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About WattByte

Technology should make consumption understandable.

WattByte is building a clearer way to understand how devices consume energy, battery power and network data.

Explore WattByteOur mission

It started with a simple question.

We know how much battery we have left. But how much energy have we actually consumed?

Every day, billions of devices draw energy and move data. The people using them mostly see the basics: a battery percentage, a count of gigabytes used this month.

What that activity costs, how much energy it really represents and how it changes over time is harder to see. The figures exist, but they are scattered across system settings, expressed in units nobody uses, or not shown at all.

WattByte exists to change that relationship with the data. It brings the measurements the operating system already provides, energy estimates based on the device itself, regional electricity prices and readable analysis into one place.

Make every watt understandable.

Our mission is to turn complex device consumption data into clear, accessible and actionable information.

  1. Clarity

    Complex measurements should be easy to understand.

  2. Awareness

    Better information helps people make more informed decisions about technology.

  3. Control

    Users should understand their own data and decide how to use it.

Built around principles, not buzzwords.

  1. 01. Transparency

    Users deserve clear information about how their devices behave and how measurements are calculated.

  2. 02. Privacy

    Personal usage data deserves careful handling, clear permissions and meaningful user control.

  3. 03. Accuracy

    Estimates should be identified as estimates. Measurements should be presented with appropriate context and limitations.

  4. 04. Simplicity

    Powerful technology should not require users to understand complex technical terminology.

A better understanding of everyday technology.

Six areas, one app. Each one is built on what the operating system actually exposes, which differs between Android and iPhone.

  • Battery intelligence

    Understanding battery consumption and usage patterns.

    Battery used today

    0 mAh

    Charging sessions on both platforms. Charge and energy counters where Android reports them; estimates from the battery level on iPhone.

  • Energy analytics

    Estimating energy consumption in Wh and kWh.

    Energy used today

    0.0 Wh

    Battery energy, wall energy at an adjustable efficiency and kWh, each marked when it is an estimate.

  • Network insights

    Understanding mobile data and Wi-Fi usage.

    Mobile

    0.0 GB

    Wi-Fi

    0.0 GB

    Daily, weekly and monthly totals on both platforms. Data by app on Android only; iOS gives apps no per-app figures.

  • Cost awareness

    Connecting estimated energy consumption with regional electricity prices.

    Estimated electricity cost today

    €0.0021

    At the household price for your region

    A public household price from Eurostat for supported countries, or a tariff you enter yourself.

  • AI insights

    Making technical usage information easier to interpret.

    Insight

    Your energy use was approximately 18% higher than your recent average. Most of the increase occurred between 14:00 and 17:00.

    Based on your WattByte usage data

    Insight, weekly summary, monthly summary and a playful roast, written from period totals only.

    Free-form questionsComing soon

  • Reports and history

    Identifying trends and comparing consumption over time.

    This week, Wh per day-8.2%

    Today, yesterday, 7 and 30 days, this month and the previous month; weekly and monthly summaries.

    Custom date rangesComing soon

Example data. Not a real user.

Beyond percentages and gigabytes.

We believe the next generation of device analytics should go beyond showing raw numbers. It should help people understand what those numbers mean.

  • Energy analysis that reads like an explanation, not a spreadsheet
  • More accurate estimates wherever the system data allows it
  • Reports that point at what changed and why it matters
  • Regional setup that keeps working without being configured
  • Analytical tools that improve with every release

No release dates here on purpose. Each of these ships when it is real.

The organization behind WattByte

Built by ATLASHC.

WattByte is a product developed within the ATLASHC technology ecosystem, focused on creating useful, modern digital experiences.

Explore ATLASHC(opens atlashc.pl in a new tab)
WattByteATLASHC
Business
ATLASHC Paweł Dolatowski
Legal form
Sole proprietorship, registered in Poland
Based in
Pamiątkowo, Wielkopolskie
Owner
Paweł Dolatowski

The people building WattByte.

WattByte is developed independently, by a small team that also owns the decisions: what gets measured, what gets stored and what the app says about it.

  • Decisions are made close to the code, so a rule like "an estimate is always labelled" is a line in the source, not a slide.
  • There is no growth team and no advertising SDK to feed. The product is the whole business.
  • Releases follow the platforms’ real limits: when iOS does not expose a number, the app says so instead of inventing one.

Antoni Dolatowski

Building WattByte at ATLASHC

Leads WattByte from product to code. The point of the project is a simple one: the numbers a phone already has should be readable by the person holding it.

Thoughtfully engineered. Continuously improved.

Native integration
A Flutter app with native Swift and Kotlin integrations reads the counters each platform exposes and keeps every measurement on the phone.
Reliable foundations
A backend in TypeScript on Fastify and PostgreSQL, with every route described by an OpenAPI schema and a generated mobile client.
Intelligent analysis
A modular AI gateway that can route to several providers, keeps the keys on the server and sends period totals only.
Continuous improvement
Unit, integration and widget tests, a device test plan, and development driven by the documented limits of Android and iOS.

Your data should remain yours.

Privacy is a design input, not a page added at the end. These are the rules the implementation follows.

  1. Transparent processing

    The privacy policy lists every value the app stores and every value that can leave the phone, and when.

  2. Permissions explained

    Each system permission is explained on screen before the system prompt, and the optional ones can be declined.

  3. Control over the account

    Cloud sync is off by default. The account, with everything attached to it, can be deleted from inside the app.

  4. Measurements kept apart from estimates

    A value calculated from the battery level or a design capacity is marked as an estimate, in the app and in exports.

  5. Data minimisation

    Raw samples and per-app usage never leave the phone. Sync uploads one row of totals per day, nothing more.

Read our Privacy Policy

The future of WattByte

We’re just getting started.

We’re building WattByte to make device energy and data consumption easier to understand. Follow our progress and be part of what’s next.

Explore WattByteGet the app

WattByte is not in the stores yet. The download page has the launch list.