# EVVA AirKey vs Second Nature

The clearest difference is price: EVVA AirKey at Free against Second Nature's $4.99. EVVA AirKey also leads on iOS requirement (14.0 vs 17.6). Second Nature's advantage is chart position (#192 vs unranked). On ads, in-app purchases and device support there is nothing between them.

EVVA AirKey is free to download; Second Nature costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | EVVA AirKey | Second Nature |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/evva-airkey/id1167529896/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 36.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Best chart rank | — | **#192** |
| Size | 13 MB | 4 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EVVA Sicherheitstechnologie GmbH](https://appshunter.io/developer/1167529892) | [Jay Jennings](https://appshunter.io/developer/304059765) |

## What reviewers say

### EVVA AirKey

[App page](https://appshunter.io/ios/app/evva-airkey/id1167529896)

This app transforms your smartphone into a digital key, allowing you to securely send and manage access to properties and company doors. It offers features like geo-tagging for navigation and multi-administration for managing multiple sites and users.

**Highlights:** Smartphone as a key, Secure key sharing, Online access management, Geo-tagging for navigation, Multi-site administration, Office mode automation, REST API integration

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

**In-app purchases:** none


### Second Nature

[App page](https://appshunter.io/ios/app/second-nature/id6759306578)

**Currently charting:** #192 Top Paid · Utilities (US App Store)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EVVA AirKey free?

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

### Is Second Nature free?

Second Nature costs $4.99, with no in-app purchases.

### Do EVVA AirKey or Second Nature have ads?

Neither EVVA AirKey nor Second Nature 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.*