untied - personal tax app 4+

HMRC tax returns on your phone


Designed for iPhone

    • 4.7 • 95 Ratings
    • Free
    • Offers In-App Purchases

iPhone Screenshots


Prepare and send your tax return to HMRC from your phone. No fiddly calculations. No complicated forms. We take care of all of that.

untied is an HMRC recognised app that helps you prepare and file your self assessment tax return from your phone, tablet or web browser. (https://www.untied.io)

untied is the best app for sole traders, freelancers, digital platform workers, landlords and anyone else who wants to save money on submitting their self assessment tax returns.

untied links your bank accounts, tracks your income, expenses and mileage, learns about you and your business as the year progresses and allows you to submit your tax return directly from the app to HMRC in minutes.

Insights identify the right tax savings for you, and real time tax calculations ensure you know how your business is doing and what your tax bill will be.

Supported income streams include:
- Self-employment income under £85k;
- Property income under £85k;
- PAYE salary income;
- Dividend Income;
- Bank interest.

- Quickly find and tag transactions
- Log car and bike mileage
- Real time tax calculation
- Insights
- Set up rules to automate your income and expense tagging
- Unlimited bank accounts (majority of UK banks supported)
- Send invoices and request payments from your customers
- Submit tax return directly to HMRC
- Calculates Student Loan Repayments
- Works for tax payers in England, Wales, Northern Ireland & Scotland (includes Scottish tax bands).
- Also supports non-UK residents, non-UK domiciles and remittance basis (via form SA109)
- Supports capital gains (SA108)
- Support for EIS/SEIS tax relief (SA101)
- Also available in your browser on desktop or mobile

* Currently available free for 30 days. Test submissions are available during the trial period. For live submissions and to continue using the app after the 30 day trial period purchase a subscription for £9.99/month or £99.99/year via in-app purchase. See app (More screen) or website for latest features.

Terms of Service:

Privacy Policy:

untied is recognised by HMRC, supervised by the Chartered Institute of Taxation and a registered account information services provider regulated by the FCA (FRN 910169). untied is a registered trademark © 2019-2024 - UT Tax Ltd

What’s New

Version 1.06.012

Minor fixes

Ratings and Reviews

4.7 out of 5
95 Ratings

95 Ratings


Easy and quick tax return

Submitted my tax return in no time at all. I like how I can just use my accounts to do it myself and it logs all my journeys. Had a question too and they answered it really quickly.

Smarty Senorita ,

Amazing app to do a tax return

Very easy to use, less stressful than submitting a tax return through the government website and fast support! Highly recommend

van juicy ,

Life saver for side hustlers

I came across this app through Deliveroo perks and done my tax return. Excellent service and easy to set up!

App Privacy

The developer, untied, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More

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