| 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. | iPhone, iPad, Mac, and Apple Vision Pro. |
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| RangeZynk wins | Same network or over the internet. | About 30 feet with Wi-Fi and Bluetooth on. Apple says it can continue over the internet if devices move apart. |
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| EncryptionEven | End-to-end encrypted. Only the receiver devices you send to can unlock the file. | TLS-encrypted over peer-to-peer Wi-Fi. |
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| Share menu integrationEven | Hooks into the iOS, Android, and macOS share menus and the Windows Explorer shell. | Built into the Apple share flow for photos, videos, documents, and web links. |
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| 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. AirDrop lives in the share menu only. |
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| Notification actionsZynk wins | Reply, accept, or decline a transfer right from the macOS notification. | Accept or decline. |
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| Dock progress (macOS)Zynk wins | Live transfer progress drawn over the macOS dock icon. | Progress shown inside the share menu. |
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| ConversationsZynk wins | Every device and every contact gets its own chat: text messages, emoji reactions, edits, replies, and full history. | No conversation. Files land in Finder, Photos, or Downloads. |
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| Voice notesZynk wins | Record a voice note with a waveform inside the app and send it like any other file. | No. Use Messages separately. |
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| In-app previewZynk wins | Optional preview for PDFs, video, code, images, and markdown, the same way on every OS. | Quick Look on Apple devices. |
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| PDF signingZynk wins | Open a PDF, draw or type a signature, send the signed copy back. No third-party portal. | Markup on Apple devices. |
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| Large filesZynk wins | No file-size cap, with the same performance for any amount of files of any size. | Apple says AirDrop is best for a small selection of files and recommends iCloud or sync for larger batches. |
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| Share linksZynk wins | Yes. | No. |
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| Drop linksZynk wins | Yes. | No. |
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| CLIZynk wins | Yes, anywhere you can open a terminal. | No. |
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