It can be difficult to decide if the data limits that apply to most smartphone tariffs are viable on a day-to-day basis, particularly when so-called ‘unlimited’ tariffs cost much more each month.

That said, Three has long offered one of the better ‘all you can eat’ deals and its ‘The One Plan’ tariff even allows a smartphone to be connected to a laptop for mobile broadband use, with prices starting from £25 a month.

Usefully, Three has created a detailed infographic that gives a very clear idea of how an unlimited data deal compares to a capped smartphone tariff that offers 1GB of data each month.

All-you-can-eat-data vs 1GB data allowance