RST Scope
koji kamogawa Utilities iPhoneiPadiPod touch
RST Scope is a free Utilities app for iPhone and iPad by koji kamogawa. Rated 5.0/5 from 1 ratings. Requires iOS 15.6. Updated December 27, 2025.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 4+
- Updated
- Dec 27
- 2025 · v2.7.0
Screenshots
About RST Scope
This is an app for amateur radio operators with a narrow band of audio frequency, spectrum scope & waterfall display. You can get a rich display by microphone inputting the speaker output of a radio that does not have a spectrum scope or waterfall function. The FFT allows you to distinguish between the dot and dash of Morse code. [function] 1. Ability to change the speed of the waterfall 2. Ability to adjust the level of audio input 3. Function to switch the display band between wide and narrow 4. Display pause function (pause / cancel by touching the screen) 5. Function to switch the cross hatch ON / OFF by longTap 6. Frequency resolution is fixed at 40Hz. 7. Function to switch the USB/LSB by Left/Right Swipe 8.Recording/Playback function of Input Sound RST Scope(Free) https://www.youtube.com/watch?v=1s9RvOFp52g
What’s new
Version 2.7.0 · Updated December 27, 2025
We updated the operating stability and display format.
App privacy
The developer, koji kamogawa, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: User ID, Device ID
- Usage Data: Advertising Data, Other Usage Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: User ID, Device ID
- Usage Data: Advertising Data, Other Usage Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, App Functionality, Other Purposes
Alternatives to RST Scope
Looking for apps like RST Scope? Here are 6 similar apps on the App Store. The highest rated is HamHamHam (5.0/5), and all 6 are free to download.
-
CloudLogOffline
3.0
-
HamHamHam
5.0
-
RadioEquations
5.0
-
ShackPilot: Ham Radio Remote
5.0
-
Ham Mixer Mobile
5.0
-
Pips!
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| RST Scope | 5.0 / 5 (1 rating) | Free | December 27, 2025 | |
| CloudLogOffline | 3.0 / 5 (3) | Free | Jan 26, 2026 | Compare |
| HamHamHam | 5.0 / 5 (1) | Free | Feb 21, 2026 | Compare |
| RadioEquations | 5.0 / 5 (2) | Free | Jun 8, 2024 | Compare |
| ShackPilot: Ham Radio Remote | 5.0 / 5 (1) | Free | Oct 22, 2026 | Compare |
| Ham Mixer Mobile | 5.0 / 5 (1) | Free | Mar 27, 2026 | Compare |
| Pips! | 5.0 / 5 (1) | Free | Feb 11, 2026 | Compare |
Compare RST Scope with the top alternatives: ratings, updates, ASO score and keyword gaps →