MySondy GO vs Compass App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Compass App
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Find your direction and keep your coordinates close. myNorth brings a digital compass and location coordinates together so you can check where you are and share the details. Open the compass for orientation. Allow location access to view your coordinates, then copy or share them without typing each number. Save location coordinates and revisit saved records with their details. Use personalization settings to adjust the experience to your preferences. Premium features require a subscription (Premium). Open myNorth to check your direction, view coordinates and keep useful locations within reach. ========= Privacy: https://br-appsydigital-compass-digital.myprivacy.dev/privacy-policy Terms: https://br-appsydigital-compass-digital.myprivacy.dev/terms-of-service
Screenshots
Verdict
The clearest difference is in-app purchases: MySondy GO at none against Compass App's 3. MySondy GO also leads on update cadence (monthly vs every 10 months). On price, ads, device support and iOS requirement 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. Compass App sells 3 in-app purchases, starting at $4.99 per 7 days. MySondy GO asks for nothing beyond the download.
MySondy GO ships an update monthly, Compass App every 10 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | MySondy GO | Compass App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 12 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | MIRKO DALMONTE | Appsy Digital |
In-app purchases
MySondy GO
No in-app purchases
Compass App
- Premium3 Days trial$4.997 Days
- Premium$12.991 Year
- Lifetime$14.99
