# MySondy GO vs Suritec FRED

The clearest difference is in-app purchases: MySondy GO at none against Suritec FRED's 1. MySondy GO also leads on iOS requirement (16.6 vs 18.4). Suritec FRED's advantage is update cadence (every 4 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Suritec FRED sells 1 in-app purchase, starting at $8.99 per month. MySondy GO asks for nothing beyond the download.

MySondy GO ships an update monthly, Suritec FRED every 4 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | MySondy GO | Suritec FRED |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/mysondy-go/id6744840307/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 12 MB | 111 MB |
| Requires iOS | **16.6** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MIRKO DALMONTE](https://appshunter.io/developer/1809497083) | [Suritec Systems GmbH](https://appshunter.io/developer/1854467922) |

## 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


### Suritec FRED

[App page](https://appshunter.io/ios/app/suritec-fred/id6755539541)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monatliche Abrechnung | $8.99 | per month |


## Frequently asked questions

### Is MySondy GO free?

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

### Is Suritec FRED free?

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

### Do MySondy GO or Suritec FRED have ads?

Neither MySondy GO nor Suritec FRED shows ads.

### Which is updated more often, MySondy GO or Suritec FRED?

MySondy GO ships an update monthly, and Suritec FRED every 4 days. Most recently, MySondy GO was updated on October 6, 2026 and Suritec FRED on October 2, 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.*