# Hét CAVV vs Blybahn

The clearest difference is in-app purchases: Hét CAVV at none against Blybahn's 6. Blybahn's advantage is update cadence (every 2 weeks vs every 6 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. Hét CAVV asks for nothing beyond the download.

Hét CAVV ships an update every 6 months, Blybahn every 2 weeks. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Hét CAVV | Blybahn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 51 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

### Hét CAVV

[App page](https://appshunter.io/ios/app/het-cavv/id6742789480)

**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 Hét CAVV free?

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

### Is Blybahn free?

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

### Do Hét CAVV or Blybahn have ads?

Neither Hét CAVV nor Blybahn shows ads.

### Which is updated more often, Hét CAVV or Blybahn?

Hét CAVV ships an update every 6 months, and Blybahn every 2 weeks. Most recently, Hét CAVV was updated on October 19, 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.*