# PhosphorRTTY vs VibeSDR

The clearest difference is price: PhosphorRTTY at $0.99 against VibeSDR's $2.99. VibeSDR's advantage is device support (3 vs 1) and iOS requirement (16.4 vs 26.2). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

PhosphorRTTY costs $0.99 and VibeSDR $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PhosphorRTTY | VibeSDR |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vibesdr/id6786344049/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Paid | Paid |
| Size | 3 MB | 52 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Stuart Woolley](https://appshunter.io/developer/315697638) | [Stuart Carr](https://appshunter.io/developer/6786344051) |

## What reviewers say

### PhosphorRTTY

[App page](https://appshunter.io/ios/app/phosphorrtty/id6760180586)

Decode Radio Teletype (RTTY) signals in real time using your iPhone's microphone. Listen to shortwave radio transmissions and see the text appear on an authentic phosphor CRT display. No internet or external hardware needed.

**Highlights:** Real-time RTTY signal decoding, Authentic phosphor CRT display, Automatic signal detection (AFC, baud, shift), Manual tuning options, Live signal analysis (FFT, waterfall), Session logging and sharing, Customizable display themes

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

**In-app purchases:** none


### VibeSDR

[App page](https://appshunter.io/ios/app/vibesdr/id6786344049)

This app acts as a versatile receiver client for various software-defined radio servers. It offers advanced display, tuning, and audio features, along with on-device decoders and voice control for a comprehensive radio experience.

**Highlights:** Connects to multiple SDR server protocols, GPU-rendered waterfall and spectrum display, Native background audio playback, On-device decoders for RTTY, NAVTEX, WEFAX, SSTV, Morse, Voice control via Siri, CarPlay and Apple Watch integration, Deep linking for station tuning

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is PhosphorRTTY free?

PhosphorRTTY costs $0.99, with no in-app purchases.

### Is VibeSDR free?

VibeSDR costs $2.99, with no in-app purchases.

### Do PhosphorRTTY or VibeSDR have ads?

Neither PhosphorRTTY nor VibeSDR shows ads.

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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.*