Robot36 - SSTV Image Decoder app icon

Robot36 - SSTV Image Decoder

Decodes Slow Scan Television images from audio

Ahmet Inan · xdsopl.robot36

5.0 (2 ratings) 500K+ downloads v2.16 5.1 MB Android 7.0+ PEGI 3 · Everyone

Download APK 5.1 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v2.16 (66)
Updated
Sep 24, 2026 (14 days ago)
APK size
5.1 MB
Requires
Android 7.0+ (API 24)
CPU support
Any (no native code)
Category
Communication (app)
Listed since
Jan 12, 2018 (at least)
Permissions
2 (1 sensitive)
Website
sites.google.com/site/xdsopl
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Robot36 - SSTV Image Decoder is an app by Ahmet Inan in the Communication category, listed since at least January 2018. It has no native code, so it runs on any Android processor.

Since version 1.38, the minimum Android version rose from 4.0.3 to 7.0. It asks for 2 permissions, 1 of them sensitive: record audio. It asks for the same permissions as version 2.15.

What's new in v2.16

- added French translation - added asynchronous HFFAX mode - added frequency markers - updated libs and tools

Description

From the listing uploaded by “appupdater”.

Following SSTV modes are supported: Robot Modes: 36 & 72 PD Modes: 50, 90, 120, 160, 180, 240 & 290 Martin Modes: 1 & 2 Scottie Modes: 1, 2 & DX Wraase Mode: SC2-180 Old B/W or unsupported modes can be viewed in "Raw" mode. On detection of the calibration header of a supported mode, the resulting image will be automatically saved to the "Pictures" directory and can be seen in the Image gallery. With version 2, running the decoder in the background will not be supported anymore.

Version history

5 versions are listed, going back to v1.38. Since v2.14 it requires Android 7.0+.

v2.16 LATEST Sep 24, 2026 5.1 MB TRUSTED v2.15 Dec 25, 2025 4.7 MB TRUSTED v2.14 Jan 21, 2026 4.7 MB TRUSTED v1.48 Oct 1, 2026 4.3 MB TRUSTED v1.38 Jun 14, 2018 3.6 MB TRUSTED

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Sep 24, 2026.
  • Certificate issued to “xdsopl” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Sep 24, 2026
  • Validated against Google Play Sep 24, 2026
  • Signed byCN=Ahmet Inan, OU=Mobile Development, O=xdsopl, L=Freiburg, ST=Baden-Wuerttemberg, C=DE
  • Signing certificate (SHA-1)6A:0D:CF:F7:17:7D:38:E4:3D:85:3E:F6:68:96:66:54:1E:5A:AC:C7
  • File MD5907f90b1b61bfd6fdd88599785c6e295
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (2)

Robot36 - SSTV Image Decoder requests 2 permissions, 1 of them sensitive.

Required hardware & features

Robot36 - SSTV Image Decoder APK: questions and answers

Is there a version of Robot36 - SSTV Image Decoder for older Android phones?

The current version needs Android 7.0 or later. Version 1.48 is the newest listed build that installs on Android 5.0 and later. Get version 1.48 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Robot36 - SSTV Image Decoder APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 907f90b1b61bfd6fdd88599785c6e295.

Tags

xdsopl robot36 communication

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