The Relaaay Blog
Guides on syncing folders across iPhone, Android, Mac, and Windows — and why automatic, continuous sync beats AirDrop, Syncthing, and manual transfer tools.
LocalSend vs Syncthing: File Transfer or Folder Sync — Which Do You Need?
LocalSend sends files on demand like AirDrop. Syncthing keeps folders continuously in sync peer-to-peer. Here is how they compare, where each falls short, and what to use when you need the best of both.
AirDrop From Windows to iPhone: Why It Fails and How to Fix It
AirDrop is an Apple-only protocol, so it cannot send files to a Windows PC. Here is why it fails across operating systems, the workarounds people try, and how to keep an iPhone and a Windows PC folder in sync automatically instead.
LocalSend Is Great for Files, but It Can't Sync a Folder. Here's the Fix.
LocalSend is a clean, private way to send files across devices, but it is manual and episodic — it cannot watch a folder and keep it in sync. Here is where LocalSend ends, and how to get automatic, continuous folder sync instead.
Syncthing on iOS: Why It Fails (Sandboxing, Battery Drain, Data Loss)
Syncthing struggles on iPhone because Apple's sandboxing stops third-party apps from syncing reliably in the background. Here is why that causes stale folders, conflict files, and battery drain — and what guarantees real cross-platform parity instead.