# MySondy GO vs HamSat

The clearest difference is rating: HamSat at 4.4 against MySondy GO's 3.7. HamSat also leads on update cadence (every 2 days vs monthly). MySondy GO's advantage is in-app purchases (none vs 1) and iOS requirement (16.6 vs 26.4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. HamSat sells 1 one-off in-app purchase. MySondy GO asks for nothing beyond the download.

HamSat holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 3 and 5 respectively.

MySondy GO ships an update monthly, HamSat every 2 days. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MySondy GO | HamSat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/mysondy-go/id6744840307/reviews) | **[4.4 (5 ratings)](https://appshunter.io/ios/app/hamsat-ham-satellite-tracker/id6762450814/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 11 MB |
| Requires iOS | **16.6** | 26.4 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [MIRKO DALMONTE](https://appshunter.io/developer/1809497083) | [Vasco Barreiros](https://appshunter.io/developer/1451715392) |

## 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


### HamSat

[App page](https://appshunter.io/ios/app/hamsat-ham-satellite-tracker/id6762450814)

Track satellite passes with real-time azimuth, elevation, and Doppler-corrected frequencies. Features an Apple Watch companion for wrist-based aiming and pass tracking, and allows users to stamp photos with operational data.

**Highlights:** Apple Watch companion for pass tracking and antenna aiming, Live sky dome with real-time satellite arcs, Aim mode with phone compass and haptic feedback, Doppler-corrected frequencies for operating during passes, Photo stamping with callsign, grid, satellite, and UTC time, Offline satellite tracking and propagation, Geostationary satellite tracking

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HamSat Pro | $9.99 | one-time |


## Frequently asked questions

### Is MySondy GO free?

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

### Is HamSat free?

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

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

HamSat is rated higher. MySondy GO averages 3.7 out of 5 from 3 ratings, while HamSat averages 4.4 from 5 ratings.

### Do MySondy GO or HamSat have ads?

Neither MySondy GO nor HamSat shows ads.

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

MySondy GO ships an update monthly, and HamSat every 2 days. Most recently, MySondy GO was updated on October 6, 2026 and HamSat on October 17, 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.*