METSyS Current Logger vs ProMa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
METSyS Current Logger
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METSyS CURRENT LOGGER APP Easily configure the multi-language METSyS Current Logger, a 3 or 4-phase electrical current monitoring device. Start a new logging session on the METSyS Current Logger by simply inputting the following parameters: • Log name • Logging interval • Logging duration • Include Neutral current measurement Whilst logging, view: • Live reading • Last recorded minimum, maximum, and average readings • Number of logged values View stored logging sessions • View stored logs • Preview graph of logging session either portrait or landscape • View spot measurements on graph App can be configured to display using a various phase colours Export logs Using the app the logs available on the METSyS Current Logger can be viewed and a preview of the data displayed. The log can then be emailed as a CSV file for further analysis.
ProMa
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Die Suncycle Service App setzt Vor-Ort-Einsätze digital um und geht gezielt auf die Dokumentations-Anforderungen vor Ort ein. Individuell angepasste Protokolle werden zur Bearbeitung an die Service App übermittelt. Die einfache Bedienbarkeit und die hohe Flexiblität stehen dabei im Fokus. Nach der erfolgreichen Erfassung und Übermittlung aller vor Ort bearbeiteten Informationen wird automatisch eine Report für jedes ausgefüllte Protokoll generiert. Die Reports sind auf Wunsch an individuell anpassbar.
Screenshots
Verdict
The clearest difference is update cadence: ProMa at every 3 days against METSyS Current Logger's every 12 months. METSyS Current Logger's advantage is iOS requirement (13.0 vs 16.4). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
METSyS Current Logger ships an update every 12 months, ProMa every 3 days. The most recent releases landed on September 13, 2026 and August 31, 2026 respectively.
| Parameter | METSyS Current Logger | ProMa |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 25 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | GMC-I PROSyS Ltd | Suncycle GmbH |
In-app purchases
METSyS Current Logger
No in-app purchases
ProMa
No in-app purchases
