# MySondy GO vs Echo

The clearest difference is rating: Echo at 5.0 against MySondy GO's 3.7. Echo also leads on update cadence (every 9 days vs monthly) and ratings volume (35 vs 3). MySondy GO's advantage is in-app purchases (none vs 2). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Echo sells 2 in-app purchases, starting at $4.99 per month. MySondy GO asks for nothing beyond the download.

Echo holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Echo has 35 ratings behind it against 3, so its average is the more settled of the two.

MySondy GO ships an update monthly, Echo every 9 days. The most recent releases landed on October 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MySondy GO | Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/mysondy-go/id6744840307/reviews) | **[5.0 (35 ratings)](https://appshunter.io/ios/app/echo-global-sdr-receiver/id6759174390/reviews)** |
| Number of ratings | 3 | **35** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | Free |
| Size | 12 MB | 12 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIRKO DALMONTE](https://appshunter.io/developer/1809497083) | [Mark Garrison Jr.](https://appshunter.io/developer/1877165041) |

## What reviewers say

### MySondy GO

[App page](https://appshunter.io/ios/app/mysondy-go/id6744840307)

This app aids in radio sonde field research by connecting to a TTGO Lora 32 device via Bluetooth. It displays the probe's position, smartphone location, and received data on a map. It also offers standalone and companion functionality for Apple Watch.

**Highlights:** Bluetooth connectivity to TTGO Lora 32, Real-time map display of probe and smartphone positions, Displays received radio sonde data, Standalone Apple Watch app, Companion Apple Watch app

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-global-sdr-receiver/id6759174390)

Tune into thousands of remote radio servers worldwide from your iPhone or iPad. Explore shortwave broadcasts, aviation communications, and more with a global interactive map and advanced tuning features. Enjoy uninterrupted background audio and a privacy-first experience.

**Highlights:** Global interactive map and search, Support for multiple SDR architectures, Scanner mode and OpenMHz archives, Pro-level tuning and analytics, Offline frequency library and logging, Uninterrupted background audio, Privacy-first design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Pro Monthly | $4.99 | per month |
| Echo Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is MySondy GO free?

MySondy GO is free to download, with no in-app purchases.

### Is Echo free?

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

### Which has better reviews, MySondy GO or Echo?

Echo is rated higher. MySondy GO averages 3.7 out of 5 from 3 ratings, while Echo averages 5.0 from 35 ratings.

### Do MySondy GO or Echo have ads?

Neither MySondy GO nor Echo shows ads.

### Which is updated more often, MySondy GO or Echo?

MySondy GO ships an update monthly, and Echo every 9 days. Most recently, MySondy GO was updated on October 6, 2026 and Echo on October 20, 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.*