Comparison

ETHERMA eControl vs VARTA.install

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

VARTA installer app

About

ETHERMA eControl

Features

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Mit dieser App können Sie kompatible Bluetooth-Thermostate überwachen und steuern. Erstellen Sie ein Wochenprogramm zur Energieeinsparung, sehen Sie den Energieverbrauch der vergangenen Woche ein oder nutzen Sie die App als professionelles Werkzeug zur Installation und Überwachung neuer Thermostate! Kompatible Thermostate erfüllen zusammen mit der App vollständig die Anforderungen der EU-Ökodesign-Verordnung 2015/1188.

About

VARTA.install

Features

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VARTA.install is the official app for commissioning, service and maintenance of VARTA energy storage systems. With the app, certified electricians can quickly and efficiently commission the new VARTA complete system, consisting of the VARTA.wall battery storage system, the VARTA.hybrid inverter and the VARTA.energymeter. The guided commissioning process is supported by the hotspot capability of the components and the simple scanning of the attached QR codes. Commissioning the VARTA.wall in slave mode remains possible, for example in combination with third-party inverters. In addition to commissioning, VARTA.install also supports service and maintenance tasks. You get an overview of your installed systems and have the most important information at hand in service cases. VARTA.install is the ideal companion for VARTA energy storage systems and enables smooth digital handling of installation, service and maintenance.

Screenshots

ETHERMA eControl3 screens

VARTA.install4 screens

Verdict

The call

The clearest difference is update cadence: VARTA.install at every 2 months against ETHERMA eControl's every 6 months. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ETHERMA eControl ships an update every 6 months, VARTA.install every 2 months. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

Scorecard1 real difference · 5 level

ETHERMA eControl versus VARTA.install: the parameters behind the verdict, then further details
Parameter	ETHERMA eControl	VARTA.install
Price	Free	Free
Update frequency	Every 6 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	15.1 — better	16.0
Further details — not scored
Size	33 MB	85 MB
Age rating	4+	4+
Developer	Taelek oy	VARTA Storage GmbH

In-app purchases

None

ETHERMA eControl

No in-app purchases

None

VARTA.install

No in-app purchases

Questions

Is ETHERMA eControl free?

ETHERMA eControl is free to download, with no in-app purchases.

Is VARTA.install free?

VARTA.install is free to download, with no in-app purchases.

Do ETHERMA eControl or VARTA.install have ads?

Neither ETHERMA eControl nor VARTA.install shows ads.

Which is updated more often, ETHERMA eControl or VARTA.install?

ETHERMA eControl ships an update every 6 months, and VARTA.install every 2 months. Most recently, ETHERMA eControl was updated on September 16, 2026 and VARTA.install on September 8, 2026.