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SimpleSSTV

SimpleSSTV

Encode and decode SSTV signals

3 ratings
12 reviews
🔧 Utilities
📷 Photo & Video
$0.99
In-App Purchases

Details

  • Released
  • Updated
  • January 7, 2026
  • July 15, 2026

Features

Developer

Jeroen Rombouts
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SimpleSSTV screenshot #1 for iPhone
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iphone
ipad
🧾$1.99 - $8.99
In-App Purchase↘︎
⭐12
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📝5+ tags
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❓8 answered
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About

This app allows ham radio operators to encode images into audio signals for transmission and decode received audio back into images. It supports various SSTV modes, live camera feeds, and even AI-generated QSL cards. Receive alerts for International Space Station SSTV events.

✓Encode images to SSTV audio
✓Decode SSTV audio to images
✓Live camera feed with trigger modes
✓Support for 14 SSTV modes
✓AI-generated QSL calling cards
✓ISS SSTV event notifications
✓Audio setup and troubleshooting tips
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What's New in SimpleSSTV

1.3.1

July 15, 2026

Hellscriber preambles! Send your callsign as a hellscriber-encoded blast of audio before the SSTV transmission starts!

1

In-App Purchases

$1.99

Listening Station Mode

Allows continuous monitoring, saving to a chosen folder

User reviews

Most RecentHighest RatedLowest Rated

Ham gone cold turkey

I am a former ham radio operator. I can use this on MURS on my property as a webcam that doesn’t need the internet! This is so cool!
darkth1rtydarkth1rty

Response from developer

Thanks for the review, happy to hear you're enjoyong the live feed option! I initially added it to get a (slow) webcam feed over $5 toy walkie talkies. 73!

Very good!!!

It’s just a very good app without ads and the functions are great!!!!!! Please leave it exactly like this!!!
gerdbakkegerdbakke

Response from developer

Thank you for the review! I promise only to fix bugs I find, not inject ads ;) Good luck on the airwaves, 73!

I really tried to use it

Today I tried two different SSTV apps on my iPhone 13. One was SimpleSSTV. I truly tried to give it an honest trial. In fact, since I never did see and instructions, I can’t be positive that I was using it correctly.
I went to the basement for quietude. I turned up the speaker on my computer and played numerous different YouTube recordings of SSTV sounds.
I pressed the button to start listening.
I tried to select the correct encoding method.
And I ended up with 16 six second captures for one played sound file. Sometimes a window would appear saying that not nearly enough of some units were captured and decode had failed.
Once, out of ten or so sound files from various sources I was able to force the recording of the sound file and decode it afterwards, but never could I decode it while playing.
I’d be happy to try again if I receive some kind of instructions.
I deleted the app, but I’m willing to redownload it.
Jeroen, the developer, provided a very helpful response. To him I say, yes, I absolutely would be willing to try again in a month.
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Steve ShannonSteve Shannon

Response from developer

Thanks for leaving a review even though you clearly had a frustrating time decoding images. Acoustic coupling (playing audio into a phone mic) isn't ideal: Apples noise canceling for phone calls is top notch but it messes with data transfer sometimes, and room acoustics create aliasing errors. That said A) I am aware of deeper issues with the decoder that make it perform badly, which I will hopefully fix soon in the V1.1 release and B) your concerns lead me to design a FAQ section with getting started tips, so thanks for that. Maybe give it another shot in a month when the fix lands. And a 4$ usb audio adaptor helps a LOT.

好软件

软件不错，挺实用，已内购支持，爱来自中国
Lightning1636Lightning1636

Response from developer

非常感谢您的支持，对我意义重大！希望中文本地化对您有帮助，虽然目前是 AI 翻译的。如有任何问题或功能建议，欢迎随时联系我。73！

Very well made

Very mell made app. Not the best decoding software for poor quality audio but really good and well simple for decent quality
sammyjax123sammyjax123

Response from developer

Thanks for taking the time to leave a review. The effectiveness of the decoder on source material with noise or fading isn't great, it loses sync too easily. I'm aware of this, and hope to improve it in new releases. Stay tuned!

See 7 more reviews

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FAQ

What is SimpleSSTV?

SimpleSSTV is a utility app designed for encoding and decoding Slow-Scan Television (SSTV) signals, a method used by ham radio operators to transmit images over audio frequencies. It supports various SSTV modes and features like live camera transmission and AI-generated QSL cards.

How does SimpleSSTV work?

The app converts images into audio tones that can be transmitted over radio. Conversely, it can decode received SSTV audio signals back into images. It offers features for both encoding images to audio and decoding audio to images, with support for numerous SSTV modes.

Can SimpleSSTV be used for live camera transmission?

Yes, SimpleSSTV includes a live camera mode that allows for real-time transmission. You can choose between continuous, motion-triggered, or periodic interval trigger modes for your camera feed.

Does SimpleSSTV notify users about ISS SSTV events?

Yes, SimpleSSTV provides notifications for when the International Space Station transmits SSTV images. You will receive automatic alerts before and during these events, including frequency, mode, and callsign information.

What SSTV modes does SimpleSSTV support?

SimpleSSTV supports a total of 14 SSTV modes, including popular ones like Martin M1 and M2, Scottie S1, S2, and DX, and various Robot and PD modes. A quick reference for all supported modes is available within the app.

Does SimpleSSTV have ads?

No, SimpleSSTV does not contain advertisements. It is a free application that offers its full functionality without interruption from ads.

What devices is SimpleSSTV compatible with?

SimpleSSTV is available for Mac, iPhone, and iPad devices. It is designed to work across the Apple ecosystem.

Where can I find help with audio setup for SimpleSSTV?

The app includes a dedicated help section in its settings that provides practical advice on audio setup, recommendations for USB adapters, and troubleshooting tips for decoding issues. This section is designed to help users achieve clean audio signals.