Basically, the definition of tools is third party tools such as: ad networks, cloud computing, cross-platform (e.g. PhoneGap), games (Unity etc) and more.
It would be vice versa: developers who use third party tools (outlined in detail in the linked report) would make more money (according to the survey).
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Ha! I agree. :-) It was explained in the presentation and in the report from Vision Mobile: http://www.developereconomics.com/reports/developer-economic...
Basically, the definition of tools is third party tools such as: ad networks, cloud computing, cross-platform (e.g. PhoneGap), games (Unity etc) and more.
So, someone who chooses to build independent native apps instead of Xamarin/PhoneGap earns the most?
It would be vice versa: developers who use third party tools (outlined in detail in the linked report) would make more money (according to the survey).