# WRK | World Knowledge vs Learn VMware vSphere Test

The clearest difference is in-app purchases: WRK | World Knowledge at none against Learn VMware vSphere Test's 2. WRK | World Knowledge also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.2). Learn VMware vSphere Test's advantage is update cadence (every 3 months vs every 26 months). On price and ads there is nothing between them.

Both are free to download. Learn VMware vSphere Test sells 2 in-app purchases, starting at $11.99 per month. WRK | World Knowledge asks for nothing beyond the download.

WRK | World Knowledge ships an update every 26 months, Learn VMware vSphere Test every 3 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | WRK | World Knowledge | Learn VMware vSphere Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 months** |
| Size | 478 MB | 9 MB |
| Requires iOS | **14.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Ilonka Rebergen](https://appshunter.io/developer/1703726435) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### WRK | World Knowledge

[App page](https://appshunter.io/ios/app/wrk-world-knowledge/id6462980820)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Learn VMware vSphere Test

[App page](https://appshunter.io/ios/app/learn-vmware-vsphere-test/id6740604528)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $11.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is WRK | World Knowledge free?

WRK | World Knowledge is free to download, with no in-app purchases.

### Is Learn VMware vSphere Test free?

Learn VMware vSphere Test is free to download, with in-app purchases available.

### Do WRK | World Knowledge or Learn VMware vSphere Test have ads?

Neither WRK | World Knowledge nor Learn VMware vSphere Test shows ads.

### Which is updated more often, WRK | World Knowledge or Learn VMware vSphere Test?

WRK | World Knowledge ships an update every 26 months, and Learn VMware vSphere Test every 3 months. Most recently, WRK | World Knowledge was updated on October 7, 2026 and Learn VMware vSphere Test on October 10, 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.*