Key vs AVATTO
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.
AVATTO
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AVATTO is an app designed for the control and management of smart devices. This easy-to-use app helps you get smart devices interconnected and brings you comfort and peace of mind. The following advantages take your smart life to the next level: - Easily connect to and control a full range of smart devices and make them function as you wish, anytime you want. - Relax and unwind while the user-friendly app takes care of home automation triggered by all factors such as locations, schedules, weather conditions, and device status. - Intuitively access smart speakers and interact with smart devices under voice control. - Get informed timely without missing a single important event. - Invite family members to your home and make it comfy for everyone. The AVATTO app enhances your home experience in the palm of your hand.
Screenshots
Verdict
The clearest difference is update cadence: AVATTO at fortnightly against Key's every 4 months. AVATTO also leads on iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support 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, AVATTO fortnightly. The most recent releases landed on June 7, 2026 and December 18, 2025 respectively.
| Parameter | Key | AVATTO |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 221 MB |
| Age rating | 4+ | 4+ |
| Developer | Interflex Datensysteme GmbH | MIUC Technology (Shenzhen) Co.,Ltd |
In-app purchases
Key
No in-app purchases
AVATTO
No in-app purchases
