Recently, many virtual galleries of static two-dimensional (2D) images of objects on the internet are being replaced with applications that offer panoramic views of real places. As a result, there is a significant increase in technology that offers a richer presentation of objects, buildings, and other features of cultural heritage sites. The technological advancement in virtual reality (VR) has changed the way people interact with technology, particularly at cultural heritage sites. However, the sub-scale usability and learnability scores indicated some usability issue.

It can be concluded that both versions passed based on the SUS score. The independent t test results indicated a significant difference between participant with and without previous visits to SCV for the usability score ( t(38) = −2.31, p = 0.027), while there was no significant differences observed in other components. However, a significant difference was found between participants with VR experience and no VR experience for both SUS score ( t(38) = 2.17, p = 0.037) and learnability score ( t(38) = 2.40, p = 0.021). Α two-tailed independent t test indicated no significant difference in the usability score between participants with VR experience and no VR experience. Additionally, no significant difference was observed between the groups in the context of gender, nationality, and prior experience (other VR tour applications) for overall SUS score, usability score, and learnability score. Further analysis using a two-tailed independent t test showed no difference between the non-VR and VR versions. The results show that the mean scores of all components for the VR version are higher compared to the non-VR version, overall SUS score (72.10 vs 68.10), usability score (75.50 vs 71.70), and learnability (58.40 vs 57.00). The System Usability Scale (SUS) was used in between participants experiments (Group 1: non-VR version and Group 2: VR version) with 40 participants. This paper elaborates the empirical evidence of a usability evaluation of a VR and non-VR virtual tour application for a living museum.

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