Good news for gamers: Apple increases app size limits for iOS 18 and tvOS 18

According to news on June 25, in order to prevent a single application from taking up too much storage space, Apple has been limiting the size of iOS and tvOS applications. However, as applications (especially games) continue to evolve, they become more complex and the storage space required increases. To that end, Apple has increased the size limits for apps on iPhone, iPad, and Apple TV.

According to the release notes for iOS 18 Beta 2 and tvOS 18 Beta 2, this update increases the on-demand resource limit for third-party apps, which means iOS 18 and tvOS 18 can run larger apps and games. Currently, the installation package size of iOS apps downloaded from the App Store is up to 2GB. With the iOS 18 update, this limit will increase to 4GB. This means developers can ship larger apps without relying too much on on-demand downloads. Noted that since iOS 9, developers can split applications through "On-Demand Resources (ODR)" so that users do not have to wait for the entire application to be downloaded before they can start using it. The system will prioritize downloading the core parts of the app, and additional content can be downloaded later when the app is first opened or silently in the background. For example, a game can be launched on the App Store as a smaller installation package first, and then additional levels can be gradually downloaded as players progress through the game. This also helps save storage space, as the game only downloads more resources as needed and can be deleted from the device when they are no longer needed. In response to this situation, Apple has also increased the limit on on-demand resources. In iOS 17 and tvOS 17, apps and games can have up to 40GB of on-demand resource storage, with iOS 18 and tvOS 18 raising this limit to 70GB. Additionally, Apple has removed the limit on additional 4GB of resources that users can download immediately after installing an app package from the App Store. It was reported last month that developers have been unhappy with the limitations of the Apple TV SDK, which only allows apps and games to permanently store 500KB of data. Unfortunately, it's unclear if this limit has been adjusted, as Apple has yet to update the documentation. Nevertheless, increasing the cap on on-demand resources will undoubtedly benefit console-level game development for iOS and tvOS platforms. Currently, iOS 18 and tvOS 18 are in the developer testing phase. The public beta version is expected to be launched next month, and the official version will be released this fall.

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