# PV Solar Forecast vs ZenTools

The clearest difference is rating: ZenTools at 5.0 against PV Solar Forecast's 4.0. ZenTools also leads on in-app purchases (none vs 4) and ads (none vs shown). PV Solar Forecast's advantage is ratings volume (43 vs 1). On price, device support and iOS requirement there is nothing between them.

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

ZenTools holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: PV Solar Forecast has 43 ratings behind it against 1, so its average is the more settled of the two.

PV Solar Forecast ships an update every 3 months, ZenTools every 3 weeks. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PV Solar Forecast | ZenTools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (43 ratings)](https://appshunter.io/ios/app/pv-solar-forecast/id1496274910/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zentools/id6503634903/reviews)** |
| Number of ratings | **43** | 1 |
| Positive reviews | 21.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 24 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [Zendure USA INC](https://appshunter.io/developer/1592645040) |

## 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 |


### ZenTools

[App page](https://appshunter.io/ios/app/zentools/id6503634903)

This industrial productivity app streamlines factory operations and maximizes output for authorized users. It's designed to enhance efficiency and unlock the full potential of manufacturing processes.

**Highlights:** Streamline operations, Maximize output, Enhance efficiency, Empower authorized users, Industrial settings focus

**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 ZenTools free?

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

### Which has better reviews, PV Solar Forecast or ZenTools?

ZenTools is rated higher. PV Solar Forecast averages 4.0 out of 5 from 43 ratings, while ZenTools averages 5.0 from 1 ratings.

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

PV Solar Forecast shows ads; ZenTools does not.

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

PV Solar Forecast ships an update every 3 months, and ZenTools every 3 weeks. Most recently, PV Solar Forecast was updated on October 25, 2026 and ZenTools on October 15, 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.*