# MRU4u > Bluetooth remote control and data management for MRU Fluegas Monitoring Units. (iPhone/iPad app by MRU Messgeräte für Rauchgase und Umweltschutz GmbH.) - Source: https://appshunter.io/ios/app/mru4u/id1110341401 (this page in markdown: same URL + `.md`) - Developer: [MRU Messgeräte für Rauchgase und Umweltschutz GmbH](https://appshunter.io/developer/1110341400) - Category: Productivity, Utilities - Price: Free - Age rating: 4+ - Requires: iOS 15.0 · 136 MB - Languages: Czech, Dutch, French (France), German (Germany), Japanese, Chinese (Simplified, China), Slovenian, Turkish - Released: 2016-06-23 - Data updated: 2026-06-09 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/mru4u/id1110341401/reviews.md ## What is MRU4u? Remote control of MRU Fluegas Monitoring Units via Bluetooth. Transfer to and storage of measured data on Smartphone and Tablet. Data export as CSV file or screenshot as an email attachment. Control the most important functions of your MRU unit with your iPhone or iPad. Measured data are shown live on the screen, either as text or as curve chart. Measured values to be indicated may be individually chosen by the user. Stored measuring data always comprise all possible values of the measuring unit. Measurements may be stored on the controlling unit, assigned to a heating facility and sent by mail. ## Key features - Bluetooth remote control - Live data display (text/chart) - Customizable data views - Data storage on device - CSV data export - Email data screenshots ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/mru4u/id1110341401/reviews.md ### 1/5 — Stürzt ständig ab! *2024-02-29, version 1.5.11* App tut so als würde sie Daten Überträgen, stürzt im Anschluss aber jedesmal ab und die Daten sind weg. Oder sie bricht die Übertragung am Anfang ab mit der Fehlermeldung ‚,invalide Site id“ Hat so keinerlei nutzen! ### 5/5 — Great *2024-01-09* It’s really easy to use and connects brilliantly, one question I have is that my app does allow me to display the gas pressures, there is no option to show this, is this because the rasi device I have is a bit older? ### 2/5 — DPM 9600 *2023-02-07, version 1.5.9* Druckmessung lässt sich in der App darstellen, jedoch die Gebrauchsfähigkeitsprüfung taucht in der App nicht auf. Warum? ### 2/5 — GD 400 *2022-04-22, version 1.5.0* QR Code des GD 400 kann nicht gelesen werden ! ### 1/5 — Software *2019-11-18, version 1.2.7* Die Software stürzt bei Drücken verbinden, Gerät verbinden ab, die App schließt sich einfach. Neuinstallation brachte keine Besserung. So ist die APP nutzlos. ### 1/5 — Stürzt ab *2019-11-05, version 1.2.7* App stürzt an beim anklicken Gerät verbinden. Mehrfach neu installiert iOS 13.2 ## Frequently asked questions about MRU4u ### What can MRU4u do? MRU4u allows you to remotely control MRU Fluegas Monitoring Units via Bluetooth, transfer and store measured data on your smartphone or tablet, and export data as CSV files or email screenshots. It displays live data in text or chart format. ### Is MRU4u free to use? Yes, MRU4u is available for free. The app is priced at $0.00 and does not feature in-app purchases or advertisements. ### What devices support MRU4u? MRU4u is compatible with iPhone, iPad, and iPod touch devices. It requires iOS 13.0 or later. ### How often is MRU4u updated? The latest version of MRU4u is 2.0.6, released on March 5, 2026. While the last update date is in the future, indicating potential for ongoing development, users can expect regular updates based on typical app release cycles. ### What is the age rating for MRU4u? MRU4u has an age rating of 4+. This indicates it is suitable for children and adults, with no mature content. ### Can I export data from MRU4u? Yes, MRU4u supports data export. You can export your measured data as a CSV file or send a screenshot of the data as an email attachment. ### Does MRU4u have ads? No, MRU4u does not contain advertisements. The app is completely ad-free, providing an uninterrupted user experience. ### How is data displayed in MRU4u? Measured data in MRU4u is shown live on the screen, either as text or as a curve chart. Users can individually choose which measured values to display. ## Version history (last 5 releases) ### 2.0.6 — 2026-03-05 BugFix (Pdf, Image) ### 2.0.5 — 2026-03-02 Support for var. PDF image resolutions ### 2.0.4 — 2026-02-13 BugFix Export (Pdf) New features: * Send multiple CSV files from protocols * Support new QRQode (IT) * Enhanced QRCode scanning * Layout changes BugFixes ### 2.0.2 — 2025-11-14 Stability BugFix Pdf Fuel check Minor BugFixes ### 2.0.1 — 2025-11-04 BugFix Search Sites ## Apps similar to MRU4u | App | Rating | Price | Category | | --- | --- | --- | --- | | [Remote HMI](https://appshunter.io/ios/app/remote-hmi/id441915586) | 4.0 (12) | Free | Productivity | | [Device Configurator](https://appshunter.io/ios/app/device-configurator/id1194056427) | 1.8 (8) | Free | Productivity | | [Honeywell EasySet](https://appshunter.io/ios/app/honeywell-easyset/id1538759961) | 3.0 (3) | Free | Productivity | | [RealVNC Viewer: Remote Desktop](https://appshunter.io/ios/app/realvnc-viewer-remote-desktop/id352019548) | 4.8 (15,041) | Free | Productivity | | [Fluke Connect](https://appshunter.io/ios/app/fluke-connect/id694449312) | 4.1 (97) | Free | Productivity | | [Combustion Guide - By Fives](https://appshunter.io/ios/app/combustion-guide-by-fives/id6447003291) | 5.0 (5) | Free | Productivity | ## More apps by MRU Messgeräte für Rauchgase und Umweltschutz GmbH - [Montec](https://appshunter.io/ios/app/montec/id6569243955) All apps by MRU Messgeräte für Rauchgase und Umweltschutz GmbH: https://appshunter.io/developer/1110341400 ## Related topics [mru4u](https://appshunter.io/ios/topics/mru4u) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-09.*