iqSystem vs WolkCentraal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iqSystem
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iqSystem allows you to interact with a wide variety of IDK Pro A/V devices over the network, all on your iPhone. iqSystem is available as a simple interface for BYOD (bring your own device) applications or as front end to the complete system management (controlling multiple devices) with access to the full menu of options within the specified device. This was developed in keeping with the IDK’s Pro-A/V solutions to address a broad variety of market verticals that include: Education, Corporate, Entertainment, and Government applications. The control system follows IDK’s vertically integrated corporate structure where the entire IDK team operates closely together, encouraging both a spirit of inter-departmental cooperation and the ability to collaborate on our continuing pursuit of excellence. With our in-house production facilities, IDK can meet emerging market demands for additional features and enhanced performance more quickly than other Pro-A/V equipment manufacturers.
WolkCentraal
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WolkCentraal is a mobile application which enables real-time data monitoring and keeping track of the devices connected to WolkAbout IoT Platform. Features: - Real-time monitoring and control of the connected devices - Data visualization - Messages and push notifications - Possibility to connect to different WolkAbout IoT Platform instances just by switching server address or scanning a QR code
Screenshots
Verdict
The clearest difference is iOS requirement: iqSystem at 8.0 against WolkCentraal's 12.0. On price, update cadence, ads and in-app purchases 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.
iqSystem ships an update every 3 months, WolkCentraal every 6 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | iqSystem | WolkCentraal |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 97 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | IDK Corporation | WolkAbout Technology s.r.o. |
In-app purchases
iqSystem
No in-app purchases
WolkCentraal
No in-app purchases









