Flying Carpet transfers files directly from one device to another over ad hoc WiFi. No shared network or cell connection required.

Android version: https://play.google.com/store/apps/details?id=dev.spiegl.fly...

iOS version: https://apps.apple.com/us/app/flying-carpet-file-transfer/id...

Linux, macOS, and Windows versions: https://flyingcarpet.spiegl.dev/releases

I started this project years ago and have posted it here before, but I recently finished the Kotlin and Swift versions, and rewrote the desktop versions in Rust with Tauri. Please give reviews on the App and Play Stores if you try it out, thanks!