# 2N® Mobile Key vs SmartFlyer CORE

The clearest difference is update cadence: 2N® Mobile Key at every 3 months against SmartFlyer CORE's every 12 months. SmartFlyer CORE's advantage is iOS requirement (10.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

2N® Mobile Key ships an update every 3 months, SmartFlyer CORE every 12 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 2N® Mobile Key | SmartFlyer CORE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (37 ratings)](https://appshunter.io/ios/app/2n-mobile-key/id1121287110/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 12 months |
| Monetization | Free | — |
| Size | 19 MB | 15 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [2N TELEKOMUNIKACE a.s.](https://appshunter.io/developer/656246734) | [THE SMART FLYER INC](https://appshunter.io/developer/1314979853) |

## What reviewers say

### 2N® Mobile Key

[App page](https://appshunter.io/ios/app/2n-mobile-key/id1121287110)

Transform your mobile phone into a secure digital key for your doors. This app utilizes advanced WaveKey technology for instant, reliable, and secure access. Choose from multiple convenient operation modes for seamless entry.

**Highlights:** Mobile phone as access credential, Patented WaveKey technology, AES encryption, NFC door unlocking, Multiple operation modes (Touch, Tap, Card, Motion), Unlimited free credentials, Time-limited access

**In-app purchases:** none


### SmartFlyer CORE

[App page](https://appshunter.io/ios/app/smartflyer-core/id6474574238)

**In-app purchases:** none


## Frequently asked questions

### Is 2N® Mobile Key free?

2N® Mobile Key is free to download, with no in-app purchases.

### Is SmartFlyer CORE free?

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

### Do 2N® Mobile Key or SmartFlyer CORE have ads?

Neither 2N® Mobile Key nor SmartFlyer CORE shows ads.

### Which is updated more often, 2N® Mobile Key or SmartFlyer CORE?

2N® Mobile Key ships an update every 3 months, and SmartFlyer CORE every 12 months. Most recently, 2N® Mobile Key was updated on September 22, 2026 and SmartFlyer CORE on September 10, 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.*