“…In the context of e-hailing apps, not many studies have been conducted so far that have explored factors affecting user adoption of these apps. The studies the researchers found in this context have used different theoretical models instituting various additional variables in those such as: subjective norms, perceived usefulness, perceived ease of use, compatibility, trust, complexity, relative advantage (Joia and Altieri, 2018); perceived usefulness, perceived ease of use, perceived privacy risk, trust (Zhang et al , 2017); perceived usefulness, perceived ease of use, subjective norm, perceived behavior control (Giang et al , 2017); performance expectancy, effort expectancy, social influence, facilitating conditions (Haba and Dastane, 2018); performance expectancy, effort expectancy, social influence, perceived risk, perceived cost, facilitating conditions (Jiang and Zhu, 2018); perceived usefulness, subjective norms, perceived risk, perceived playfulness, perceived price level (Lim et al , 2018); relative advantages, perceived ease of use, trialability, social influence, physical security (Ruangkanjanases and Techapoolphol, 2018); perceived usefulness, subjective norms, perceived ease of use, perceived risk (Weng et al , 2017); subjective norms, perceived usefulness, perceived ease of use, compatibility, relative advantage, safety (Arumugama et al , 2020); perceived usefulness, perceived ease of use, subjective norm, perceived behavioral control (Haldar and Goel, 2019); performance expectancy, effort expectancy, trust, enjoyment (Razi et al , 2019); perceived usefulness, perceived ease of use (Suhud et al , 2019); perceived usefulness, subjective norm, perceived risk, perceived playfulness, perceived price level, perceived ease of use, compatibility (Peng et al , 2014); perceived usefulness, perceived ease of use, social influence, trust, perceived risk (Zhang et al , 2016); perceived usefulness, perceived usability, perceived trust (Karim et al , 2020); perceived usefulness, perceived ease of use, perceived discount, financial risk, security risk, privacy risk (Zhou et al , 2020). It has been observed that the factors that have been used most frequently under these studies are: perceived usefulness, perceived ease of use, compatibility, perceived risk, trust, subjective norms, social influence, facilitating conditions, relative advantage and perceived behavioral control.…”