Valiance Backbone for CW - VBC

Valiance Backbone for CW - VBC

by Nob

1 ratings
11 reviews
$3.99
In-App Purchases

Details

  • Released
  • Updated
  • June 28, 2012
  • February 11, 2026

Features

Valiance Backbone for CW - VBC screenshot #1 for iPhone
Valiance Backbone for CW - VBC screenshot #2 for iPhone
Valiance Backbone for CW - VBC screenshot #3 for iPhone
Valiance Backbone for CW - VBC screenshot #4 for iPhone
Valiance Backbone for CW - VBC screenshot #5 for iPhone
iphone
ipad
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About

Decode Morse code signals in real-time using your device's microphone. This app employs advanced FFT technology to accurately distinguish transceiver signals from noise, offering a high success rate for radio communications. It features a range of tools for signal analysis and log management.

Real-time Morse code decoding via microphone
Advanced FFT technology for signal detection
Minimizes false decodes from noise
Morse Sound Recorder & Player
Export text logs and audio data
Predictive decoding for difficult codes
Tone and sound pressure measurement
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What's New in Valiance Backbone for CW

1.60.0

February 11, 2026

Morse Decoder VBC Ver. 1.60 — Update Details 1. New Features & Content Added sample audio: Practice materials now include realistic QSO simulation audio, created with permission from the original counterpart station operator at the time. Official iPad support: Optimized for the iPad’s larger display. Font size options have been expanded to up to four levels to improve readability. Development support feature: Added a donation menu to support ongoing app development. 2. Usability & UI Improvements Reworked log submission flow: The send button has been moved from the settings screen to the toolbar for quicker access. Added a submission completion message to clearly indicate execution results. Improved audio file selection: File list is now sorted by newest first. Selection highlight color changed to blue for clearer visual identification. Optimized log viewing: Improved scrolling so past logs can be reviewed smoothly even during decoding. Increased text size on the Help screen. RUN button visibility optimized: Displayed only when needed to streamline the layout. Design refresh: Updated layout and design of the settings, calibration, and font size buttons. Improved data management: Unified recording file name and timestamp format (yyyy/MM/dd HH:mm). Optimized log save timing to occur on email sending or draft saving (logs remain in the device EEPROM until explicitly deleted). 3. Support & Fixes for Latest Devices Optimization for latest devices: Introduced automatic layout calculation to maximize display area on newer iPhones without a Home button and with a notch (camera area). App icon updates: Added icons in the latest required sizes to fix display issues on newer devices. 4. Bug Fixes Calibration save fix: Resolved an issue where CAL1–CAL3 save destinations were misaligned, preventing CAL3 from being used. Filter setting improvement: Fixed an issue where peak detection failed when “No filter specified” was selected. The filter is now set to an almost full-range width, enabling stable detection.

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In-App Purchases

$0.99

Tip for the Developer

Helps maintain and improve the app.

User reviews

性能はいいのですがアイコンが壊れる

だいぶ前からアイコンが壊れています。
再起動すれば治るかと思ったのですが、再起動でも復元していません。

Response from developer

 リリース後に発売された機種で一部アイコンが表示されないことを確認しました。現在存在するアイコンサイズをすべて追加しましたので、表示されると思います。26/2/12

素晴らしい

某日本製のPCデコーダーを使っていましたが、VBCの方がはるかに性能が高い!当然すぐこちらに乗り換えました。

重宝してます

かなり前のバージョンから使っていますが、とても便利で重宝しています。デコード性能も満足出来る物で、価格以上の価値があります。最近のアップデートで、eなどの入りやすいゴミが減りました。DXなどの高速打電されるCWなど、自信の無い時に側においておくと、安心出来るようなアプリです。

メールが出せない

メールアドレスが抜けている。

Response from developer

ログ送信のメールアドレスは、宛先の当たりをタップすると入力できます。また、+のところをクリックすると普段使っているアドレス帳が開きます。直接メールを送信したいという意味でしたらヘルプファイルの中にアドレスが記載してあります。 26/2/12追記  メールの宛先を入力してくださいという表示を追加しました。

Not good

Did not detect the correct tones for a repeater Id... Lame

Response from developer

The VBC has only 2 BAD comments in the world. There are in USA market only. You can see real comment. https://bit.ly/2OX8jiO The VBC is decoding only real sine waves with the fastest FFT algorithm. The VBC does not decode beep sounds (rectangular waves) etc. which are not real carriers. If you would like to decode rectangle wave, you should be off CW DETECT option switch.

Developer apps

FAQ

What is Valiance Backbone for CW used for?

Valiance Backbone for CW is used to decode Morse code signals in real-time using your iPhone or iPod touch's built-in microphone. It is designed for amateur radio operators to decode transceiver signals.

How accurate is Valiance Backbone for CW?

The app claims to have an extremely high success rate for decoding actual transceiver signals, minimizing false decodes from atmospheric noise or voices. Its decoding capability is suggested to surpass many expensive hardware units and PC software.

Does Valiance Backbone for CW have ads?

No, Valiance Backbone for CW does not contain advertisements.

What is the price of Valiance Backbone for CW?

Valiance Backbone for CW is a paid application priced at $3.99.

What devices does Valiance Backbone for CW support?

Valiance Backbone for CW supports decoding on iPhone, iPad, and iPod touch devices.

What decoding speeds does Valiance Backbone for CW support?

The app supports decoding speeds ranging from 5 to 40 Words Per Minute (WPM).

Can Valiance Backbone for CW export data?

Yes, you can export text logs, audio data, and history via email from Valiance Backbone for CW.

How often is Valiance Backbone for CW updated?

The latest version is 1.60.0, last updated on February 11, 2026, indicating a consistent update schedule.