KX3Mate app icon

KX3Mate Beta

Can be operated in CW / RTTY / PSK with Elecraft KX3. Also customize rich functionality of many callable at the touch of a button.

Makonao · jp.makonao.kx3mate

Not rated yet 5K+ downloads v0.7.19beta 973.8 KB Android 6.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v0.7.19beta (37) · Beta build
Updated
Feb 16, 2026 (8 months ago)
APK size
973.8 KB
Requires
Android 6.0+ (API 23)
CPU support
Any (no native code)
Category
Communication (app)
Listed since
Dec 23, 2022 (at least)
Website
makonao.web.fc2.com
Developer contact
[email protected]

About this APK

KX3Mate is an app by Makonao in the Communication category, listed since at least December 2022. It has no native code, so it runs on any Android processor.

Since version 0.7.15beta, the APK shrank from 1.1 MB to 973.8 KB and the minimum Android version rose from 4.0.3 to 6.0.

What's new in v0.7.19beta

- 一部の端末でファイルに追記されない不具合を修正 - インポートのファイル選択画面を変更 - いくつかのバグを修正

Description

From the listing uploaded by “appupdater”.

This is a small controller for the Elecraft KX3. This is a beta version. KX3Mate is an application for controlling the Elecraft KX3, a US amateur radio transceiver. To use it, connect the KXUSB included with the KX3 to an Android device that supports USB On-To-Go (USB OTG) via an OTG USB cable and launch KX3Mate. The KX3Mate and KX3 enable easy CW and RTTY/PSK operation, and in digital mode, decoded data can be displayed and logged. Pre-edited messages for each mode can be sent with a single touch. There are also macro buttons that can be freely configured, as well as buttons with pre-set macros for functions requiring multiple actions, which can be recalled with a single touch. Numerous button visibility settings, including button presets, are customizable. * Features ** Display - Displays the KX3's VFO and mode information. - Displays the transmission time in color to distinguish transmitted messages. ** CW/RTTY/PSK Message Transmission: - Send any message you like. - Specify callsign, RST, user information, etc. using message macros. - Press and hold the TX button to erase the message. ** CW/RTTY/PSK Memory Message Transmission: - Send memory messages in CW/RTTY/PSK modes. - Up to 8 messages can be saved per mode, divided into 4 banks, for a total of 32 messages. - Message macros can be used to specify callsign, RST, user information, etc. ** KX3 Built-in Message Transmission: - Transmits KX3 built-in messages MSG1 to MSG6. ** Macro Transmission: - Transmits KX3 macros. - Up to 8 macros can be saved in 4 banks, for a total of 32 macros. ** Keyer: - Preset the keyer speed (3 types) and recall them with a button. - Use the increase/decrease buttons to change the frequency in 1 WPM increments. ** Filter: - Preset five filter bands and recall them with the button. ** Transmit Power: - Preset five transmit power levels and recall them with the button. ** VFO: - Switch between VFO A/B and increase/decrease the frequency. ** Memory Channel: - Recall the KX3's built-in quick memory and memory channel with the button. ** Mode, Band: - Recall the mode or band with the button. - The mode and band buttons can be mapped in the settings. ** Contest: - Enables contest operation. - The contest number can be set to RST+001 or a fixed number. - Outputs a Cabrillo-format log. ** QSO Log: - Saves callsign, RST, mode, frequency, OP, etc. to the storage. Text log save location: /Download/KX3Mate/kx3_qso_CALLSIGN.txt ADIF log save location: /Download/KX3Mate/kx3_qso_CALLSIGN.adi Cabrillo log save location: /Download/KX3Mate/kx3_cab_CALLSIGN.txt ** Automatic decode log: - Automatically saves decoded text to storage. Save location: /Download/KX3Mate/decode_YYYYMMDD.txt ** Macro/memory and user data file export/load: - Macro/memory data can be exported to/loaded from storage. Save location: /Download/KX3Mate/kx3matemacro.dat - User data can be exported to/loaded from storage. Save location: /Download/KX3Mate/kx3mateuser.dat ** Settings: - You can set the display/hide and format of the send time. - You can set the display interval for text decoding. - You can set the display/hide of buttons. - You can also set various other settings. * Limitations - The application may crash when plugging or unplugging the USB cable. - The application may crash when switching screens. - The application may crash when closing. * App Permissions This app requires the following permissions: - Modify or delete the contents of USB storage - Read USB storage * System Requirements ** Software: - Android version 6.0 or later ** Hardware: - An Android device that supports USB On-To-Go (USB OTG) - USB cable (micro USB to USB A connector) - Elecraft KX3 - Elecraft KXUSB

Version history

4 versions are listed, going back to v0.7.15beta. Since v0.7.16beta it requires Android 6.0+.

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Feb 16, 2026.
  • Certificate issued to “Makonao” 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 Feb 16, 2026
  • Validated against Google Play Feb 16, 2026
  • Signed byCN=Makonao, C=jp
  • Signing certificate (SHA-1)62:CE:77:BA:7F:98:92:72:88:51:1F:5A:29:66:59:97:6C:F6:AA:47
  • File MD5e2eb16ea83f22aad354c7e4e00dcd624
  • 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.

Required hardware & features

KX3Mate APK: questions and answers

Is there a version of KX3Mate for older Android phones?

The current version needs Android 6.0 or later. Version 0.7.15beta is the newest listed build that installs on Android 4.0.3 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 0.7.15beta · 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 KX3Mate 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 e2eb16ea83f22aad354c7e4e00dcd624.

Tags

More Communication apps