Table 9 Evaluation criteria

App user’s requirements (usability)

Q1

1. Practical and understandable when used

Q2

2. Simple design

Use of app’s functionality

Q3

3. Provides accurate and reliable results

Q4

4. Compatibility between core features and user interface

Graphical user interface

Q5

5. Consistent pattern of menus, icons, colours and fonts

Q6

6. Appropriate screen size and clearly visible