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Energy Consumption Analyzer APK for Android

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Editors’ Review

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Energy Consumption Analyzer, from Christoph Zens, is an Android utility that helps monitor household electricity, gas, and water usage. The app records irregular meter readings, computes normalized average consumption by hour, day, week, or month, and renders line and bar charts while supporting CSV import/export and optional Google Drive sync. Color-coded entries, custom comments, indirect metering multipliers, automatic meter-reset handling, CSV backup options, multi-utility support, and an ad-free, privacy-oriented offline-first design. Designed for homeowners, tenants, and environmentally conscious people who want detailed manual control over resource usage.

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The app is a manual metering tool that accepts periodic readings for electricity, gas, and water and then converts those raw values into normalized consumption rates. Normalized averages are computed per hour, day, week, or month so you can compare intervals of different lengths. The flexible entry model accepts irregular intervals and includes a mechanism to detect meter resets or replacements, keeping historic series continuous.

What the app measures and how it organizes meter data

How accurate are the consumption calculations for real-world use?

Accuracy depends on the input cadence and the correctness of meter entries. The tool calculates averages between recorded points rather than sampling continuously, so closely spaced readings reduce interpolation error. For indirect metering scenarios you can apply multiplication factors to convert units, which preserves comparability when a building uses scaled meters. The app's detection of meter resets prevents abrupt discontinuities in long-term charts.

Is data handling safe and what backup options exist?

The app prioritizes local, offline tracking, storing readings on the device by default and avoiding external services unless explicitly enabled. Users may opt into Google Drive synchronization for backup and multi-device access, and CSV import/export provides a portable copy of historical data. The developer ships the app without in-app advertisements, a detail users cite when choosing tools that avoid third-party telemetry during basic operation.

Do I need technical knowledge to operate the tool correctly?

Basic operation requires only reading meters and entering the values, so nontechnical users can begin logging consumption quickly. Advanced scenarios, such as indirect metering or correcting a replaced meter, demand deliberate input of multipliers or reset points; those steps are manual but exposed in the interface. CSV import allows bringing existing spreadsheets into the dataset, useful for users migrating historical records.

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Energy Consumption Analyzer 0/4

  • Pros

    • Handles meter replacements automatically to keep historical series intact
    • Supports CSV import/export for external analysis and data migration
    • Optional Google Drive sync stores backups on the user’s account
    • Ad-free, offline-first design reduces third-party telemetry exposure

  • Cons

    • Relies on user-entered readings, so accuracy depends on input discipline
    • Not designed for automated smart-home meter integration
    • Indirect metering requires manual setup of multiplication factors

Bottom Line

Best suited to disciplined manual trackers who value privacy over automation

Energy Consumption Analyzer is a practical option for homeowners and tenants who need precise, locally kept history of utility usage and who prefer hands-on data management. The trade-off is that meaningful insights require regular meter entries from the user, so it is less appropriate for those seeking automated sensor integration. For people willing to keep consistent logs, the app rewards that discipline with portable, long-term records. Recommended.

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Energy Consumption Analyzer APK for Android

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Used Energy Consumption Analyzer for Android?

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Full Specifications

GENERAL
Release
Latest update
Version
3.2.4
OPERATING SYSTEMS
Platform
Android
Additional Requirements
Requires Android
POPULARITY
Total Downloads
102
Downloads Last Week
6
Report Software

Program available in other languages

Last Updated

Developer’s Description

By Christoph Zens
This application keeps track of your energy consumption.

This application keeps track of your energy consumption. Add your meters for gas, electricity, or water to the database and record the current meter readings from time to time. Readings can be color-coded and comments may be added to remember special situations which may explain unusual energy usage. A regular reading interval is not required, take a reading whenever it is convenient.

From the entered data, the application calculates the average normalized rate of consumption per hour, day, week, or month (bewteen two readings) and draws a graph showing the consumption rate over time. The total amount of actually used energy during each day, week, month, or quarter is displayed as a bar graph or table. If the average cost per unit is provided, the graphs can also show the amount of money instead of energy.

For CLOUD SYNC: Use Export/Import via Google Drive to exchange database contents with other devices.

Meter exchange or reset is detected automatically and consumption data is recorded seamlessly across the reset.

Pinch zoom can be used on the trend and bar graph pages. In landscape orientation, comments are displayed in the list view.

Indirect metering is supoorted. In this case, the meter value is multiplied with a certain factor to convert it to the final energy value. Two separate unit texts can be entered, one for the meter and one for the actual energy value.

Meters can be marked to count backwards, which can happen with prepaid meters, showing the amount of remaining prepaid energy instead of used energy.

Virtual meters can be used to display the sum of individual meters and do simple unit conversion, for example from m3 to kWh. Please note that you should read your physical meters which are part of a virtual meter all around the same time for best results.

Meter data can be imported from and exported to CSV files from the context menu of each meter (long-press on the meter entry). Meters can also be edited and deleted via this context menu.

In addition to meter readings, sensor data like temperature or wind speed can be recorded. At the moment, this data is shown separately, but may be shown in combination with meter data in future releases.

ECAS is currently available in the following languages:

English, German, Japanese: Maintained by developer.

Czech: Provided by ONovy

Danish: Provided by Kim

Dutch: Provided by Gerard

French: Provided by Bernard

Hungarian: Provided by Peter

Italian: Provided by SDS

Polish: Provided by Sawomir Soch

Romanian: Provided by Lucian

Russian: Provided by Nikolai

Slovak: Provided by Silvio

Slovenian: Provided by Tomi

Spanish: Provided by Javier

Swedish: Provided by Lars

Turkish: Provided by Suphi

Ukrainian: Provided by Sergii

Want to run ECAS in your own language? Visit the ECAS website and check out the translation page!

IMPORTANT NOTE: The trend graph does NOT show total amount of energy used. The bar graph is used for this information. The trend graph shows usage values normalized to a certain time period (hour/day/week/month or year). If your meter records a usage of 10kWh within one hour (10kW power), the trend will show a usage rate of 240kWh per day for that measurement point (10kWh/h = 10kW power rating, normalized to one day -> 10kW * 24h = 240kWh). This is by design.

In case of questions or bug reports, please check the website (FAQ section) or send me an email.

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