SSTV Slow Scan TV 4+

Black Cat Systems

Designed for iPad

    • $3.99



Want to display or send SSTV transmissions, without using a bulky computer? SSTV Pad lets you decode and display Ham (Amateur) Radio SSTV (Slow Scan TV) transmissions. Just connect your device to an HF radio (or even set it next to the radio's speaker), tune in an SSTV frequency, and watch the pictures. SSTV Pad decodes all of the popular SSTV modes, including Robot, Scottie, Martin, and more. Some modes are receive only.

Decoding of SSTV transmissions begins automatically as soon as the start of image audio signals are detected, and the image format is automatically selected. Manual control is also available for use when receiving conditions are poor. Timing signals (phase and skew) can be adjusted to compensate for mismatches with the sending station.

Received images can be saved - including automatically as they are received. You can leave the app running unattended, and come back to view all the received images. You can review saved images, as well as send them via email, and use iTunes file sharing to transfer them to your computer. You can even share them on your Facebook page, or tweet them to your followers, directly from the app! (iOS 6 and later)

You can also transmit images, taken from your saved photos or taken with your device's camera. Text, such as your callsign, can be added to the sent image.

Buy your copy right now, and start decoding and displaying SSTV transmissions in minutes. Just set your iPhone or iPad next to the radio speaker, and watch the pictures come rolling in.

Note: If you cannot see the transmit button, go to the Accessibility settings for your device and turn Button Shapes OFF. It makes the buttons too large so you cannot see them all.

Also, It is very important to have a well tuned signal of good quality, and make sure you get the audio from your radio to your device without adding additional distortion, or auto start and mode detect will not work optimally. Please see this page for tips on using the app and connecting your radio:

You can also use Bluetooth audio devices to feed audio into your device. Please be sure to use a good quality Bluetooth device, that does not distort the audio.

Modes supported for reception (not all modes can be transmitted):
B&W 8 sec
B&W 12 sec
B&W 24 sec
B&W 36 sec
Martin M1
Martin M1
Martin M2
Martin M3
Martin M4
PD 50
PD 90
PD 120
PD 160
PD 180
PD 240
PD 290
Robot 12C
Robot 24C
Robot 36C
Robot 72C
SC-1 32 sec
SC-1 16 sec
SC-1 8 sec
Scottie S1
Scottie S2
Scottie S3
Scottie S4
Scottie DX

What’s New

Version 2.0

This app has been updated by Apple to display the Apple Watch app icon.

Can now add multi line text to transmitted images.
Updates for iOS 10.2

Ratings and Reviews

3.9 out of 5
100 Ratings

100 Ratings

Josephwill ,

Great for on the go SSTV

This app is great for receiving and transmitting SSTV Images!

Receiving is easy. Just set your mode (or set to auto detect) and hold your phone up to your radio’s speaker when theres a SSTV signal. I already managed to get a few images from the international space station.

I wish that I was able to transmit on the PD modes, the rest work great though. I’m able to pick a picture on from my phone, add some text and then hold my phone up to my radios mic. (PS, don’t forget to check your radios timeout function if you’re using a mode that takes longer to transmit)

naturalorang3 ,

Almost perfect

Works great for receiving even just holding near my HT on low volume. The sliders for adjusting phase and skew tend to keep moving after you lift your finger and it throws off the image. Also there should be a way to automatically save received picture data and/or the audio files. It "auto-detected" the start of a new picture and wiped out the last one before I could save.

Revxxx ,

great app

this is a great app for portable use. dont have to bring bunch of wires and hardwares. It autosaves your received images to photos folder. One issue, it sometimes changes mode in a blink of an eye and right before the sstv station starts to transmit, bit annoying, so you have to keep an eye on your phone that its in the right mode. Hopefully updates will fix and add mode lock. So far it works great.

App Privacy

The developer, Black Cat Systems, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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