
RST Scope
Spectrum&WaterFall Display App
About
This utility app provides spectrum scope and waterfall displays for amateur radio operators. It enhances radios lacking these features by analyzing microphone input, allowing for clear distinction of Morse code and detailed audio frequency visualization.
What's New in RST Scope
2.7.0
December 27, 2025
We updated the operating stability and display format.
Developer apps
FAQ
What is RST Scope used for?
RST Scope provides a spectrum scope and waterfall display for amateur radio operators. It helps visualize audio frequencies and distinguish Morse code signals, especially for radios that lack these built-in functions.
Does RST Scope have ads?
Yes, RST Scope contains advertisements. As it is a free application, advertisements are displayed to support its development and maintenance.
What devices does RST Scope support?
RST Scope is available for iPhone and iPod devices. It is designed to run on Apple's mobile operating systems.
How often is RST Scope updated?
The latest version of RST Scope is 2.7.0, last updated on December 27, 2025. This indicates a recent update, suggesting ongoing development and support.
Can RST Scope record audio?
Yes, RST Scope includes a recording and playback function for input sound. This allows users to capture and review audio signals received through the app.
What is the frequency resolution of RST Scope?
The frequency resolution for RST Scope is fixed at 40Hz. This provides a specific level of detail for analyzing the audio frequency spectrum.
How can I switch between USB and LSB modes in RST Scope?
You can switch between USB (Upper Sideband) and LSB (Lower Sideband) modes in RST Scope by performing a Left or Right swipe on the screen.
What is the user rating for RST Scope?
RST Scope has a perfect rating of 5.0 stars from 1 rating. This indicates a highly positive initial user reception.


