# Webuni vs PSM

The clearest difference is in-app purchases: Webuni at none against PSM's 4. Webuni also leads on iOS requirement (9.0 vs 15.0). PSM's advantage is update cadence (every 6 weeks vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. PSM sells 4 in-app purchases, starting at $9.99 per month. Webuni asks for nothing beyond the download.

Webuni ships an update every 12 months, PSM every 6 weeks. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Webuni | PSM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Size | 48 MB | 82 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Innostart Informatikai Fejleszto KFT](https://appshunter.io/developer/929264254) | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) |

## What reviewers say

### Webuni

[App page](https://appshunter.io/ios/app/webuni/id959435898)

**In-app purchases:** none


### PSM

[App page](https://appshunter.io/ios/app/psm-ii-exam-pass/id6747276639)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month | $9.99 | per month |
| Premium 3 Months | $19.99 | per 3 months |
| Premium 6 Months | $34.99 | per 6 months |
| Premium 12 Months | $59.99 | per year |


## Frequently asked questions

### Is Webuni free?

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

### Is PSM free?

PSM is free to download, with in-app purchases available.

### Do Webuni or PSM have ads?

Neither Webuni nor PSM shows ads.

### Which is updated more often, Webuni or PSM?

Webuni ships an update every 12 months, and PSM every 6 weeks. Most recently, Webuni was updated on October 3, 2026 and PSM 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.*