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.

Cross-Platform & Ecosystem LimitsJun 15, 2026

Why AirDrop Won't Work With a Windows PC (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.

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Automatic vs Manual Sync

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.

8 min readRead more

Open-Source Sync & iOS

The Truth About Syncthing on iOS: Sandboxing, Battery Drain, and 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.

9 min readRead more