NBG Authenticator

Name: NBG Authenticator
Availability: InStock
Rating: 1.9500000476837158 (2667 reviews)
Author: National Bank of Greece S.A.

National Bank of Greece S.A.

2.0

2.67K reviews

100K+

Downloads

Everyone

About this app

Discover a new secure way to shop online using your NBG cards!

Now you can approve your online purchases with your cards using the new NBG Authenticator app.

NBG Authenticator provides enhanced payment authentication when you make online purchases, in line with the latest EU security regulations.

How it works:
• sign in to the app by activating your PIN or fingerprint
• register your NBG cards
• each time you buy something from an e-shop with your cards, you’ll automatically receive a push notification to login to the app and approve or decline the purchase

Updated on

Jul 7, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.

This app may share these data types with third parties

App info and performance

This app may collect these data types

Financial info, App info and performance, and Device or other IDs

Data is encrypted in transit

You can request that data be deleted

Ratings and reviews

2.0

2.58K reviews

Petros Moustardas

April 10, 2021

How about making sure your new OTP options work reliably before making them mandatory and disabling the old ones? Tried to do a card transaction (pay a bill) and was redirected to a page requesting to download the app. Installed, but app fails to load. I get a push notification for approval on my phone that opens the ibank app but nothing happens there either, no options to approve. Failed to pay, the bill expired and I had to use the desktop website on PC next day to complete payment. Awfull!

24 people found this review helpful

National Bank of Greece S.A.

August 12, 2021

Παρακαλούμε κατεβάστε το τελευταίο update που διαθέτει την δυνατότητα έγκρισης των συναλλαγών μέσω του PIN της συσκευής σας και δέχεται όλες τις κάρτες. Πληροφορίες για την μέθοδο της “Ισχυρής Ταυτοποίησης Πελάτη” και τους εναλλακτικούς τρόπους έγκρισης συναλλαγών: https://www.nbg.gr/el/transaction-security/synallages-sto-diaduktio-me-karta

Nikolaos Tsoureas

July 5, 2025

It was working fine, and the last few days it just stopped. When needing to authorise an online payment, after fingerprint authentication, the app comes up with an error that there is a problem and to try later. Same happened to my spouse on a different smartphone (albeit both Samsungs). The helpline was not very helpful, or maybe they don't know that there is a problem with it. At the moment I cannot purchase anything online.

3 people found this review helpful

Dorothea Favva

September 28, 2021

Too much time consuming just to do an online payment. I don't understand why the device's pin should be used(how secure is it?). There should be an option to select the way of payment (via OTP or this app). Also, adding another app when already having nbg i-bank and i-bank pay is not what i want. Maybe it should be added as an extra functionality in one of the other two apps as well.

13 people found this review helpful

National Bank of Greece S.A.

September 28, 2021

Device PIN is used for login the app, it is used as alternative of biometrics login. You can always approve your e commerce transactions via mobile and internet banking also.