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9A5N Keyer BT Companion

Name: 9A5N Keyer BT Companion
Author: Andre Tobisch

Pocket Serial Data Terminal

Andre Tobisch · Utilities

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9A5N Keyer BT Companion is an iOS Utilities app by Andre Tobisch, released on Oct 23, 2026. The current version, 0.1.0, came out 3 days ago. It has no ratings yet. It is free to download and has no in-app purchases.

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App info

Developer: Andre Tobisch
Category: Utilities, Productivity
Released: Oct 23, 2026
Version: 0.1.0 (Oct 23, 2026)
Price: Free
Size: 16.7 MB
Requires: iOS 17.0
Age rating: 4+
Languages: English

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About 9A5N Keyer BT Companion

9A5N Keyer BT Companion — Bluetooth pocket terminal for the 9A5N QRQ Keyer and 9A5N PicoKeyer. Live, bidirectional control of every firmware parameter, a hardware-tailored on-screen CW keyboard, a text-to-Morse Send screen, and a Receive terminal designed for CW practice. HIGHLIGHTS - BLUETOOTH LOW ENERGY — connects to your keyer over BLE and shows BLE in the status badge. Long-message chunking is handled transparently. - HARDWARE-AWARE UI — connect to a QRQ Keyer and the full Settings UI (side tone, beacon, Farnsworth, oscillator, PA tune) appears. Connect to a PicoKeyer and the app hides controls the firmware doesn't implement; the Memory screen swaps to a "no message memory on this hardware" placeholder. The title bar animates between "9A5N KEYER", "9A5N QRQ KEYER", and "9A5N PICOKEYER" as you switch hardware. - LIVE BIDIRECTIONAL SYNC — turn the SPEED knob on the keyer and the…

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