No puedo responder sobre la app, pero en Chrome puedes usar la traducción a Español. 

I was offer to the owner by mail to translate for free the app, but not answer

update. my offer stills.

50pedalstroke,

Podría ayudar explicar que cycle.travel es la obra de un solo hombre: el extraordinario Richard Fairhurst. Estoy seguro de que le gustaría tener la opción de mostrar páginas web de C.T en francés, español, alemán, italiano y muchos otros idiomas, pero tiene tantas otras tareas que asegurar que las traducciones sean precisas sería bastante difícil.

(Richard: I hope you don't mind being called "extraordinario").

That’s very kind!

Until now the app just hasn’t had the technical foundation needed to be translated into different languages. Put simply, the translation itself is half the work, but actually making sure it displays correctly (and doesn't spill out of buttons, etc.) is the other half.

But I have just done this work for the iPhone app, and a French translation to go along with it – this should be live in a week or two. That also means a Spanish translation should be possible in the future. I’ll look at the technical work for translating the Android app next.