# PV Solar Forecast vs Zero Carbon

The clearest difference is in-app purchases: Zero Carbon at none against PV Solar Forecast's 4. Zero Carbon also leads on ads (none vs shown) and update cadence (monthly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. PV Solar Forecast sells 2 in-app purchases, starting at $9.99 per month. Zero Carbon asks for nothing beyond the download.

PV Solar Forecast ships an update every 3 months, Zero Carbon monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | PV Solar Forecast | Zero Carbon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (43 ratings)](https://appshunter.io/ios/app/pv-solar-forecast/id1496274910/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 21.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 22 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [TheTowerTech](https://appshunter.io/developer/1259751444) |

## What reviewers say

### PV Solar Forecast

[App page](https://appshunter.io/ios/app/pv-solar-forecast/id1496274910)

Predict your solar power generation for up to 360 hours and 15 days ahead. This tool helps you save energy and money by planning appliance usage, EV charging, and understanding your system's output. It also provides detailed weather forecasts and data export options.

**Highlights:** 360-hour solar production forecast, 15-day daily solar production forecast, 12-month monthly generation forecasts, CSV data export, Current power estimation, Global location forecasting, Hourly weather forecast

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $9.99 | per month |
| Unlock all features | $39.99 | per year |


### Zero Carbon

[App page](https://appshunter.io/ios/app/zero-carbon-connect/id6447286723)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PV Solar Forecast free?

PV Solar Forecast is free to download, with in-app purchases available.

### Is Zero Carbon free?

Zero Carbon is free to download, with no in-app purchases.

### Do PV Solar Forecast or Zero Carbon have ads?

PV Solar Forecast shows ads; Zero Carbon does not.

### Which is updated more often, PV Solar Forecast or Zero Carbon?

PV Solar Forecast ships an update every 3 months, and Zero Carbon monthly. Most recently, PV Solar Forecast was updated on October 25, 2026 and Zero Carbon on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*