Zynk vs Quick Share

Quick Share handles Android-to-Android and Android-to-Windows transfers well. But the iPhone path detours through a QR code and Google's servers, capped at 10 GB a day, and there's no Linux, macOS, or CLI. Zynk runs natively on every platform and keeps files in a conversation with each device and contact.

Download Zynk Visit Quick Share

One app on every desktop, phone, and TV

Your workflow crosses Android, iOS, macOS, Linux, Windows on ARM, or an Android TV.
You want a menu-bar tray with online contacts and drag-drop, not just a system handoff.
You want to right-click a file in Finder or Explorer and send it without opening the main window.
You want share links, drop links, and a CLI alongside nearby transfer.

Feature by feature

Feature by feature, what Zynk does and what Quick Share does.

Feature	Zynk	Quick Share
PlatformsZynk wins	Native apps on macOS, Windows, Linux, iOS, Android, and Android TV. Linux builds include Raspberry Pi and Steam Deck. CLI anywhere you can open a terminal.	Android 6+, Chromebooks, and Windows 10 or later (64-bit only, ARM not supported).
NetworkZynk wins	Same Wi-Fi or over the internet.	Nearby wireless. Windows requires the same network and a 5-meter range.
EncryptionZynk wins	Direct device-to-device, end-to-end encrypted. Only the receiver devices you send to can unlock the file.	Google says Quick Share transfers are encrypted. No published cipher details.
iPhone pathZynk wins	Native iOS app. Same direct transfer as every other platform.	QR code, requires internet, files stored on Google servers for 24 hours, capped at 10 GB per 24 hours and 1,000 files per session.
AirDrop interopZynk wins	Not needed. Zynk runs natively on iOS, macOS, Android, and Windows.	Works on compatible Android devices, but the Apple side must set AirDrop to Everyone for 10 Minutes.
Own-device transferEven	All your devices stay linked under one phone number. Send between them in one tap, any time.	Auto-accepts between devices on the same Google Account.
Menu bar and trayZynk wins	Lives in the macOS menu bar and the Windows and Linux system tray. Drop a file onto a contact, paste a message, or see who's online without opening the main window.	No tray. System handoff only.
Finder and share menuZynk wins	Right-click "Send with Zynk" in Finder and Windows Explorer. Send from the iOS, Android, and macOS share menus.	Android share menu and a Windows app.
ConversationsZynk wins	Every device and every contact gets its own chat: text messages, emoji reactions, edits, replies, and full history.	No. System notification, not a conversation.
Voice notesZynk wins	Record a voice note with a waveform inside the app and send it like any other file.	No.
In-app previewZynk wins	Optional preview for PDFs, video, audio, images, markdown, and code with syntax highlighting.	Hands off to the OS.
PDF signingZynk wins	Open a PDF, draw or type a signature, send the signed copy back. No third-party portal.	No.
Share linksZynk wins	Yes.	No.
Drop linksZynk wins	Yes.	No.
CLIZynk wins	Yes, anywhere you can open a terminal.	No.

PlatformsZynk wins

Zynk: Native apps on macOS, Windows, Linux, iOS, Android, and Android TV. Linux builds include Raspberry Pi and Steam Deck. CLI anywhere you can open a terminal.
Quick Share: Android 6+, Chromebooks, and Windows 10 or later (64-bit only, ARM not supported).

NetworkZynk wins

Zynk: Same Wi-Fi or over the internet.
Quick Share: Nearby wireless. Windows requires the same network and a 5-meter range.

EncryptionZynk wins

Zynk: Direct device-to-device, end-to-end encrypted. Only the receiver devices you send to can unlock the file.
Quick Share: Google says Quick Share transfers are encrypted. No published cipher details.

iPhone pathZynk wins

Zynk: Native iOS app. Same direct transfer as every other platform.
Quick Share: QR code, requires internet, files stored on Google servers for 24 hours, capped at 10 GB per 24 hours and 1,000 files per session.

AirDrop interopZynk wins

Zynk: Not needed. Zynk runs natively on iOS, macOS, Android, and Windows.
Quick Share: Works on compatible Android devices, but the Apple side must set AirDrop to Everyone for 10 Minutes.

Own-device transferEven

Zynk: All your devices stay linked under one phone number. Send between them in one tap, any time.
Quick Share: Auto-accepts between devices on the same Google Account.

Menu bar and trayZynk wins

Zynk: Lives in the macOS menu bar and the Windows and Linux system tray. Drop a file onto a contact, paste a message, or see who's online without opening the main window.
Quick Share: No tray. System handoff only.

Finder and share menuZynk wins

Zynk: Right-click "Send with Zynk" in Finder and Windows Explorer. Send from the iOS, Android, and macOS share menus.
Quick Share: Android share menu and a Windows app.

ConversationsZynk wins

Zynk: Every device and every contact gets its own chat: text messages, emoji reactions, edits, replies, and full history.
Quick Share: No. System notification, not a conversation.

Voice notesZynk wins

Zynk: Record a voice note with a waveform inside the app and send it like any other file.
Quick Share: No.

In-app previewZynk wins

Zynk: Optional preview for PDFs, video, audio, images, markdown, and code with syntax highlighting.
Quick Share: Hands off to the OS.

PDF signingZynk wins

Zynk: Open a PDF, draw or type a signature, send the signed copy back. No third-party portal.
Quick Share: No.

Share linksZynk wins

Zynk: Yes.
Quick Share: No.

Drop linksZynk wins

Zynk: Yes.
Quick Share: No.

CLIZynk wins

Zynk: Yes, anywhere you can open a terminal.
Quick Share: No.

What we noted

Quick Share handles Android-to-Android nearby transfers well. It's built into Android 6+, works with Chromebooks, auto-accepts between devices on the same Google Account, and now has limited AirDrop interoperability on compatible Android devices.
Between two Android phones on the same Google Account, Quick Share is already there and automatic. Zynk matters once an iPhone, a Mac, a Linux box, or a server has to join in.