App Size for iOS (& tvOS) only. Your app’s total uncompressed size must be less than 4GB. Each Mach-O executable file (for example, app_name.app/app_name) must not exceed these limits: For apps whose MinimumOSVersion is less than 7.0...
Google is doubling the maximum APK file size on the Play Store from 50 MB to 100 MB. That means... Android app developers can now build higher quality Apps and Games that users love. Of course, for an end user it may affect the overall app performance and installation time...