BAS vs Plus4U Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BAS
This utility app allows for the configuration of BAS-IP built-in and desktop readers with BLE modules. It enables adjustment of card operation modes, encryption settings, and audible confirmations for mobile identifier connections.
- Configure BLE readers
- Adjust card operation modes (EM-Marine, MIFARE, BLE)
- Set BLE ID encryption
- Configure MIFARE card encryption and diversification
- Set audible confirmation for mobile identifiers
- Configure reader operating modes (Door, Touch, Gate/Barrier)
- Save and upload reader configuration files
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BAS-IP UKEY Config is an application for setting the parameters of the BAS-IP built-in readers with the built-in BLE (Bluetooth Low Energy) module, as well as individual BAS-IP UKEY desktop and wall readers with the built-in BLE module. Application features: · Adjustment of EM-Marine, MIFARE and BLE card operation modes - enabling and disabling of reading standards. · Setting the encryption for the BLE ID. This will make it possible to bind the identifiers encrypted key to the selected reader. · Enabling or disabling encryption modes for MIFARE Classic and MIFARE Plus cards. · Enabling diversification for MIFARE Classic and MIFARE Plus cards. · Configuring the audible confirmation when connecting mobile identifiers to the reader in standby and reading modes. · Setting the operating modes: Door, Touch, Gate/Barrier. · Setting the adjustable distance for the "Gate/Barrier" operating mode. · With the TR-03 reader, the configurator allows you to record MIFARE Classic and MIFARE Plus encryption cards. · Ability to save a file with settings for the specific reader. · Ability to upload a configuration file with settings to restore the reader parameters and for copying settings to other readers.
Plus4U Key
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Plus4U Key enables secure and convenient login to the Plus4U system
Screenshots
Verdict
BAS and Plus4U Key are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
BAS ships an update every 9 months, Plus4U Key every 6 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | BAS | Plus4U Key |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 18 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | BAS-IP LP | Plus4U Net a.s. |
In-app purchases
BAS
No in-app purchases
Plus4U Key
No in-app purchases









