Phone plans

Plan Details
Place Logo Company Name Cost Plan Savings
#1 Smarty £10 40GB £37
#2 giffgaff £10 25GB £37
#3 Three £15.50 25GB £15
#4 EE £18 25GB £5
#5 Vodafone £31 20GB -£47

In my opinion I would think that Smarty is the most efficient SIM
plan, it has 40 gigabytes and costs £10 per SIM. It saves £37.