# Heatech vs Solar

The clearest difference is iOS requirement: Heatech at 13.0 against Solar's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Heatech | Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/solar-check/id6815614368/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Monetization | — | Free |
| Size | 20 MB | 8 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [利前 李](https://appshunter.io/developer/1698623411) | [Gerhard Lentschik](https://appshunter.io/developer/629988041) |

## What reviewers say

### Heatech

[App page](https://appshunter.io/ios/app/heatech/id6794987410)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar

[App page](https://appshunter.io/ios/app/solar-check/id6815614368)

Estimate your photovoltaic system's energy output with detailed solar radiation and weather forecasts. Input your system's specifications to receive personalized output calculations and historical data for any location.

**Highlights:** PV output calculation, Historical solar radiation, 7-day solar radiation forecast, System size, orientation, pitch input, Sunshine duration and cloud cover, Hourly solar radiation details

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

**In-app purchases:** none


## Frequently asked questions

### Is Heatech free?

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

### Is Solar free?

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

### Do Heatech or Solar have ads?

Neither Heatech nor Solar shows ads.

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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.*