# Virtual Hydraulic Test Rigs vs VARPLE

The clearest difference is in-app purchases: VARPLE at none against Virtual Hydraulic Test Rigs's 1. Virtual Hydraulic Test Rigs's advantage is iOS requirement (13.2 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Virtual Hydraulic Test Rigs sells 1 one-off in-app purchase. VARPLE asks for nothing beyond the download.

## The numbers

| Metric | Virtual Hydraulic Test Rigs | VARPLE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 11 MB | 311 MB |
| Requires iOS | **13.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gary Molton](https://appshunter.io/developer/1193080103) | [Centre for Learning Sciences and Technologies, The Chinese University of Hong Kong](https://appshunter.io/developer/1594546895) |

## What reviewers say

### Virtual Hydraulic Test Rigs

[App page](https://appshunter.io/ios/app/virtual-hydraulic-test-rigs/id1523830315)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access all virtual test rigs | $7.99 | one-time |


### VARPLE

[App page](https://appshunter.io/ios/app/varple/id6464451025)

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

**In-app purchases:** none


## Frequently asked questions

### Is Virtual Hydraulic Test Rigs free?

Virtual Hydraulic Test Rigs is free to download, with in-app purchases available.

### Is VARPLE free?

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

### Do Virtual Hydraulic Test Rigs or VARPLE have ads?

Neither Virtual Hydraulic Test Rigs nor VARPLE 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.*