PIRS vs VTG Mounting App
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
PIRS
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'PIRS:Site' offers the perfect offline solution to access and manage your project documents and important correspondence. Simply synchronize your project data to your device and have the latest revisions and up-to-date information at hand anywhere, anytime, regardless of an available internet connection. As additional great feature, the 'PIRS:Site' download manager allows you to download every attached file directly to your device. Working with eventually outdated drawings on site or fighting with large paper files is therefore no longer an issue. You can even add your annotated documents, pictures and videos directly on site and upload all new files with the next synchronization. Working with PIRS, our project based document and correspondence management system, you are already able to easily manage and share all documents and information, sent and received from external or internal project members, suppliers or customers. As an extension of 'PIRS', 'PIRS:Site' allows you to stay on top of your project even when you have no internet connection or access to your company servers."
VTG Mounting App
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Nexxiot Mounting App is for activating Nexxiot devices and associating them with railcars or intermodal containers. We are committed to the safe, easy and reliable installation of Nexxiot devices using our simple purpose built app. With Nexxiot, your railcars and intermodal containers are placed at your fingertips. Just open the App and follow the straightforward instructions to bring your assets into the Nexxiot Connect cloud platform. Who is it for? Anyone who has the responsibility and permission to mount and associate Nexxiot-compatible devices to physical assets in the field. It will be most relevant for workshops, equipment managers and anyone in the business who needs to interact with railcars and intermodal containers to bring them into the Nexxiot digital ecosystem. To use the app you will need to be a registered user with an account with Nexxiot. Why is it useful? The Nexxiot mounting app is used to digitally connect and register individual railcars and intermodal containers which have been fitted with a Nexxiot Globehopper device. Once the registering process has been completed, it is possible to monitor assets, automate processes, create custom analytics and achieve complete asset and fleet visibility. How is it done? Download and install the app and open it on your iPhone. You will be guided through the process with clear instructions to take care of each step. This makes the process reliable so nothing can go wrong.
Screenshots
Verdict
The clearest difference is iOS requirement: PIRS at 13.0 against VTG Mounting App's 15.0. On price, update cadence, ads and in-app purchases 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.
PIRS ships an update every 3 months, VTG Mounting App every 4 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | PIRS | VTG Mounting App |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months โ better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 13.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 55 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | SOBIS Software GmbH | Nexxiot |
In-app purchases
PIRS
No in-app purchases
VTG Mounting App
No in-app purchases









