Electro: Power Usage Tracker

How much will you pay for electricity this month? With Electro you'll know before the bill arrives.

Electro is the easiest way to track your home's electricity use. Log your meter reading and the app automatically calculates your usage, your real cost based on your rate and the end-of-month forecast. Everything works 100% offline: your data never leaves your phone.

⚡ CLEAR DASHBOARD
• This month's usage in kWh and estimated spend
• Comparison with last month
• Daily average and days left in the period
• End-of-month cost forecast
• Usage traffic light: 🟢 low, 🟡 normal, 🔴 high
• Messages like "So far this month you've used 12% less than last month"

📸 READINGS IN SECONDS
• Log date, time, reading, meter photo and notes
• OCR scanning: point the camera and Electro reads the digits for you
• Automatic usage, daily average, cost and change
• Context tags: sunny day, rain, guests, vacation, moving, new appliance

💰 REAL RATES, ANYWHERE
• Price per kWh, fixed charge, taxes and subsidies
• Tiered rates (e.g. 0-300 kWh, 301-750 kWh, 750+)
• Time-of-use rates: peak/off-peak, TOU 4-9 PM, HP/HC, F1/F2/F3
• Monthly or bimonthly billing
• Solar panels: net metering or net billing
• Currency, numbers, date and 12/24 h time for your country
• Built-in bill calculator

📊 SMART STATISTICS
• Daily, weekly, monthly and yearly usage charts
• Monthly cost, historical average, highest and lowest usage
• Filter by dates, year and home
• Advanced dashboard: highest and lowest bill, total savings, yearly change and month ranking

📅 USAGE CALENDAR
Every day gets a color: green (normal), yellow (high) or red (very high). Tap a day to see usage, cost, reading and notes.

🧠 INSIGHTS & TIPS
• "Usage went up 25% compared to your average"
• "On weekends you use 40% more"
• "There's an increase after 6 PM"
• Bill prediction: "You'll probably pay between $55 and $61"
• Abnormal usage detection

🔔 ALERTS & BUDGET
• Warning at 80% of your budget
• Reminder when you haven't logged a reading
• Excessive daily usage or abnormal increase
• Money and kWh left with a risk indicator
• Monthly savings goals

🏠 MULTIPLE HOMES
Main house, beach house, apartment or mom's house: each with its own meter, rate, history and statistics. Compare one home against another.

🔌 APPLIANCES & SIMULATOR
Add your appliances and see how much each one contributes. Simulate: "How much do I save using the A/C 2 hours less?" or "What if I switch to LED?".

📄 REPORTS & BACKUP
• PDF, Excel and CSV reports generated on your phone
• Local .zip backup, SQLite database, JSON and AES-256 encrypted backup

🏆 ACHIEVEMENTS
First month logged, three months reducing usage, $50 saved, lowest usage of the year and more.

🔒 TOTAL PRIVACY
No sign-up, no accounts, no cloud. Optional PIN and biometrics.

FREE WITH PRO OPTIONS
The core features are free. Unlock Pro free for 24 hours by watching a video, or go Pro forever and remove ads: OCR, multiple homes and meters, advanced statistics, simulator, PDF/Excel reports, comparisons and encrypted backup.

Download Electro and start paying less for electricity today.