Esther App vs MySondy GO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Esther App
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https://www.youtube.com/watch?v=tdiJA_wztr0 THIS IS THE APP VERSION (Install this version in the device that you always carry with you) VIGIA VERSION: https://esther.app Install Esther and make your old phone a security device. It will inform you the status of your home: the power network, the internet status and you will be able to take pictures and videos. This App version of Esther is the client version. We are committed to protect your privacy. Esther never asks for you personal information, therefore your identity is protected. When you take pictures or videos, Esther works with an end-to-end encryption, only you can decrypt the multimedia content.
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 update cadence: Esther App at every 5 days against MySondy GO's monthly. Esther App also leads on iOS requirement (10.0 vs 16.6). On price, ads, in-app purchases and device support 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.
Esther App ships an update every 5 days, MySondy GO monthly. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.
| Parameter | Esther App | MySondy GO |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.7 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 5 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 72 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Senzil S.R.L. | MIRKO DALMONTE |
In-app purchases
Esther App
No in-app purchases
MySondy GO
No in-app purchases
