Thorium Reader 1.7

Results for Visual Adjustments: 75%

Last updated: 18 May 2021

Test book used: Fundamental Accessibility Tests: Visual Adjustments, version 1.0.0


Visual adjustments: • The app provides for changing the text size, and colors. Larger font sizes and a wider choice of color themes would be appreciated by some users. • In addition to the fonts listed in the settings menu, it is possible to use any of the fonts installed on the computer. • Keyboard shortcuts for changing text size should be provided and discoverable. • There is no obvious way to increase the size of an image. • Outside the scope of the fundamental accessibility tests, there are some notable and high-value features. The display can be selected as paginated or scrolling, the margin can be justified or left-aligned, and the number of columns controlled. These provide control for the user that of often not available to the user. Furthermore, the spacing can be adjusted in flexible ways, with control over margin, word, letter, and line spacing. This level of adjustment over visual presentation will be highly appreciated by some users.

Results for Read Aloud: 100%

Last updated: 18 May 2021

Test book used: Fundamental Accessibility Tests: Read Aloud, version 1.0.0


Read aloud in Thorium works well, with good control of reading position and different options for the visual display of the publication content. Language switching is supported if using the system default voices. Alternatively, the user can choose from the installed voices to be used by read aloud.

Results for Mathematics: 100%

Test book used: Accessibility Tests Mathematics, version 1.1.1

Results for Extended Descriptions: 100%

Test book used: Accessibility Tests Extended Descriptions, version 1.1.1