Key vs eyeLock Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Key
Transform your iPhone into a mobile ID card for convenient door access. Securely register your credentials and use your phone to open doors, leveraging advanced encrypted transfer technology.
- Smartphone as mobile ID
- Convenient door opening
- Secure credential transfer
- iPhone integration
- Requires Interflex software
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Your smartphone as a mobile ID card: With the Interflex app "Key", you can conveniently open doors with your iPhone. This is how "Key" works: - Install the app on your iPhone. - Register the app with your access data. - Book with your iPhone to open doors. Thanks to "NetworkOnMobile" technology, we ensure encrypted and secure transfer of the mobile credential to your iPhone. Important: The use of this app requires the use of the Interflex software IF-6040 and suitable badge readers.
eyeLock Mobile
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The eyeLock app transmits your generated eyeLock iris template to eyeLock iris scanners via bluetooth BLE signal. Scan your provided iris templates with eyeLock provided QR codes. When the eyeLock app is in scanning mode, your iris template will be transmitted to the eyeLock scanner as you approach the access point, allowing you to authenticate with your eyes as you reach the door. With the eyeLock app, your iris template data stays with you wherever you go.
Screenshots
Verdict
The clearest difference is iOS requirement: eyeLock Mobile at 15.1 against Key's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Key ships an update every 4 months, eyeLock Mobile every 3 months. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.
| Parameter | Key | eyeLock Mobile |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 18 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Interflex Datensysteme GmbH | Biocenturion, LLC |
In-app purchases
Key
No in-app purchases
eyeLock Mobile
No in-app purchases
