Just not reliable
Worst App Ever?
The RDG/National Rail need to earmark some money to sort this out.
Works but still has a glitch
However, even when validation has been successful, it still shows an error message “sorry, we’re unable to read your Smartcard” - I know now to ignore this message because when I go through the process again, it says it has already been validated!
In summary, it works but can be confusing from the messages which pop up.