E4 Flex vs InstallerCUBE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E4 Flex
This app enables field technicians to connect to and manage E4 Flex readers via Bluetooth Low Energy. It allows for sending commands and receiving responses, facilitating configuration and testing of the readers.
- Connect to E4 Flex readers via BLE
- Send commands to readers
- Receive responses from readers
- Configure E4 Flex readers
- Test E4 Flex readers
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The E4 Flex allows users to find and connect to E4 Flex readers in close proximity using the BLE interface. The user can send commands and receive responses as if they were connected using the typical serial or network connect. This app is a new tool for field technicians to configure and test the E4 Flex Reader.
InstallerCUBE
Configure CDVI CUBEX receivers with this app. Manage transmitters, smartphones, and device settings for seamless integration. Streamline your access control system management.
- Configure CDVI CUBEX receivers
- Manage transmitters
- Manage smartphones
- Manage device settings
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App for the configuration of CDVI CUBEX receivers. Management of transmitters, smartphones and device settings.
Screenshots
Verdict
The clearest difference is update cadence: InstallerCUBE at monthly against E4 Flex's every 21 months. On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for E4 Flex against 5.0 for InstallerCUBE. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
E4 Flex ships an update every 21 months, InstallerCUBE monthly. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.
| Parameter | E4 Flex | InstallerCUBE |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 21 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.1 | 13 — better |
| Further details — not scored | ||
| Size | 1 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Hamel | CDVI Wireless S.p.A. |
Customer experience
E4 Flex
InstallerCUBE
In-app purchases
E4 Flex
No in-app purchases
InstallerCUBE
No in-app purchases
Questions
Is E4 Flex free?
Is InstallerCUBE free?
Which has better reviews, E4 Flex or InstallerCUBE?
Do E4 Flex or InstallerCUBE have ads?
Which is updated more often, E4 Flex or InstallerCUBE?
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