Comparison

BAS vs Plus4U Key

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Read full description

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.

About

Plus4U Key

Features
Read full description

Plus4U Key enables secure and convenient login to the Plus4U system

Screenshots

BAS3 screens
Plus4U Key3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

ScorecardNo meaningful differences
BAS versus Plus4U Key: the parameters behind the verdict, then further details
ParameterBASPlus4U Key
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings1 — better—
Update frequencyEvery 9 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size18 MB87 MB
Age rating4+4+
DeveloperBAS-IP LPPlus4U Net a.s.

In-app purchases

None

BAS

No in-app purchases

None

Plus4U Key

No in-app purchases

Questions

Is BAS free?
BAS is free to download, with no in-app purchases.
Is Plus4U Key free?
Plus4U Key is free to download, with no in-app purchases.
Do BAS or Plus4U Key have ads?
Neither BAS nor Plus4U Key shows ads.
Which is updated more often, BAS or Plus4U Key?
BAS ships an update every 9 months, and Plus4U Key every 6 months. Most recently, BAS was updated on June 1, 2026 and Plus4U Key on September 9, 2026.

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