So says a study by German publisher HandyGames.
In September, the average age of a game in the Top 20 Paid Games chart on the US App Store was 100 days. Now it's 64 days.
That's according to a presentation published by games firm HandyGames, following up a similar study from last September.
In the UK, the average age of a Top 20 paid game has fallen from 120 days to 70 days in the same time period, while in Germany, it's gone from 119 days to just 43 days.
It's a sign of the increasing competition on the App Store, and the hunger of iPhone and iPod touch users for a constant flow of new games to try.
HandyGames' research also shows that in September, 55% of Top 20 paid apps were made by what the company defines as 'big players' in the mobile games market, with 45% coming from 'small players'.
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Now, that ratio has tipped in the indie firms' favour, with 32% coming from big players and 68% coming from small players.
Bear in mind, this is based on the Top 20 paid games chart, NOT the Top Grossing games chart, which is increasingly dominated by the larger firms.
HandyGames' research also shows that the number of ratings received on average by a Top 20 paid game in the US App Store has risen from 1,733 to 2,548, representing the growth of the iPhone and iPod touch userbase.
The average user rating for a Top 20 paid game has remained constant in the US at 3.9 stars.
The presentations also dig into the top-performing publishers on the App Store, and how their portfolios balance between free and paid games.
Both presentations are embedded below: the new February study first, followed by the September study:
