# WebSDR vs Moon Echo

The clearest difference is review sentiment: Moon Echo at 100% against WebSDR's 21%. Moon Echo also leads on price (Free vs $5.99) and rating (4.8 vs 2.4). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Moon Echo is free to download; WebSDR costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Moon Echo holds the better App Store score, 4.8 against 2.4. Both are backed by a comparable volume of ratings — 27 and 20 respectively. Written reviews point the same way: 21% of WebSDR's written reviews are positive against 100% of Moon Echo's.

## The numbers

| Metric | WebSDR | Moon Echo |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [2.4 (27 ratings)](https://appshunter.io/ios/app/websdr/id1558990423/reviews) | **[4.8 (20 ratings)](https://appshunter.io/ios/app/moon-echo/id6503342104/reviews)** |
| Number of ratings | **27** | 20 |
| Positive reviews | 20.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Paid | **Free** |
| Size | 20 MB | 21 MB |
| Requires iOS | 14.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### WebSDR

[App page](https://appshunter.io/ios/app/websdr/id1558990423)

This Audio Unit plugin allows musicians to incorporate live radio broadcasts into their music. It accesses Software Defined Radio streams from servers worldwide, offering unique audio textures for performances and mixes.

**Highlights:** Plays Software Defined Radio streams, Integrates live radio audio into music, Accesses global radio servers, Supports various radio modes (LSB, USB, CW, AM, FM), Provides unique audio textures for mixes

**Features:** macOS Compatibility

**In-app purchases:** none


### Moon Echo

[App page](https://appshunter.io/ios/app/moon-echo/id6503342104)

This free music app simulates echoes using the moon as a radio wave reflector. It creates unique, lively, and lo-fi effects modulated by celestial movements, offering a playful tool for both musicians and space enthusiasts.

**Highlights:** Moon-based echo simulation, Lo-fi musical effect, Celestial modulation, Space education tool, AUv3 and Standalone support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WebSDR free?

WebSDR costs $5.99, with no in-app purchases.

### Is Moon Echo free?

Moon Echo is free to download, with no in-app purchases.

### Which has better reviews, WebSDR or Moon Echo?

Moon Echo is rated higher. WebSDR averages 2.4 out of 5 from 27 ratings, while Moon Echo averages 4.8 from 20 ratings.

### Do WebSDR or Moon Echo have ads?

Neither WebSDR nor Moon Echo 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.*