# iTEKK Selfie vs MySondy GO

The clearest difference is update cadence: iTEKK Selfie at every 6 days against MySondy GO's monthly. iTEKK Selfie also leads on iOS requirement (7.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iTEKK Selfie ships an update every 6 days, MySondy GO monthly. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iTEKK Selfie | MySondy GO |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | — | Free |
| Size | 43 MB | 12 MB |
| Requires iOS | **7.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [MIRKO DALMONTE](https://appshunter.io/developer/1809497083) |

## What reviewers say

### iTEKK Selfie

[App page](https://appshunter.io/ios/app/itekk-selfie-fly/id1334493693)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iTEKK Selfie free?

iTEKK Selfie is free to download, with no in-app purchases.

### Is MySondy GO free?

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

### Do iTEKK Selfie or MySondy GO have ads?

Neither iTEKK Selfie nor MySondy GO shows ads.

### Which is updated more often, iTEKK Selfie or MySondy GO?

iTEKK Selfie ships an update every 6 days, and MySondy GO monthly. Most recently, iTEKK Selfie was updated on November 11, 2026 and MySondy GO on October 30, 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.*