Statement:
In San Marino, mobile Internet is on average less expensive than in Singapore

In the Most expensive mobile internet rating San Marino holds position #156 ²⁰²² out of 204 and Singapore is #133 out of 204 ²⁰²².
Position of San Marino is better than position of Singapore.
Both countries holds average positions in the "Most expensive mobile internet" rating. So Average price of 1GB (USD) is an average for both San Marino and Singapore, compared to most countries of the World.

Referencies:

1. Most expensive mobile internet ²⁰²² by cable.co.uk

   The countries in the rating sorted by 'Average price of 1GB (USD)' in descending order.

   San Marino	'Average price of 1GB (USD)' value is	0.14
   Singapore	'Average price of 1GB (USD)' value is	0.61