
Offband MeshCore
LoRa mesh messaging by radio
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Free
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About
Offband MeshCore is a client for MeshCore LoRa mesh radios. Pair a MeshCore radio over Bluetooth and use your iPhone to send messages across the mesh, with no cell service, no internet connection and no account.
You need a MeshCore-compatible radio to send and receive messages. The app does not include one.
CHAT
Direct messages and named group channels. See whether a message was delivered and the route it took across the mesh.
CONTACTS AND CHANNELS
Keep your contacts in groups and mark favorites. Share contacts and join communities with QR codes. Block a contact or channel sender to stop seeing their messages.
MAP
See nodes that report a position, and trace the path a message traveled. Download map areas ahead of time, and check line of sight between two points.
REPEATER ADMINISTRATION
View a repeater's status, change its settings, or use its command line.
OFFLINE TRANSLATION
Translate incoming messages on your device, without sending them anywhere. The language model is an optional download.
PRIVATE BY DESIGN
Messages travel from radio to radio. There is no Offband account and no Offband server holding your conversations, and the app includes no analytics or advertising.
OPEN SOURCE
Offband MeshCore is open source under the MIT License, built on MeshCore Open by zjs81. Source code: https://github.com/OffbandMesh/meshcore-client
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What's New in Offband MeshCore
1.8.0
November 11, 2026
Offband MeshCore 1.8.0 Message history now follows the channel, not its slot on the radio. History for channels your radio no longer holds is cleared on the first sync. Changing a channel's key asks whether to keep or delete its history. Adds can't overwrite another channel, and wiped channels can be restored. With Offband firmware 1.7.0: per-channel radio sound, display and LED settings. Also a Bluetooth PIN setting and factory reset. On iPhone: channels have a back arrow and the edge swipe works, and tapping or dragging the messages dismisses the keyboard.
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