VMC CONNECT vs QR Store
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VMC CONNECT
Monitor and control CO2 extract vents from your installation. Pair vents via Bluetooth, identify them with a test button, and rename them. Track humidity, CO2 levels, and airflow rate for each vent.
- Bluetooth pairing of CO2 extract vents
- Vent identification and renaming
- Monitor humidity and CO2 levels
- Check airflow rate
- Override mode for maximum airflow
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Intuitive app for monitoring CO² extract vents : Pair different CO² extract vents from your installation via bluetooth. Identify the vents using the « Test » button and optionally rename them. Control various parameters : By selecting each vent, you can monitor humidity, CO² levels in the installed room, and also check the airflow rate. Vent management : An « Override Mode » button allows you to set the vent to its maximum airflow rate for a short period of time.
QR Store
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QR Store is an app that simplifies the scanning and management of QR codes. Users can easily scan QR codes and store and manage the information. Below are the main features of the app. [Main Features] ◆ QR Code Scan Easily and quickly scan QR codes to confirm the information. You can instantly check various information contained in the QR code such as websites, text, images, and more. ◆ QR Code Generation Users can convert desired text, URLs, emails, etc. into QR codes for creation. The created QR code can be easily shared with others. ◆ Scan History Management You can store and manage the history of the QR codes you have scanned. This allows you to quickly find the necessary QR code information again. ◆ Easy Sharing You can easily share the scanned information or generated QR codes by linking them with other apps. Using the QR Store makes scanning and managing QR codes easier and more convenient. Make scanning and managing barcodes more fun and convenient with QR Store!
Screenshots
Verdict
The clearest difference is ads: VMC CONNECT at none against QR Store's shown. VMC CONNECT also leads on iOS requirement (13.0 vs 15.4). QR Store's advantage is update cadence (every 3 weeks vs every 6 months). On price, 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.
VMC CONNECT ships an update every 6 months, QR Store every 3 weeks. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.
| Parameter | VMC CONNECT | QR Store |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 7 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | OPENIUM | eFlash |
In-app purchases
VMC CONNECT
No in-app purchases
QR Store
No in-app purchases
