# DSI vs WvF

The clearest difference is device support: DSI at 3 against WvF's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | DSI | WvF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 13 months | — |
| Size | 33 MB | 33 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Dr.-Ing. Schmolke Immobilien GmbH](https://appshunter.io/developer/1736605035) | [Sven Flasnoecker](https://appshunter.io/developer/1727362882) |

## What reviewers say

### DSI

[App page](https://appshunter.io/ios/app/dsi/id1489334529)

**Features:** macOS Compatibility

**In-app purchases:** none


### WvF

[App page](https://appshunter.io/ios/app/wvf/id6476620805)

**In-app purchases:** none


## Frequently asked questions

### Is DSI free?

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

### Is WvF free?

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

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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.*