedback.
An important aim of Invisible Serdica is to promote the NALIS catalog by providing links to books and publications related to the featured historical sites. This serves to connect users with further resources for deeper study.
