Cheap Train Ticket “Secret Fare” Deal from £13 via Seatfrog App

This is a travel deal offering discounted “secret fare” train tickets from around £13 (example: Exeter St Davids to London Waterloo) available through the Seatfrog app; download and open the Seatfrog app via the App Store, search available routes and discounted fares, book the ticket at the listed price, and take a clear screenshot of your booking confirmation or ticket screen showing the £13 fare for verification.