# iSolergo vs PV Solar Forecast

The clearest difference is in-app purchases: iSolergo at none against PV Solar Forecast's 4. iSolergo also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). PV Solar Forecast's advantage is update cadence (every 3 months vs every 9 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. iSolergo asks for nothing beyond the download.

iSolergo ships an update every 9 months, PV Solar Forecast every 3 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iSolergo | PV Solar Forecast |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 46 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electro Graphics Srl](https://appshunter.io/developer/542354467) | [Igor Ilijovski](https://appshunter.io/developer/1492982127) |

## What reviewers say

### iSolergo

[App page](https://appshunter.io/ios/app/isolergo/id542354464)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is iSolergo free?

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

### Is PV Solar Forecast free?

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

### Do iSolergo or PV Solar Forecast have ads?

PV Solar Forecast shows ads; iSolergo does not.

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

iSolergo ships an update every 9 months, and PV Solar Forecast every 3 months. Most recently, iSolergo was updated on November 1, 2026 and PV Solar Forecast on November 7, 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.*