# Valiance Backbone for CW vs VoltKeep

The clearest difference is price: VoltKeep at Free against Valiance Backbone for CW's $3.99. VoltKeep also leads on update cadence (every 3 days vs every 11 months). Valiance Backbone for CW's advantage is iOS requirement (11.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

VoltKeep is free to download; Valiance Backbone for CW costs $3.99 up front. Valiance Backbone for CW sells 4 one-off in-app purchases and VoltKeep sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Valiance Backbone for CW ships an update every 11 months, VoltKeep every 3 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Valiance Backbone for CW | VoltKeep |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/valiance-backbone-for-cw-vbc/id521096092/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 28 MB | 74 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nob](https://appshunter.io/developer/508077821) | [Yuto Furudate](https://appshunter.io/developer/1886072871) |

## What reviewers say

### Valiance Backbone for CW

[App page](https://appshunter.io/ios/app/valiance-backbone-for-cw-vbc/id521096092)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip for the Developer | $0.99 | one-time |
| Standard Support | $4.99 | one-time |
| Premium | $9.99 | one-time |
| Ultimate Supporter | $29.99 | one-time |


### VoltKeep

[App page](https://appshunter.io/ios/app/voltkeep-tesla/id6760900723)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is Valiance Backbone for CW free?

Valiance Backbone for CW costs $3.99, and also offers in-app purchases.

### Is VoltKeep free?

VoltKeep is free to download, with in-app purchases available.

### Do Valiance Backbone for CW or VoltKeep have ads?

Neither Valiance Backbone for CW nor VoltKeep shows ads.

### Which is updated more often, Valiance Backbone for CW or VoltKeep?

Valiance Backbone for CW ships an update every 11 months, and VoltKeep every 3 days. Most recently, Valiance Backbone for CW was updated on November 1, 2026 and VoltKeep on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*