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What does the "4+" in the details page of Apple APP Store mean?
The application of 1 and App Store has four age groups, namely 4+, 9+, 12+ and 17+.

2. The so-called age classification refers to the age of the user groups of applications (software, games or media content, etc.). ) is allowed to face, where 4+ is over 4 years old, 9+ is over 9 years old, and so on.

3. Among the applications provided by the App Store, 17+ ranks the highest, which means that the application may contain frequent/strong adult/sexual suggestive themes, and users under 17 are prohibited from downloading and using it.

Extended data:

meaning

The significance of App Store mode is to provide a convenient and efficient software sales platform for third-party software providers, and the enthusiasm of becoming a third-party software provider to participate in it is unprecedented, which adapts to the demand of mobile phone users for personalized software, thus making the mobile phone software industry begin to enter a high-speed and benign development track.

It is Apple that sublimates the commercial activity of App store into an imitated business model. Apple's App Store has opened a new chapter in the development of the mobile phone software industry. App Store will undoubtedly become an important milestone in the development history of mobile phone software industry, and its significance has gone far beyond the "iPhone software app store" itself.

Baidu encyclopedia-application store

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