---
title: "PSK31 — App Overview"
url: https://marlvel.ai/apps/psk31
category: Lifestyle
developer: Black Cat Systems
platforms: ios
rating: 3.6 (15 ratings)
pricing: paid
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T06:50:08.687Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as a specialized, portable tool for ham radio operators to decode PSK31 signals using only an iPad and their radio equipment.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Lifestyle |
| Rating | 3.6 ★ (15) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 1.3 |
| Developer | Black Cat Systems |

<!-- SECTION: Summary -->
## What is PSK31?

PSK31 is an iPad utility designed for ham radio enthusiasts to decode and monitor PSK31 transmissions without a computer. It utilizes the device's microphone to capture audio and display real-time text, providing a portable alternative to traditional desktop setups.

<!-- SECTION: Key Features -->
## Key Features

- **Real-time Decoding**: Decodes and displays PSK31 transmission text directly on the iPad screen.
- **Waterfall Display**: Provides a visual representation of the audio spectrum to identify active PSK31 transmissions.
- **Signal Tuning**: Allows users to tune into specific transmissions by tapping on signals within the waterfall display.

<!-- SECTION: Target Audience -->
## Who is it for?

The primary audience consists of amateur radio operators looking for a mobile solution to monitor PSK31 signals.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/psk31/id385619882?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/psk31)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/psk31).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*