Solar ROI Calc & Payback is made and published by ZkDev. AppBrain is an independent app data site and isn't affiliated with ZkDev. The app name, icon, screenshots and description belong to ZkDev and are shown as published on Google Play.
AppBrain's verdict
Niche- Total installs
- 13
- Last updated
- September 16, 2026
Solar ROI Calc & Payback is a niche app, with 13 installs. It doesn't have enough ratings yet to judge what users think.
Installs
Tracked by AppBrain- Last 30 days
- 4
- Play install range
- 10+
- Launched
- September 2026
Installs over time
Solar ROI Calc & Payback has been installed 13 times. Over the past 30 days, it has been installed 4 times.
Rankings
Google Play top chartsGoogle Play Rankings for Solar ROI Calc & Payback
Competitors
Similar apps and more from ZkDevAlternatives to Solar ROI Calc & Payback
More from ZkDev
Releases
Updates seen on Google Play- Version
- 1.0.2
- Launched
- September 2026
User feedback
Ratings and reviews on Google PlayComments on Solar ROI Calc & Payback for Android
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- ?
- App size
- 20.9 MB
- Content rating
- Everyone
Technologies used by Solar ROI Calc & Payback
About the app and developer
About Solar ROI Calc & Payback
Solar ROI Calc & Payback is a tools app developed by ZkDev.
Install Statistics
Solar ROI Calc & Payback has been installed 13 times. In the last 30 days, the app was installed 4 times.
User Ratings
The app has no ratings yet.
App Information
Solar ROI Calc & Payback is freely available from Google Play. The app size is 20.85 MB. The latest version available is 1.0.2. The last update was on September 16, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since September 2026.
App Performance Report
Get a detailed PDF report for Solar ROI Calc & Payback with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for ZkDev
Store listing
By ZkDev, from Google Play“Solar ROI, payback period and lifetime savings calculator.”
Description by ZkDev Written by the developer, not by AppBrain. Click to read.
# What it does
Calculates simple payback period, lifetime savings, and ROI for residential and commercial solar PV installations.
# Features
- Total installed cost input
- Federal & state incentives modeling
- Annual production (kWh) input
- Utility electricity rate ($/kWh)
- Annual rate inflation factor
- System lifetime (typically 25 years)
- Simple payback period (years)
- Lifetime savings & ROI percentage
# Made for
Solar sales reps, homeowners, financial analysts, system designers, energy consultants.
# Optional Pro Upgrade — $2.99 one-time
The following features require a separate one-time in-app purchase. They are not required to use the calculator:
- Calculation history (saved & searchable)
- PDF report export with NEC references
- Dark theme
- Ad-free experience
Recent changes:
Added a link to TradeTools — the one-app version of this calculator and 61 more, for HVAC, electrical, plumbing, fire protection, solar and carpentry. Nothing else changed.