# PJansen monitor

> PJansen monitor (iPhone/iPad app by E.J. Willemink.)

- Source: https://appshunter.io/ios/app/pjansen-monitor/id625474130 (this page in markdown: same URL + `.md`)
- Developer: [E.J. Willemink](https://appshunter.io/developer/579597231)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 20 MB
- Languages: American English
- Released: 2013-04-03
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/pjansen-monitor/id625474130/reviews.md

## What is PJansen monitor?

The P. Jansen monitor brings your solar data to your mobile device.
The monitor shows the latest data in one view. Additional screens are supplied for more detailed information.

When your account has multiple systems, data can be shown combined and separately.

Requirements:
To use the application it is required that the data of your PV system is logged to the monitor site of installatiebedrijf P. Jansen. See www.pjansen.nl for more details.

Installation:
For the application you need to apply your login information as used on to access your data.


## Version history (last 5 releases)

### 2.4.6 — 2025-06-30

App versions updated.

### 2.3.2 — 2021-11-17

Updated app, improved security and data exchange.

### 2.2.2 — 2017-11-01

This app has been updated by Apple to display the Apple Watch app icon.

Requests for data are done secure.

### 1.0.1 — 2013-04-18

Demo mode added.

### 1.0.0 — 2013-04-03

No release notes.

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## More apps by E.J. Willemink

- [FP4All monitor](https://appshunter.io/ios/app/fp4all-monitor/id579597208)
- [FP4All Slimme Meter monitor](https://appshunter.io/ios/app/fp4all-slimme-meter-monitor/id933627560)
- [Nulopdemeter.online monitorapp](https://appshunter.io/ios/app/nulopdemeteronline-monitorapp/id1267797047)
- [mijn-energie.nu - NOM monitor](https://appshunter.io/ios/app/mijn-energienu-nom-monitor/id1397517800)
- [Zaanderwijk NOM monitor](https://appshunter.io/ios/app/zaanderwijk-nom-monitor/id1472274543)

All apps by E.J. Willemink: https://appshunter.io/developer/579597231

## Related topics

[pjansen monitor](https://appshunter.io/ios/topics/pjansen-monitor) · [pv monitoring](https://appshunter.io/ios/topics/pv-monitoring)

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*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 2026-06-04.*