Comparison

CA4K vs BAS

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

Head to head
About

CA4K

This app provides mobile access control for enterprise entry points like doors and elevators. Users can customize their approved access points and gain entry without physical credentials. It also offers optional administrator functions for system management.

Highlights
  • Mobile access to doors and elevators
  • Customize approved entry points
  • Log access without physical credentials
  • Administrator functions for system management
  • Enterprise electronic access control
Features
Read full description

CA4K Access MGR APP The CA4K Access App is designed to work with Continental Access CA4K Software v1.1 or higher. The software and its associated hardware provide enterprise electronic access control to doors, elevators and other entry ways. The App allows smart mobile users to customize a list of their approved entry points in the "My Doors" tab and gain logged access to the entry points without having to use a physically supplied credential. Additionally, the App provides some optional CA4K administrator level functions for mobile control and management of the CA4K system. The CA4K Access App is an ideal tool for Schools, Universities, Hospitals, Commercial Buildings, Multi-Tenant Residential Buildings, etc.

About

BAS

Manage your building access remotely. Receive video calls from intercom panels, unlock doors via Bluetooth, call elevators, and issue guest passes with QR codes or access links. Supports multiple properties and family member invitations.

Highlights
  • Receive video calls from outdoor panels
  • Unlock doors via Bluetooth
  • Call elevators
  • Issue guest passes (QR codes, access codes, links)
  • Add multiple properties
  • Invite family members
  • Access call archive
Features
Read full description

BAS-IP Link is an application allows you to receive video calls from BAS-IP outdoor panels and monitors to your mobile device, open a lock via Bluetooth, call an elevator, and create guest passes. The application requires the use of the Link server. Functions: - Support for VoIP/push notifications for incoming calls - Video support before answer (assuming push notifications are used) - Possibility of registration/authorization on different Link servers - Ability to add multiple properties - Ability to issue guest passes - QR codes, access codes and links - Ability to call the elevator (assuming EVRC-IP module is used) - Opening the lock using UKEY technology (UKEY identifier required) - Access to call archive - Invite family members

Screenshots

CA4K4 screens
BAS4 screens

Verdict

The call

The clearest difference is rating: BAS at 5.0 against CA4K's 1.1. BAS also leads on review sentiment (42% vs 0%) and update cadence (every 6 weeks vs every 54 months). CA4K's advantage is ratings volume (10 vs 3) and iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

BAS holds the better App Store score, 5.0 against 1.1. Both are backed by a comparable volume of ratings — 10 and 3 respectively. Written reviews point the same way: 0% of CA4K's written reviews are positive against 42% of BAS's.

UpkeepUpdate frequency

CA4K ships an update every 54 months, BAS every 6 weeks. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

Scorecard5 real differences · 5 level
CA4K versus BAS: the parameters behind the verdict, then further details
ParameterCA4KBAS
PriceFreeFree
Rating1.1 (10 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews41.7% of reviews — better
Number of ratings10 — better3
Update frequencyEvery 54 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS11.0 — better17.0
Further details — not scored
Size0 MB63 MB
Age rating4+4+
DeveloperNAPCO Security TechnologiesBAS-IP LP

Customer experience

CA4K

All ratings10 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

BAS

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive41.7%
Neutral8.3%
Negative50.0%

In-app purchases

None

CA4K

No in-app purchases

None

BAS

No in-app purchases

Questions

Is CA4K free?
CA4K is free to download, with no in-app purchases.
Is BAS free?
BAS is free to download, with no in-app purchases.
Which has better reviews, CA4K or BAS?
BAS is rated higher. CA4K averages 1.1 out of 5 from 10 ratings, while BAS averages 5.0 from 3 ratings.
Do CA4K or BAS have ads?
Neither CA4K nor BAS shows ads.
Which is updated more often, CA4K or BAS?
CA4K ships an update every 54 months, and BAS every 6 weeks. Most recently, CA4K was updated on September 22, 2026 and BAS on September 16, 2026.

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