Comparison

Business24 Authenticator vs AIB Authenticator

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

Head to head
About

Business24 Authenticator

Features
Read full description

The Business24 Authenticator app provides a secure method of authentication for Business24 banking in order to further protect you against fraud and keep you safe online. The Business24 Authenticator app allows you to complete authentication by sending a push notification to your registered device (Smartphone or Tablet) for certain online processes. If you’re a permanent tsb customer who’s registered for Business24 Online Banking you can download the app and register your device which will link your permanent tsb customer profile to your device which will then be used to provide authentication where necessary. It’s important to note that our Business24 Authenticator app is for authentication purposes only, as an additional security enhancement. It cannot be used for other day to day banking purposes such as viewing your balance or to make payments. Accessing the app: • To log in to the Business24 Authenticator app you’ll need to be a permanent tsb customer who is registered for Business24 Online Banking. To register for Business24 Online Banking call us now on 1890 500 177 or +353 1 215 1363. • Once logged in you will be prompted to register your device which will link your permanent tsb customer profile to your device. • To complete registration you’ll need to enter a security code which you’ll receive via SMS to your registered mobile phone number. The following country codes are excluded from this service +53 Cuba, +98 Iran, +964 Iraq, +95 Myanmar, +963 Syria, +249 Sudan, +850 North Korea. If you are not receiving your code, or to register or change your mobile number, call us now on 0818 50 24 24 or +353 1 212 4101. Terms and conditions apply. Find out more at permanenttsb.ie/mobile Permanent TSB plc trading as PTSB and PTSB Asset Finance is regulated by the Central Bank of Ireland. Permanent TSB plc is a public limited company incorporated in Ireland. Registered number: 222332. Registered Office: 56-59 St. Stephen’s Green, Dublin 2, D02 H489, Ireland. Permanent TSB plc is tied to Irish Life Assurance plc for life and pensions products. Irish Life Assurance plc is regulated by the Central Bank of Ireland.

About

AIB Authenticator

Enhance your account security with two-factor authentication. This app provides an extra layer of protection for logging in and authorizing important transactions. Easily manage your digital profile and authenticate online purchases for added peace of mind.

Highlights
  • Two-factor authentication (2FA)
  • Approve or deny push notifications
  • Manage Digital Profile
  • Set up or reset digital password
  • Authenticate online purchases
Read full description

The AIB Authenticator App enables 2FA (second factor authentication) for your AIB account. The App provides an additional layer of security which will allow you to log in or authenticate critical transactions on your account. Once you are set up you simply have to enter your password, and then approve or deny the push notification sent to your phone. Enrolment is easy. Once you download the app follow the steps to register your device. As part of enrolment you may be asked to create a Digital Profile. Your Digital Profile is a representation of identity information and security credentials which will allow us to uniquely identify you so you enjoy our services more securely. Services Available • Manage your Digital Profile • Set up or reset your Digital password • Business cardholders can authenticate online purchases for Debit or Credit card transactions.

Screenshots

Business24 Authenticator4 screens
AIB Authenticator4 screens

Verdict

The call

The clearest difference is update cadence: AIB Authenticator at every 3 months against Business24 Authenticator's every 8 months. Business24 Authenticator's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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.

UpkeepUpdate frequency

Business24 Authenticator ships an update every 8 months, AIB Authenticator every 3 months. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Business24 Authenticator versus AIB Authenticator: the parameters behind the verdict, then further details
ParameterBusiness24 AuthenticatorAIB Authenticator
PriceFreeFree
Rating—1.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size124 MB40 MB
Age rating4+4+
Developerpermanent tsbAllied Irish Banks, p.l.c.

In-app purchases

None

Business24 Authenticator

No in-app purchases

None

AIB Authenticator

No in-app purchases

Questions

Is Business24 Authenticator free?
Business24 Authenticator is free to download, with no in-app purchases.
Is AIB Authenticator free?
AIB Authenticator is free to download, with no in-app purchases.
Do Business24 Authenticator or AIB Authenticator have ads?
Neither Business24 Authenticator nor AIB Authenticator shows ads.
Which is updated more often, Business24 Authenticator or AIB Authenticator?
Business24 Authenticator ships an update every 8 months, and AIB Authenticator every 3 months. Most recently, Business24 Authenticator was updated on September 27, 2026 and AIB Authenticator on October 6, 2026.

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