# LEHMANN Config vs Austa Smart

The clearest difference is device support: Austa Smart at 3 against LEHMANN Config's 1. Austa Smart also leads on iOS requirement (12.0 vs 18.6). On price, ads 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 | LEHMANN Config | Austa Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | — |
| Size | 4 MB | 28 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Lehmann Vertriebsges. mbH & Co. KG](https://appshunter.io/developer/980603055) | [Ningbo Osda Solar Co., Ltd.](https://appshunter.io/developer/1696929762) |

## What reviewers say

### LEHMANN Config

[App page](https://appshunter.io/ios/app/lehmann-config/id6449590739)

**In-app purchases:** none


### Austa Smart

[App page](https://appshunter.io/ios/app/austa-smart/id6743460819)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LEHMANN Config free?

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

### Is Austa Smart free?

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

### Do LEHMANN Config or Austa Smart have ads?

Neither LEHMANN Config nor Austa Smart shows ads.

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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.*