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says a developer with two best-selling apps can make as much as $10 million to $15 million over the life of the apps if they are well-marketed.

Flurry's software will be able to help developers pinpoint the optimal time to ask users to write a review. The idea is to catch them in a good mood--after they finish a game level or complete a scheduled task, for instance.

Flurry plans to support all these services with its analytics data, which measures everything from the number of times consumers use an app to how long they use it, and their location (by country). Several features go deeper, tracking how users navigate apps, logging each move they make in sequence while keeping the data anonymous.