KRL SmartBox vs FLEX PressControl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KRL SmartBox
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The KRL Smartbox app can be used to retrieve measurement results from the KRL Smartbox via Bluetooth. The measurement results can be supplemented with further information and then exported as a PDF. Using the KRL SmartBox makes it possible to measure the corresponding relative humidity of mineral screeds. Changes in the temperature of the sample can influence the measurement of the humidity above it. During measurements with the KRL method at a temperature of 20°C ±5 °C, the expected maximum humidity deviation is ±2% relative humidity.
FLEX PressControl
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Mit der FLEX PressControl App haben Sie den Gerätezustand immer im Blick. Durch die Möglichkeit eines Gerätechecks sowie einer Auswertung des Fahrtenbuchs erhalten Sie in kurzer Zeit einen Überblick über den Zustand Ihres Pressgeräts. Die implementierte Report-Funktion bietet ferner die Möglichkeit ausgeführte Fahrten durch Erzeugung eines Baustellenberichts zu dokumentieren. Dieser wird in der App gespeichert und kann jederzeit abgerufen und per E-Mail verschickt oder auch ausgedruckt werden. Um die FLEX PressControl-App nutzen zu können, verbinden Sie einfach Ihre Pressgerät mit der App auf Ihrem Smartphone oder Tablet und legen Sie los.
Screenshots
Verdict
The clearest difference is iOS requirement: FLEX PressControl at 11.0 against KRL SmartBox's 15.1. 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.
KRL SmartBox ships an update every 7 months, FLEX PressControl every 5 months. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.
| Parameter | KRL SmartBox | FLEX PressControl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Witte Metallwaren Handelsges. mbH & Co. KG | FLEX-Elektrowerkzeuge GmbH |
In-app purchases
KRL SmartBox
No in-app purchases
FLEX PressControl
No in-app purchases
Questions
Is KRL SmartBox free?
Is FLEX PressControl free?
Do KRL SmartBox or FLEX PressControl have ads?
Which is updated more often, KRL SmartBox or FLEX PressControl?
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