# U.V.S.V. / N.V.V.S.U. vs Blybahn

The clearest difference is in-app purchases: U.V.S.V. / N.V.V.S.U. at none against Blybahn's 6. Blybahn's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Blybahn sells 6 one-off in-app purchases. U.V.S.V. / N.V.V.S.U. asks for nothing beyond the download.

U.V.S.V. / N.V.V.S.U. ships an update every 3 months, Blybahn every 2 weeks. Both last shipped on October 18, 2026.

## The numbers

| Metric | U.V.S.V. / N.V.V.S.U. | Blybahn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 49 MB | 77 MB |
| Requires iOS | **15.0** | 15.3 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Youmie B.V.](https://appshunter.io/developer/6822205477) | [Zooma B.V.](https://appshunter.io/developer/418861795) |

## What reviewers say

### U.V.S.V. / N.V.V.S.U.

[App page](https://appshunter.io/ios/app/uvsv-nvvsu/id6446118113)

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

**In-app purchases:** none


### Blybahn

[App page](https://appshunter.io/ios/app/blybahn/id6745085451)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 diamonds | $1.00 | one-time |
| 50 diamonds | $3.99 | one-time |
| 100 diamonds | $8.99 | one-time |
| 250 diamonds | $22.99 | one-time |
| 500 diamonds | $44.99 | one-time |
| 1000 diamonds | $89.99 | one-time |


## Frequently asked questions

### Is U.V.S.V. / N.V.V.S.U. free?

U.V.S.V. / N.V.V.S.U. is free to download, with no in-app purchases.

### Is Blybahn free?

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

### Do U.V.S.V. / N.V.V.S.U. or Blybahn have ads?

Neither U.V.S.V. / N.V.V.S.U. nor Blybahn shows ads.

### Which is updated more often, U.V.S.V. / N.V.V.S.U. or Blybahn?

U.V.S.V. / N.V.V.S.U. ships an update every 3 months, and Blybahn every 2 weeks. Most recently, U.V.S.V. / N.V.V.S.U. was updated on October 18, 2026 and Blybahn on October 18, 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.*