Comparison

Grid Zero vs Solar Panel Layout

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Grid Zero

Features
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GridZero helps EPC teams go from concept to client-ready solar proposals - faster and with precision. Combining 3D layouts, system optimization, financial analysis, and proposal generation into one continuous workflow. Designed for solar EPC professionals. GridZero is evolving to support the full solar project lifecycle. This app is exclusively available to existing GridZero B2B client organizations. Access is provisioned by GridZero for authorized team members.

About

Solar Panel Layout

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Solar Roof Layout helps you quickly estimate the solar potential of a roof. Measure a roof surface, run a solar panel layout, and get a clear estimate of how many PV modules can fit. The app focuses on the essentials: roof area, available surface, solar panels, PV layout, and quick estimation. Features: • Roof measurement • Available surface calculation • Solar panel layout • Estimated number of PV modules • Simple result visualization • Mobile tool for solar projects Solar Roof Layout helps you prepare a solar project, compare roof areas, and quickly estimate how many photovoltaic modules can fit on a roof. Designed for residential and professional solar projects, the app gives you a simple way to work on roof layout without complex software. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://azimutis.app/en/privacy.html

Screenshots

Grid Zero4 screens
Solar Panel Layout4 screens

Verdict

The call

The clearest difference is in-app purchases: Grid Zero at none against Solar Panel Layout's 2. On price, update cadence, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Solar Panel Layout sells 2 in-app purchases, starting at $2.99 per month. Grid Zero asks for nothing beyond the download.

UpkeepUpdate frequency

Grid Zero ships an update every 5 days, Solar Panel Layout weekly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Grid Zero versus Solar Panel Layout: the parameters behind the verdict, then further details
ParameterGrid ZeroSolar Panel Layout
PriceFreeFree
Update frequencyEvery 5 days — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size55 MB27 MB
Age rating4+4+
DeveloperGridzeroFrederic Billon

In-app purchases

None

Grid Zero

No in-app purchases

2 purchases

Solar Panel Layout

Subscriptions2
  • Pro7 Days trial$2.991 Month
  • Pro7 Days trial$17.991 Year

Questions

Is Grid Zero free?
Grid Zero is free to download, with no in-app purchases.
Is Solar Panel Layout free?
Solar Panel Layout is free to download, with in-app purchases available.
Do Grid Zero or Solar Panel Layout have ads?
Neither Grid Zero nor Solar Panel Layout shows ads.
Which is updated more often, Grid Zero or Solar Panel Layout?
Grid Zero ships an update every 5 days, and Solar Panel Layout weekly. Most recently, Grid Zero was updated on September 24, 2026 and Solar Panel Layout on September 23, 2026.

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