# Hardness Conversion Master vs Virtuino Cloud

The clearest difference is in-app purchases: Virtuino Cloud at none against Hardness Conversion Master's 1. Virtuino Cloud also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Hardness Conversion Master sells 1 one-off in-app purchase. Virtuino Cloud asks for nothing beyond the download.

## The numbers

| Metric | Hardness Conversion Master | Virtuino Cloud |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Size | 259 MB | 19 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [POYU WANG](https://appshunter.io/developer/1883764660) | [Ilias Lamprou](https://appshunter.io/developer/1624114500) |

## What reviewers say

### Hardness Conversion Master

[App page](https://appshunter.io/ios/app/hardness-conversion-master/id6760411989)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $1.99 | one-time |


### Virtuino Cloud

[App page](https://appshunter.io/ios/app/virtuino-cloud/id6787656803)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hardness Conversion Master free?

Hardness Conversion Master is free to download, with in-app purchases available.

### Is Virtuino Cloud free?

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

### Do Hardness Conversion Master or Virtuino Cloud have ads?

Hardness Conversion Master shows ads; Virtuino Cloud does not.

---

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