PQ vs IoT Maintenance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PQ
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The PQ-Box App – Experience power quality in a whole new way. Connect wirelessly to your PQ-Box and keep an eye on your measurement data at all times. Live visualization, smart analysis features, and full control—all combined in one intuitive app. This makes power quality analysis mobile, flexible, and simply fascinatingly efficient.
IoT Maintenance
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The "IOT maintenance" app is only intended for sentinel IOT devices operators and end customers. It allows them to easily do the settings and devices functional settings .
Screenshots
Verdict
The clearest difference is update cadence: IoT Maintenance at every 5 months against PQ's every 16 months. IoT Maintenance also leads on iOS requirement (11.0 vs 17). On price, ads, 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.
PQ ships an update every 16 months, IoT Maintenance every 5 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | PQ | IoT Maintenance |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 16 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17 | 11.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | A. Eberle GmbH & Co. KG | Mobit Belgium bvba |
In-app purchases
PQ
No in-app purchases
IoT Maintenance
No in-app purchases
