Robot72 - SSTV Decoder
Decode HAM Radio & ISS SSTV
About
Decode amateur radio SSTV transmissions into images or encode your own photos as audio. This app offers a wide range of SSTV modes and runs entirely on your device for privacy.
What's New in Robot72
2026.6.25
June 28, 2026
New: try any Pro SSTV mode for free — just watch a short video to unlock it for one send (up to 3× a day). Plus UI polish and fixes.
In-App Purchases
$6.99
Robot72 Pro
Unlock 25+ SSTV modes and remove watermark.
Developer apps
FAQ
What is Robot72 used for?
Robot72 is used to decode slow-scan television (SSTV) transmissions from amateur radio and the ISS into images. It can also encode your own photos into audio signals that SSTV receivers can interpret.
Does Robot72 have ads?
Robot72 contains optional rewarded videos that can be watched to unlock Pro modes for a single transmission. There are no banner or pop-up advertisements.
Is Robot72 private?
Yes, Robot72 is private by design. All decoding and encoding processes run locally on your device, with no backend servers, analytics, or tracking. Your photos never leave your device.
What SSTV modes does Robot72 support?
Robot72 supports over 25 SSTV modes, including Robot 36, Robot 72, PD 50/90/120/160/180/240/290, Martin 1/2/3/4, Scottie 1/2/3/4/DX, SC2 30/60/120/180, Wraase, and AVT 24/90/94/125/188.
How does the Pro upgrade work in Robot72?
The Pro upgrade in Robot72 is a one-time purchase that unlocks the full library of SSTV modes for transmission, removes watermarks from sent images, and lifts the history cap. It is not a subscription.
Can I try Pro features in Robot72 without buying?
Yes, you can watch a short rewarded video up to 3 times a day to unlock any Pro mode for a single transmission, allowing you to test its capabilities before purchasing.
What devices is Robot72 compatible with?
Robot72 is available for iPhone, iPad, and Mac devices, allowing you to decode and encode SSTV transmissions across your Apple ecosystem.
How often is Robot72 updated?
The latest version of Robot72 is 2026.6.25, and it was last updated on June 28, 2026, indicating regular maintenance and feature additions.