Comparison

blueDAN vs Voltara Home

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

Head to head

blueDAN

Free

🔧 Utilities

★ 1.01 ratingsView app →

About

blueDAN

Visualize and store data from "BlueDAN" data loggers. Start and save recordings, access past data, and view it graphically or in tables. Export data as CSV files.

Highlights

Start and save data recordings
Graphical and tabular data display
Export data as CSV
Access individual recordings
View logger memory
Start background measurement

Features

Read full description

Diese App dient der graphischen Darstellung und Speicherung der Daten, die von Datenloggern der Familie "BlueDAN" (ESYS GmbH) bereitgestellt werden. Funktionen: • Bei Druck auf den"Aufnahme starten"-Button in der Online-Anzeige wird die Datenaufnahme gestartet, nach erneutem Drücken wird diese auf dem Gerät gespeichert. • Der Library-Button ermöglicht Zugriff auf die einzelnen Aufnahmen. Diese lassen sich anschließend graphisch bzw. tabellarisch darstellen oder als .csv-Datei per Email versenden. • Im Logger-Menu kann der gesamte Logger-Speicher abgerufen werden und die Hintergrund-Messung gestartet werden.

About

Voltara Home

Read full description

Voltara Home ist das intelligente Betriebssystem für Ihre Energie-Assets wie PV-Module, Batterien, Wallboxen und Wärmepumpen. Es ermöglicht Ihnen, unabhängig von Netz und Wetter zu agieren, sich autark mit sauberem, selbst produziertem Strom zu versorgen und Ihre Energiekosten effizient zu optimieren.

Screenshots

blueDAN4 screens

Voltara Home4 screens

Verdict

The call

The clearest difference is update cadence: Voltara Home at every 3 weeks against blueDAN's every 3 months. blueDAN's advantage is iOS requirement (13.0 vs 15.0). 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

blueDAN ships an update every 3 months, Voltara Home every 3 weeks. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level

blueDAN versus Voltara Home: the parameters behind the verdict, then further details
Parameter	blueDAN	Voltara Home
Price	Free	Free
Rating	1.0 (1 ratings) — better	—
Positive reviews	0.0% of reviews	—
Number of ratings	1 — better	—
Update frequency	Every 3 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0 — better	15.0
Further details — not scored
Size	4 MB	20 MB
Age rating	4+	4+
Developer	ESYS Gesellschaft fuer Elektronische Systemtechnik . Hard- und Software mbH	Voltara AG

In-app purchases

None

blueDAN

No in-app purchases

None

Voltara Home

No in-app purchases

Questions

Is blueDAN free?

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

Is Voltara Home free?

Voltara Home is free to download, with no in-app purchases.

Do blueDAN or Voltara Home have ads?

Neither blueDAN nor Voltara Home shows ads.

Which is updated more often, blueDAN or Voltara Home?

blueDAN ships an update every 3 months, and Voltara Home every 3 weeks. Most recently, blueDAN was updated on September 17, 2026 and Voltara Home on September 10, 2026.