AQ Indoor vs Quad OPMS
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
AQ Indoor
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This app allows a user to SCAN the QR code on the front of the AQ Indoor and display data directly from the device on their mobile phone. The First page presents the CO2 value on a range that depicts air quality at that particular CO2 reading. This page also includes an Info tab that educates the user about what CO2 is and how this impacts the environment and the user. On the second page, the user is presented with the last 5 days highest CO2 value recorded. Also, on this page is the current pressure reading. Another info Tab on this page educates the user about room pressure and why this is important to their local environment.. This is a read-only application. Users can not change any values on the unit. The unit is initially set up by the installer.
Quad OPMS
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The Quad Operator Management System (OPMS) is used to onboard different factory operators to your shop floor. OPMS maintains a central repository of the operators giving you a comprehensive background check for different operators coming from various regions. A background check is necessary to maintain the consistency and efficiency on a shop floor. Often, there is a weak link that disrupts the ongoing plan, to mitigate such events, it is utmost necessary to safely onboard and offboard operators from the Quad OPMS.
Screenshots
Verdict
The clearest difference is update cadence: Quad OPMS at every 3 months against AQ Indoor's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AQ Indoor ships an update every 9 months, Quad OPMS every 3 months. Both last shipped on October 25, 2026.
| Parameter | AQ Indoor | Quad OPMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 3 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 12.0 | 12.0 |
| Further details โ not scored | ||
| Size | 33 MB | 36 MB |
| Age rating | 4+ | 17+ |
| Developer | XCSpec | Autosys Industrial Solutions Private Limited |
In-app purchases
AQ Indoor
No in-app purchases
Quad OPMS
No in-app purchases









