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#1 Improv#2 AeroBusiness#3 Morse#4 Deer Awareness#5 Starship LanderArticle When Satellites Go Quiet, People NoticeOn X Want to compete as a CEO of an airline and decide whether...
Marshall Frith

Morse Listen

Morse Listen

Hold the phone near a speaker playing Morse. The app finds the tone, works out the speed, and writes the letters. No account, ads, analytics, or network.

Marshall Tyler Frith

Morse Listen is an iPhone app that reads Morse code from sound and writes the letters on the screen.

This page is the App Store Support landing for Morse Listen. The sender write-up stays at the Morse project page. This app is the listener.

What it does

  • Tap Start listening and hold the iPhone near a speaker playing Morse.
  • The app finds the tone, works out the speed, and writes each letter as it finishes.
  • A live demo plays a 15 word-per-minute clip through the same decoder, with no speaker and no microphone.
  • Two bundled recordings, HELLO and MEET AT DAWN, decode a quiet 2400 Hz Morse channel carried under other audio.

Requirements

  • iPhone
  • iOS 18 or later
  • Microphone permission only if you tap Start listening
  • No account and no network connection

Privacy

Privacy Policy — no account, no ads, no analytics SDK, no Morse Listen servers. Audio stays on the phone.

Support

Questions, bug reports, or App Store review contact go through the contact form with Morse Listen in the subject. Messages reach Marshall Frith directly. There is no in-app chat.

App Store

Price $1.99 (suggested) · iPhone · Bundle com.marshallfrith.prototype.morselisten