Business24 Authenticator vs AIB Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Business24 Authenticator
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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.
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.
- Two-factor authentication (2FA)
- Approve or deny push notifications
- Manage Digital Profile
- Set up or reset digital password
- Authenticate online purchases
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Business24 Authenticator | AIB Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 124 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | permanent tsb | Allied Irish Banks, p.l.c. |
In-app purchases
Business24 Authenticator
No in-app purchases
AIB Authenticator
No in-app purchases
Questions
Is Business24 Authenticator free?
Is AIB Authenticator free?
Do Business24 Authenticator or AIB Authenticator have ads?
Which is updated more often, Business24 Authenticator or AIB Authenticator?
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