Comparison

PQ vs Datum Connect

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

PQ-Box remote access via Wi-Fi

About

PQ

Features

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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.

About

Datum Connect

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Datum Connect allows you to seamlessly monitor your Datum Electronics torque transducer in real time over a simple, WiFi-enabled connection. With Datum Connect, you can instantly view real-time data on power, speed, and torque. Effortlessly log this data, browse your records, and share them via email with just a few taps. Easily configure analogue outputs across a range of absolute, differential, voltage, and current scales to suit your needs. Set high and low alarms to stay informed of critical changes. For any issues, the in-app ticketing system provides quick access to support, ensuring you always have the help you need.

Screenshots

PQ4 screens

Datum Connect4 screens

Verdict

The call

The clearest difference is update cadence: Datum Connect at every 7 months against PQ's every 16 months. Datum Connect also leads on iOS requirement (9.0 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

PQ ships an update every 16 months, Datum Connect every 7 months. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

PQ versus Datum Connect: the parameters behind the verdict, then further details
Parameter	PQ	Datum Connect
Price	Free	Free
Update frequency	Every 16 months	Every 7 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	17	9.0 — better
Further details — not scored
Size	40 MB	73 MB
Age rating	4+	4+
Developer	A. Eberle GmbH & Co. KG	DATUM ELECTRONICS LTD

In-app purchases

None

PQ

No in-app purchases

None

Datum Connect

No in-app purchases

Questions

Is PQ free?

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

Is Datum Connect free?

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

Do PQ or Datum Connect have ads?

Neither PQ nor Datum Connect shows ads.

Which is updated more often, PQ or Datum Connect?

PQ ships an update every 16 months, and Datum Connect every 7 months. Most recently, PQ was updated on October 5, 2026 and Datum Connect on October 25, 2026.