Mobile gaming is big business. Recent research predicts that by 2016, mobile gaming will be hauling in a total revenue of $28.9bn, a growth of more than 38% of this year's figure of $20.9bn.
With the increase of casual gamers playing free-to-play games on their smartphones, the approach of game developers has shifted away from bulk acquisition of unique players to a strategy of reengaging and monetising the same users, which allows for a higher overall return on investment.
Finland's mobile gaming startup scene is a prime example of this shift in action. Over half of all existing game companies in Finland have started in the last two years, and the country's homegrown successes such as Rovio's Angry Birds and Supercell's Clash of Clans are fast becoming global gaming sensations, with over two billion downloads between them.
This list below details the 10 highest grossing iOS mobile games as of April 2014. It's interesting to point out that three of the top 10 games on this list, originally compiled by Statista, come from Finland.
From Helsinki's mobile gaming superstar Supercell, this freemium MMO strategy game rakes in daily revenue of $1,064,964. Launched in 2012 on iOS, Clash of Clans pits players against each other online, battling with their armies across the world.
In the ever popular match-three puzzle game franchise, Candy Crush has come out king with a total daily revenue of $842,364. It overtook FarmVille 2 as the most popular game on Facebook in March 2013 with 46 million monthly users.