However, according to research from monetisation experts W3i, not all IAP are equal.
As has been previously suggested by individual developers at an anedoctal level, most revenues are being generated by transactions of $9.99 or more.
Big bucks
Breaking out specific figures, W3i's research says that 47 percent of total revenue comes from transactions costing $9.99 to $19.99.
Transactions from $0.99 to $1.99 only contribute an average of six percent to total game revenue.
The research was based on data from hundreds of W3i's partners, accounting for 66 million monthly active users across iOS and Android.
Country breakdown
Looking down at how the data varies between countries, W3i found that the UAE and Japan were the most lucrative markets.
55 percent of revenue in the UAE came from $19.99 transactions, while it was 43 percent in Japan.
$9.99 was the key transaction amount in Canada and China, respectively making up 33 percent and 29 percent of revenue.
Whereas in the UK, 27 percent of revenue came from $9.99 transactions, and 8 percent of revenues came from $49.99 purchases.
