# Dražice Solar vs Wattsonic Cloud

The clearest difference is iOS requirement: Dražice Solar at 12.0 against Wattsonic Cloud's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Dražice Solar ships an update every 3 months, Wattsonic Cloud every 2 months. The most recent releases landed on September 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Dražice Solar | Wattsonic Cloud |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 355 MB | 181 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Druzstevni zavody Drazice - strojirna s.r.o.](https://appshunter.io/developer/1036169061) | [旭浦能源](https://appshunter.io/developer/1475609563) |

## What reviewers say

### Dražice Solar

[App page](https://appshunter.io/ios/app/drazice-solar/id1622797391)

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

**In-app purchases:** none


### Wattsonic Cloud

[App page](https://appshunter.io/ios/app/wattsonic-cloud/id6444325916)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dražice Solar free?

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

### Is Wattsonic Cloud free?

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

### Do Dražice Solar or Wattsonic Cloud have ads?

Neither Dražice Solar nor Wattsonic Cloud shows ads.

### Which is updated more often, Dražice Solar or Wattsonic Cloud?

Dražice Solar ships an update every 3 months, and Wattsonic Cloud every 2 months. Most recently, Dražice Solar was updated on September 27, 2026 and Wattsonic Cloud on October 13, 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.*