# feiffer LMS vs Vectron Documentation (VASD)

The clearest difference is device support: feiffer LMS at 3 against Vectron Documentation (VASD)'s —. feiffer LMS also leads on iOS requirement (12.2 vs 15.0). On price and in-app purchases 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 | feiffer LMS | Vectron Documentation (VASD) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Size | 73 MB | 37 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Andrea Feiffer](https://appshunter.io/developer/875043798) | [Siemens AG](https://appshunter.io/developer/394503271) |

## What reviewers say

### feiffer LMS

[App page](https://appshunter.io/ios/app/feiffer-lms/id1399110198)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vectron Documentation (VASD)

[App page](https://appshunter.io/ios/app/vectron-documentation-vasd/id1616816899)

**In-app purchases:** none


## Frequently asked questions

### Is feiffer LMS free?

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

### Is Vectron Documentation (VASD) free?

Vectron Documentation (VASD) 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.*