Comparison

Voltha vs TommaTech Cloud

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

Head to head

About

Voltha

Features

Read full description

Mobile and PC-based application for energy flows control and monitoring, software updates, setting up programmable features of the energy storage device and controlling external devices like water cylinder, EV chargers and PV plants. The application allows the users to get the best performance from their energy storage system and therefore achieve the best economical results.

About

TommaTech Cloud

Features

Read full description

TommaTechCloud.Smart Energy Solutions,Renewable energy TommaTech Cloud is a next-generation platform that makes your living spaces smarter, more efficient, and better connected. Centralized Control: Access all your smart devices through a single app. Automation & Scenarios: Create your own rules and automate daily routines. Voice Assistant Compatibility: Control devices effortlessly with compatible voice assistants. Family Sharing: Easily share home control with your loved ones. Quick Setup: Integrate your devices in just a few simple steps. With TommaTech Cloud, manage not only your systems but also your time and energy. Welcome to the new standard of smart living.

Screenshots

Voltha4 screens

TommaTech Cloud4 screens

Verdict

The call

The clearest difference is update cadence: Voltha at every 3 weeks against TommaTech Cloud's every 8 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

Voltha ships an update every 3 weeks, TommaTech Cloud every 8 months. Both last shipped on September 14, 2026.

Scorecard1 real difference · 5 level

Voltha versus TommaTech Cloud: the parameters behind the verdict, then further details
Parameter	Voltha	TommaTech Cloud
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 8 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	71 MB	246 MB
Age rating	4+	12+
Developer	Aton Green Energy	TommaTech GmbH

In-app purchases

None

Voltha

No in-app purchases

None

TommaTech Cloud

No in-app purchases

Questions

Is Voltha free?

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

Is TommaTech Cloud free?

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

Do Voltha or TommaTech Cloud have ads?

Neither Voltha nor TommaTech Cloud shows ads.

Which is updated more often, Voltha or TommaTech Cloud?

Voltha ships an update every 3 weeks, and TommaTech Cloud every 8 months. Most recently, Voltha was updated on September 14, 2026 and TommaTech Cloud on September 14, 2026.