# SSTV Signal Desk — Ham Radio Decoder & Encoder

> Decode and transmit SSTV images from audio signals and live input. (iPhone/iPad app by 方宇 周.)

- Source: https://appshunter.io/ios/app/sstv-signal-desk/id6754263308 (this page in markdown: same URL + `.md`)
- Developer: [方宇 周](https://appshunter.io/developer/395952569)
- Category: Lifestyle, Utilities
- Price: $2.99
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: +4
- Requires: iOS 16.6 · 14 MB
- Languages: German (Germany), Korean, European Spanish, French (France), Dutch, American English, Italian, Japanese, Malay, Russian and 2 more
- Released: 2025-10-28
- Data updated: 2026-08-25
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/sstv-signal-desk/id6754263308/reviews.md

## What is SSTV Signal Desk?

Decode Slow Scan Television (SSTV), ham-radio and ISS signals into images, or turn your own pictures into transmit-ready audio.

Receive live signals through the microphone or decode supported audio files. SSTV monitors the spectrum, adjusts frequency and slant, and lets you keep useful partial decodes when a transmission ends early.

Prepare and transmit images in a broad range of Martin, Scottie, Robot, PD, Pasokon, monochrome, FAX and AVT modes. Save decoded images and generated WAV files in clear RX/TX archives.

Built for iPhone and iPad:
• Professional Signal Desk with live spectrum
• On-device decoding and encoding
• Automatic frequency and slant correction
• Partial-image saving for useful incomplete decodes
• Mode guide with timing and resolution details
• Receive and transmit history
• Satellite tracking and official SSTV event sources
• Portrait and landscape layouts
• Localized interface in 12 languages

For amateur-radio operators, satellite listeners and anyone curious about pictures carried by sound.

## Key features

- Transmit and receive SSTV images
- Capture live audio from microphone
- Auto-enhance for clear results
- Decode audio files (MP3, WAV, etc.)
- Supports a wide range of SSTV modes
- Intelligent signal processing

## Chart rankings

- #159 in Top Paid · Lifestyle (US App Store)

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sstv-signal-desk/id6754263308/reviews.md

### 5/5 — I don't want to say that every penny was worth it, but that's certainly true.

*2025-10-31*

Clear in both receiving and sending, and easy to use. The results are just as good as MMSSTV on Ubuntu.

## Frequently asked questions about SSTV Signal Desk

### What SSTV modes does SSTV support?

SSTV supports a comprehensive list of classic and modern modes including M1, M2, S1, S2, SDX, SC2_60, SC2_120, SC2_180, R24, R36, R72, P3, P5, P7, BW8, BW12, PD50, PD90, PD120, PD160, PD180, PD240, PD290, MP73, MP115, MP140, MP175, MR73, MR90, MR115, MR140, MR175, ML180, ML240, ML280, ML320, FAX480, AVT24, AVT90, AVT94, MP73N, MP110N, MP140N, MC110N, MC140N, MC180N. This includes both color and black & white transmissions.

### How do I receive SSTV signals with SSTV?

To receive SSTV signals, press the microphone button within the app and hold your device close to the audio source emitting the SSTV signal. The app will then decode and display the image.

### Can SSTV transmit images?

Yes, SSTV allows you to transmit images. Select your desired sending mode and image, then bring your device close to the receiving device. The app will transmit the audio signal for decoding.

### What file formats can SSTV decode?

SSTV can process various audio file formats to unveil hidden images, including MP3, AAC, M4A, WAV, and more. It can also capture live audio from your microphone in real-time.

### What is the price of SSTV?

SSTV is a paid application, priced at $2.99. This one-time purchase grants you access to all its features.

### What devices is SSTV available on?

SSTV is available for iPhone and iPad devices. It is designed to run on Apple's mobile operating systems.

### How often is SSTV updated?

The latest version of SSTV is 1.5.4, and it was last updated on December 11, 2025. This indicates regular maintenance and potential feature additions.

### What is the age rating for SSTV?

SSTV has an age rating of 4+, making it suitable for a wide range of users, including children and adults.

## Version history (last 5 releases)

### 1.5.8 — 2026-08-17

• Adds a carefully timed App Store rating opportunity after successful receive or transmit workflows.
• Improves SSTV decode completion stability and release validation.

### 1.5.7 — 2026-08-10

• Redesigned Signal Desk and auxiliary screens for clearer iPhone and iPad layouts in portrait and landscape.
• Improved live spectrum smoothness and visual accuracy.
• Improved receive-state reporting, automatic frequency and slant correction, and partial-image saving.
• Improved RX/TX history, mode selection and satellite tracking.
• Added French, Vietnamese, Japanese, Korean, Malay, Arabic, Dutch, Spanish, German, Italian and Russian.
• Fixed crashes in sync cleanup, WAV reading, microphone lifecycle and invalid transmit-image handling.

### 1.5.6 — 2026-08-05

• Redesigned Signal Desk and auxiliary screens for clearer iPhone and iPad layouts in portrait and landscape.
• Improved live spectrum smoothness and visual accuracy.
• Improved receive-state reporting, automatic frequency and slant correction, and partial-image saving.
• Improved RX/TX history, mode selection and satellite tracking.
• Added French, Vietnamese, Japanese, Korean, Malay, Arabic, Dutch, Spanish, German, Italian and Russian.
• Fixed crashes in sync cleanup, WAV reading, microphone lifecycle and invalid transmit-image handling.

### 1.5.5 — 2026-07-23

• Redesigned Signal Desk and auxiliary screens for clearer iPhone and iPad layouts in portrait and landscape.
• Improved live spectrum smoothness and visual accuracy.
• Improved receive-state reporting, automatic frequency and slant correction, and partial-image saving.
• Improved RX/TX history, mode selection and satellite tracking.
• Added French, Vietnamese, Japanese, Korean, Malay, Arabic, Dutch, Spanish, German, Italian and Russian.
• Fixed crashes in sync cleanup, WAV reading, microphone lifecycle and invalid transmit-image handling.

### 1.5.4 — 2025-12-11

*Fixed some minor performance issues.

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## More apps by 方宇 周

- [Archiver  - Open RAR,ZIP,7Z](https://appshunter.io/ios/app/archiver-open-rarzip7z/id1232168387)
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- [A Clock!](https://appshunter.io/ios/app/a-clock/id1488704448)
- [SSTV Lite: Ham Radio](https://appshunter.io/ios/app/sstv-lite-ham-radio/id6793821600)
- [SatellitePlus Orbital Radar](https://appshunter.io/ios/app/satelliteplus-orbital-radar/id6795003326)

All apps by 方宇 周: https://appshunter.io/developer/395952569

## Related topics

[sstv signal desk](https://appshunter.io/ios/topics/sstv-signal-desk) · [simple sstv](https://appshunter.io/ios/topics/simple-sstv) · [sstv slow scan tv](https://appshunter.io/ios/topics/sstv-slow-scan-tv) · [sstv encoder](https://appshunter.io/ios/topics/sstv-encoder) · [sstv decoder](https://appshunter.io/ios/topics/sstv-decoder) · [sstv](https://appshunter.io/ios/topics/sstv)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*