Clear dashboard
This month's kWh, estimated cost, comparison with last month and a green, yellow or red traffic light.
⚡ Free app for Android
Know your electric bill before it arrives
Electro calculates your kWh usage, your real cost based on your tariff and a projection to the end of the month. All on your phone: offline and no account needed.
- Free to start
- Works offline
- No sign-up, no cloud
- Tariffs from any country
Scan with your Android phone to install Electro
This monthLow usage
214kWh
$58.40
Vs. last month−12%
Projected at month end$61.00
Daily average7.1 kWh
Illustrative example
Everything you need to track your electricity use
From meter to bill, with no spreadsheets or calculators.
Readings in seconds
Log date, time, reading, a photo of your meter and notes. OCR scanning reads the digits for you (Pro).
Real tariffs
Price per kWh, fixed charge, taxes, subsidies, tiered blocks and time-of-use rates. Bill calculator included.
Smart statistics
Daily, weekly, monthly and yearly charts; highest and lowest usage, plus an advanced dashboard (Pro).
Usage calendar
Every day gets a colour: green, yellow or red. Tap a day to see usage, cost and notes.
Predictions & tips
“You will probably pay between $55 and $61.” Spots unusual usage and changes in your habits.
Alerts & budget
Get notified at 80% of your budget, reminders to log readings and monthly savings goals.
Multiple homes
Main house, beach home or apartment: each with its own meter, tariff, history and statistics.
Appliances & simulator
See what each device adds to your bill and simulate: “how much do I save using the A/C 2 hours less?”
Reports & backup
PDF, Excel and CSV reports generated on your phone, plus AES-256 encrypted backups.
Achievements
First month logged, three months of lower usage, accumulated savings and more to keep you motivated.
Context tags
Tag days with guests, vacation, rain, moving or a new appliance and understand why your usage changed.
How it works
Log your reading
Enter the meter reading with date, time and photo. With Pro, your camera reads the digits for you.
Electro does the math
Get your usage, daily average, real cost based on your tariff and the change versus last month.
Save with real data
See your bill projection, get alerts before you blow your budget and catch abnormal usage.
Your real tariff, in any country
Set up your bill exactly the way your utility charges it. Currency, numbers, date and time adapt to your country.
Price per kWhFixed charge & taxesTiers: 0-300, 301-750, 750+ kWhPeak / shoulder / off-peakHP/HC · F1/F2/F3 · TOUMonthly or bimonthly billingSolar panels: net meteringSubsidiesBill calculator
Free, with Pro options
The main features are free. Unlock Pro free for 24 hours by watching a video, or go Pro forever and remove ads.
Free
Track your usage starting today
- Dashboard with usage, cost and traffic light
- Readings with photo and notes
- Tariffs and bill calculator
- Calendar and usage charts
- Predictions, alerts and budget
- Achievements, PIN and biometrics
Pro ⚡
More analysis and zero ads
- OCR meter scanning
- Multiple homes and meters
- Advanced stats and comparisons
- Simulator and appliances
- PDF and Excel reports
- Encrypted backup and no ads
See Electro inside
Your data stays on your phone
No sign-upNo account or login needed.
No cloudYour readings are stored on your device.
PIN & biometricsLock the app with a PIN or fingerprint (optional).
Encrypted backupAES-256 backups (Pro).
Electro is free thanks to ads, which may use device identifiers. See the “Data safety” section on Google Play and our privacy policy.
Frequently asked questions
Does Electro work offline?
Yes. Everything works without a connection and your data never leaves your phone. Only ads need Internet.
Is Electro free?
Yes, the main features are free. You can unlock Pro free for 24 hours by watching a video, or go Pro forever and remove ads.
How can I know what my electric bill will be this month?
Log your meter reading. Electro calculates your usage and cost from your tariff and projects what you will pay at the end of the month.
Does it work with my country's tariff?
Yes. You can set price per kWh, fixed charge, taxes, subsidies, tiered or time-of-use rates, monthly or bimonthly billing and solar panels with net metering.
How do I log my meter reading?
Type the reading and add a photo of the meter. With Pro you can use OCR scanning: point the camera and Electro reads the digits.
Can I track more than one home?
Yes, with Pro. Each home has its own meter, tariff, history and statistics, and you can compare them.
Is my data safe?
There is no sign-up and no cloud: information is stored on your phone. You can lock the app with a PIN or biometrics and, with Pro, make AES-256 encrypted backups.
Is there an iPhone version?
For now Electro is available on Google Play for Android. Any news about iPhone will be announced on this page.
Start paying less for electricity today
Download Electro for free and know your usage before the bill arrives.