How to approve payments using the 3S Money app

Do you use Duo app when accessing 3S Money account?

We’re phasing out the use of our partner application, Duo, and we advise all clients to switch to the 3S Money app as soon as possible. The 3S Money app can now handle two-factor authentication (2FA), making it faster and more convenient to approve payments and manage your account on the go.


If you have trouble logging in?


If you use 3S Money mobile app to authorise login and transactions:


If you use Duo mobile app to authorise login and transactions:

  • Have you replaced or reinstalled your phone?

    • Contact your Relationship Manager for instructions

  • Have you not used your account in the past 12 months?

    • Lilkey your account is deactivated. Contact your Relationship Manager for instructions



How to switch from Duo to the 3S Money app?


1. Install or update your 3S Money App






2. Log in to your account


Open the app and sign in using your existing credentials.

3. Confirm your trusted device

Once logged in, follow the on-screen instructions to set your phone as a Trusted Device.


4. Confirm the change using Duo


Once logged in, follow the on-screen instructions to set your phone as a Trusted Device.

5. You're all set!


You can now manage your account directly within 3S Money and approve payments with a single notification tap.

Can I delete the Duo app after I’ve switched to the 3S Money app?

We advise you to send and approve a payment using your app, before deleting Duo, to ensure that the migration has been successful.

What happens if I lose or replace my Trusted Device?

If you need to change the trusted device registered to your 3S Money account, please complete this form, and we will contact you with instructions. Please be advised that you will need to complete identity verification to set up and approve a new trusted device.


If you have any questions about switching from Duo, using the mobile app or need support with your payment, please get in touch with your Relationship Manager or leave us a message at [email protected].




Need further assistance?

Get in touch to learn more about our services and receive help from our dedicated support team.