A free program for Android, by ONE APPS LAB.
OneShare is a fast and secure way to transfer and share large files between Android devices. You can share pictures, videos, music, documents, apps, and any other files. You can share files of unlimited size and it works across Android, iOS, macOS, and other operating systems. It is an open-source project so you can get the source code and build it yourself if you want.
OneShare is free and works with your phone or tablet. It does not require an internet connection, and works even if your phone is in the underground or if you are on a Wi-Fi network.
The app can be used for personal or business use. For personal use, it is recommended to use it for sharing files between your Android devices, and for business use, it can be used to transfer large files between your Android and iOS devices.
The app is not designed for use on rooted or jailbroken devices.