Comparison

Power Zero vs M

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

Head to head
About

Power Zero

Monitor and control your smart energy devices remotely. Track energy usage and production in real-time, find ways to improve efficiency, and manage your solar system's status.

Highlights
  • Real-time energy usage tracking
  • Energy production monitoring
  • Energy efficiency improvement suggestions
  • Remote smart home device control
  • Solar system status monitoring
  • Historical energy data
Features
Read full description

Manage your Power Zero smart energy devices anytime, anywhere Maximize your Power Zero experience and save battery with the Power Zero App: · Track your energy usage and production in real time with Mobile Optimized Energy · Find ways to improve energy efficiency · Control your smart home devices and remotely manage your Power Zero energy usage · Monitor the status of your solar system in real-time as well as various historical status data

About

M

Monitor and manage your building's energy flows, generation, and consumption directly from your smartphone. Gain insights with daily, monthly, and annual evaluations, and control connected devices like chargers and heat pumps for increased efficiency and sustainability.

Highlights
  • Visualize energy flows
  • Energy generation and consumption overview
  • Daily, monthly, annual evaluations
  • Energy-Charger control
  • Heat pump control
  • Remote energy management
Features
Read full description

With the new M-TEC E-SMART APP, you can bring M-TEC's comprehensive energy management directly to your smartphone. This innovative application makes all energy flows in your building visible and gives you a detailed overview of the energy you generate and consume, as well as the current status of your M-TEC products. The app allows you to create daily, monthly and annual evaluations of your energy production and consumption so that you always have an overview. Functions of the E-SMART APP: - Visualisation of energy flows: All energy movements in your building at a glance. - Energy overview: Overview of self-generated and consumed energy. - Time-based evaluations: Detailed daily, monthly and annual analysis. - Energy-Charger control: Start and control your Energy-Charger directly via the app. - Heat pump control: Access and control the heat pump for efficient use. - Energy management on the move: The smart energy management system from M-TEC on your smart phone. - Own use at a glance: Keep a clear overview of your own consumption at all times. Advantages of the E-SMART APP: - Simple operation: Intuitive user interface for easy handling. - Fully connected: Integrates all M-TEC products perfectly into your energy management. - Increase efficiency: Maximize the use of your self-generated energy and reduce your dependence on the power grid. - Sustainability: Support the energy transition and actively contribute to reducing your carbon footprint. - Available everywhere: Maintain an overview and control of your energy management, even when you are away from home. Bring the full power of M-TEC and third-party products to your smartphone and experience a new dimension in energy management. Download the M-TEC E-SMART APP from the app store today and get started on an energy-efficient future!

Screenshots

Power Zero3 screens
M4 screens

Verdict

The call

The clearest difference is review sentiment: M at 80% against Power Zero's 41%. Power Zero's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement 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

Power Zero ships an update every 6 weeks, M every 4 months. The most recent releases landed on September 6, 2026 and July 21, 2026 respectively.

Scorecard4 real differences · 6 level
Power Zero versus M: the parameters behind the verdict, then further details
ParameterPower ZeroM
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews40.9% of reviews80.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 6 weeks — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.515.0 — better
Further details — not scored
Size149 MB56 MB
Age rating12+4+
Developer毅 伍M-TEC Energy Systems GmbH

Customer experience

Power Zero

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews22 reviews
Positive40.9%
Neutral9.1%
Negative50.0%

M

Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

Power Zero

No in-app purchases

None

M

No in-app purchases

Questions

Is Power Zero free?
Power Zero is free to download, with no in-app purchases.
Is M free?
M is free to download, with no in-app purchases.
Do Power Zero or M have ads?
M shows ads; Power Zero does not.
Which is updated more often, Power Zero or M?
Power Zero ships an update every 6 weeks, and M every 4 months. Most recently, Power Zero was updated on September 6, 2026 and M on July 21, 2026.

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