# WSPR Radio vs CW Decoder

The clearest difference is in-app purchases: WSPR Radio at none against CW Decoder's 1. CW Decoder's advantage is update cadence (every 8 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CW Decoder sells 1 one-off in-app purchase. WSPR Radio asks for nothing beyond the download.

WSPR Radio ships an update every 2 months, CW Decoder every 8 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | WSPR Radio | CW Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/cw-decoder/id6748900681/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 76 MB | 12 MB |
| Requires iOS | **16.6** | 17.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RadioFX](https://appshunter.io/developer/1164649564) | [Keiya Chiba](https://appshunter.io/developer/1740986591) |

## What reviewers say

### WSPR Radio

[App page](https://appshunter.io/ios/app/wspr-radio/id1668348229)

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

**In-app purchases:** none


### CW Decoder

[App page](https://appshunter.io/ios/app/cw-decoder/id6748900681)

This application uses AI for high-accuracy Morse code decoding. It offers real-time signal processing for steady performance in noisy conditions. A free version allows for short decoding sessions, while a paid upgrade provides unlimited use and advanced features.

**Highlights:** AI-driven decoding, Real-time signal processing, Adjustable speed and thresholds, Decodes letters, numerals, and prosigns, Built-in microphone input, USB-C audio input (full version), Scrollable decoded text

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $2.99 | one-time |


## Frequently asked questions

### Is WSPR Radio free?

WSPR Radio is free to download, with no in-app purchases.

### Is CW Decoder free?

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

### Do WSPR Radio or CW Decoder have ads?

Neither WSPR Radio nor CW Decoder shows ads.

### Which is updated more often, WSPR Radio or CW Decoder?

WSPR Radio ships an update every 2 months, and CW Decoder every 8 days. Most recently, WSPR Radio was updated on October 8, 2026 and CW Decoder on October 11, 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.*