zero vs Solar Shading Survey
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
zero
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Anxious about climate change? Want to take action to manage your climate impact? Talk to zero. zero is an AI agent built to help you understand, reduce, and offset your climate impact. By estimating the carbon emissions associated with your activities and providing an extremely easy way to purchase vetted, high-quality carbon offsets, zero is here to be your trusted agent for climate action. Talk to zero. Protect the planet.
Solar Shading Survey
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Solar Shading Survey is a simple tool for solar shading surveys and horizon profile capture. Capture azimuth and elevation points, visualize the solar diagram and horizon profile, attach photos to the survey, then export your data in CSV, TXT or HOR format. The app is designed for solar shading checks, PV site surveys, photovoltaic pre-studies and horizon profile documentation. Features: ⢠Azimuth / elevation point capture ⢠Near and far shading documentation ⢠Solar diagram ⢠Horizon profile visualization ⢠Photos linked to the survey ⢠CSV / TXT / HOR export ⢠Simple use, no account required Solar Shading Survey provides a straightforward way to capture, visualize and export solar shading data. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://azimutis.app/en/privacy.html
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Verdict
The clearest difference is in-app purchases: zero at none against Solar Shading Survey's 2. zero also leads on iOS requirement (13.4 vs 17.6). Solar Shading Survey's advantage is update cadence (monthly vs every 4 months). On price, 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
Both are free to download. Solar Shading Survey sells 2 in-app purchases, starting at $3.99 per month. zero asks for nothing beyond the download.
zero ships an update every 4 months, Solar Shading Survey monthly. The most recent releases landed on September 14, 2026 and August 7, 2026 respectively.
| Parameter | zero | Solar Shading Survey |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Monthly ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 13.4 ā better | 17.6 |
| Further details ā not scored | ||
| Size | 34 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Cole Stites-Clayton | Frederic Billon |
In-app purchases
zero
No in-app purchases
Solar Shading Survey
- Pro7 Days trial$3.991 Month
- Pro7 Days trial$24.991 Year
Questions
Is zero free?
Is Solar Shading Survey free?
Do zero or Solar Shading Survey have ads?
Which is updated more often, zero or Solar Shading Survey?
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