The initial activity has been launched to support lastminute.com's .
Mobyko will be offering all customers a free premium account worth £24.99.
This will allow users to backup their mobile names and numbers online quickly and easily to prevent losing contacts' data.
John Bevan, managing director of lastminute.com, said: "We are always on the look out for great extras to offer our customers.
"Mobyko is the ultimate travel accessory that will bring peace of mind to our customers who are always on the move."
Mobyko said it will continue to develop its relationship with lastminute.com, with a view to helping the travel and leisure website create a more enriched mobile offering for its customers.
Jamie Bowler, marketing director of said: "Lastminute.com was a natural travel partner for us.
"It's obvious that anyone travelling at home or abroad should be a concerned about keeping the important stuff inside the phone safe and sound, while still using their mobile to the full to capture and enjoy travel memories."