# SIRENE Tech. vs Koncéo

The clearest difference is iOS requirement: Koncéo at 13.0 against SIRENE Tech.'s 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SIRENE Tech. ships an update every 2 months, Koncéo every 3 months. The most recent releases landed on August 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | SIRENE Tech. | Koncéo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 59 MB | 63 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [e-Conception](https://appshunter.io/developer/883300086) | [CELAGRI SAS](https://appshunter.io/developer/1851175804) |

## What reviewers say

### SIRENE Tech.

[App page](https://appshunter.io/ios/app/sirene-tech/id1586825128)

This app allows users to actively participate in environmental data collection by submitting observations from the field. Users can geolocate, add details, view other submissions, and communicate with a community dedicated to nature protection.

**Highlights:** Field observation submission, Geolocation tagging, Community interaction, Information alerts, Nature protection focus

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Koncéo

[App page](https://appshunter.io/ios/app/konceo/id6444781202)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIRENE Tech. free?

SIRENE Tech. is free to download, with no in-app purchases.

### Is Koncéo free?

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

### Do SIRENE Tech. or Koncéo have ads?

Neither SIRENE Tech. nor Koncéo shows ads.

### Which is updated more often, SIRENE Tech. or Koncéo?

SIRENE Tech. ships an update every 2 months, and Koncéo every 3 months. Most recently, SIRENE Tech. was updated on August 20, 2026 and Koncéo on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*