What is the HMRC app?

For anyone who wants to check or manage their tax, National Insurance or Child Benefit on a phone.

Applies to: England, Scotland, Wales, Northern Ireland Last checked against official sources: 6 October 2026

The HMRC app is the official app from HM Revenue and Customs for managing your tax and some benefits on your phone.

It is available on iOS and Android, from the Apple App Store and Google Play.
You sign in with your HMRC online services details, or create new ones in the app.
After that, you can use a 6-digit PIN, fingerprint or face recognition.
You can check your tax code, National Insurance number, Self Assessment and State Pension.
You can also claim refunds, make payments and apply for Child Benefit.

Key facts

Official app for iOS and Android
Sign in with HMRC online details
PIN, fingerprint or face ID
Tax code, NI number, refunds

What the HMRC app is

The HMRC app is the official app from HM Revenue and Customs, the UK tax office. It lets you check and manage much of your tax on your phone, instead of signing in on a computer.

It works on iPhones (iOS) and Android phones. You get it from the Apple App Store or Google Play.

What you can do in the app

Your tax and National Insurance

check your tax code
find your National Insurance number
see your employment history
check gaps in your National Insurance record and pay to fill them
estimate your take-home pay with the tax calculator
claim a tax refund

Self Assessment

see your Self Assessment reference (UTR) and how much tax you owe
make payments and set payment reminders
tell HMRC if you do not need to send a tax return

Benefits and savings

check your State Pension summary
apply for and manage Child Benefit
check if you can get Help to Save, and manage your account

Your details

update your name or address
choose how HMRC contacts you
track forms and letters you have sent to HMRC

How to sign in

Download the HMRC app from your phone's app store.
Sign in with the details you use for HMRC online services. This is either a Government Gateway user ID and password, or GOV.UK One Login (email address and password).
If you do not have sign-in details, you can create new ones in the app.
After setting up, you can open the app with a 6-digit PIN, your fingerprint or face recognition.

Things to know

Same app across the UK. It covers people in England, Scotland, Wales and Northern Ireland. Your tax code will start with S if you pay Scottish Income Tax, or C if you pay Welsh rates.
Accessibility. HMRC publishes separate accessibility statements for the iOS and Android apps, explaining how they work with screen readers and other tools.
Privacy. You can read the HMRC app privacy notice to see how your data is used.

Related guides

Where this comes from

Get it done

This takes you to the official service, which is free to use.

Download the HMRC app

Common questions

Can I find my National Insurance number in the HMRC app?

Yes. The app shows your National Insurance number as well as your tax code.

Can I do my Self Assessment in the HMRC app?

The app lets you see your Self Assessment reference and how much you owe, make payments and tell HMRC if you do not need to send a return.

Official sources

1.Download the HMRC app (GOV.UK)www.gov.uk/guidance/download-the-hmrc-app
2.Sign in to HMRC online services (GOV.UK)www.gov.uk/log-in-register-hmrc-online-services

Checked against GOV.UK on 6 October 2026

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