What does the application size of the Apple market mean: 14 1 MB? Download installation package size? Or the size of the application in memory?

Apple market application size: 14 1 MB refers to the size of Apple application installation package.

However, when installing, you usually need to reserve a space of 1.5 to 2.5 times the size of the installation package to install normally. After installation, the installation package will be automatically deleted in the mobile phone. However, according to the application requirements, it is necessary to ensure enough remaining operating space for normal operation. Otherwise, the problem of the software itself will be eliminated, and the running flashback cannot be installed due to insufficient remaining space.