SolarWise Pro Solar Calculator

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Everyone
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Everyone
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About this app

Know Your Sun. Own Your Savings.

SolarWise Pro is the most complete offline solar calculator for Android — built for homeowners, installers, off-grid builders, and energy professionals.

WHY SOLARWISE PRO?

✔ 100% OFFLINE — Worldwide irradiance dataset (NASA SSE / PVGIS TMY) bundled in the app. No API keys.
✔ ONE-TIME PURCHASE — Unlock Pro forever. No subscriptions. No recurring charges. Ever.
✔ ALL-IN-ONE SUITE — Irradiance, sizing, ROI, battery, journal, comparisons, component DB, export & widget.
✔ MODERN DARK UI — Material Design 3 "Deep Space" theme. Clean and fast on any Android device.

FREE FEATURES

🌍 GPS Solar Irradiance — Auto-detect or enter coordinates. Monthly PSH & GHI from bundled offline dataset. 12-month chart, seasonal bands, temperature coefficient correction.

⚡ System Sizing — Enter appliances & daily usage. Get system size (kWp), daily/monthly/annual production & self-sufficiency %. Templates: Home, Apartment, Off-Grid Cabin, Small Business.

💰 ROI & Payback — Enter cost, bill & tariff. Get payback period, first-year savings & 25-year cumulative savings with year-by-year chart.

📐 Tilt & Orientation Optimizer — Yield factor for any tilt/azimuth. Optimal tilt suggestion with compass rose.

📊 Bill Savings Estimator — Monthly savings & break-even from bill, system size & tariff. Instant results.

🗂 Project Management — Up to 2 projects with location, notes & results. Attach 1 photo. Duplicate projects.

📄 PDF Export (watermarked) — Share via WhatsApp, email, Drive, or any app.

PRO FEATURES — ONE-TIME UNLOCK

🚀 Unlimited Projects & Photos
🚀 Clean PDF & CSV Export — no watermark
🚀 Historical Irradiance (2010–2024) — Best/Worst/Average year, P90/P50 values
🚀 Advanced Financial Modeling — NPV, IRR, LCOE, 30% tax credit, sensitivity analysis, 25-year cash flow table
🚀 Battery Sizing — Capacity (Ah/kWh), charge controller, replacement schedule for Lead-Acid, LiFePO4 & Li-Ion
🚀 Grid vs. Solar vs. Hybrid — 25-year cost, CO₂ avoided, payback & self-sufficiency side-by-side
🚀 Component Database — 500+ panels, 100+ inverters, 50+ batteries. Auto-fill sizing. Add custom items.
🚀 Bill Savings Journal — Log monthly bills & production. Track real vs. predicted savings. Export CSV.
🚀 Home Screen Widget (2×2) — Daily generation & monthly output. Tap to open.
🚀 Cloud Backup — Encrypted JSON backup via Firebase Storage.
🚀 No Ads

WHO IS IT FOR?

• Homeowners evaluating a solar investment
• Solar installers & consultants
• Off-grid & DIY solar builders
• Property managers & energy auditors
• Engineers & renewable energy students
• Small businesses going solar

Website: www.nexovia.cloud | Email: support@nexovia.cloud
SolarWise Pro is developed and maintained by Nexovia LLC.
Updated on
May 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App activity and 2 others
This app may collect these data types
Financial info, App activity and 2 others
Data is encrypted in transit
Data can’t be deleted