HamAlert vs MySondy GO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HamAlert
Receive instant push notifications for desired amateur radio contacts. Filter alerts by various criteria like callsign, band, mode, and location. Stay updated on DX spots from multiple sources.
- Push notifications for desired stations
- Filter spots by DXCC, callsign, and location
- Support for Reverse Beacon Network, SOTAwatch, DX cluster, PSK Reporter
- Filter by band, mode, and time
- Filter by spotter callsign and DXCC
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This app is a companion to the HamAlert web site (hamalert.org) and lets you receive push notifications from HamAlert. HamAlert is a system that allows amateur radio operators to get notifications when a desired station appears on the Reverse Beacon Network, SOTAwatch, the DX cluster or PSK Reporter. Spots can be filtered by various criteria, including: • DXCC (both actual and callsign home DXCC) • Callsign • Island reference • Summit reference • Park reference • CQ zone • Continent • Band • Mode • Time and days of week • Source • Spotter callsign and DXCC
MySondy GO
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.
- 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
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MySondy GO helps in RadioSonde field research. By connecting via Bluetooth to a TTGO Lora 32 (433Mhz) it is able to receive the radio signal directly from the probe, representing in a map the position, the position of the smartphone and all the data received. MySondy GO for Apple Watch works both as a standalone app and as a companion to the iPhone app for an integrated experience. For more information and to download the bin to install in the TTGO: https://mysondy.altervista.org
Screenshots
Verdict
The clearest difference is rating: HamAlert at 4.2 against MySondy GO's 3.7. HamAlert also leads on ratings volume (29 vs 3). MySondy GO's advantage is update cadence (monthly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HamAlert holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: HamAlert has 29 ratings behind it against 3, so its average is the more settled of the two.
HamAlert ships an update every 4 months, MySondy GO monthly. The most recent releases landed on September 17, 2026 and July 6, 2026 respectively.
| Parameter | HamAlert | MySondy GO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (29 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 29 — better | 3 |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 10 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Manuel Kasper | MIRKO DALMONTE |
Customer experience
HamAlert
MySondy GO
In-app purchases
HamAlert
No in-app purchases
MySondy GO
No in-app purchases
