TaxHeaven vs untied
Both are guided tax filer tools for Making Tax Digital for Income Tax.
TaxHeaven is the cheaper starting point at £0 (VAT included) versus from £129.99/yr for untied — but the cheapest plan only wins if it covers the income types you actually have.
| TaxHeaven | untied | |
|---|---|---|
| True annual cost from | £0 | from £129.99/yr |
| Self-employment | Yes | Yes |
| Property / rent | Yes | Yes |
| Keeps your spreadsheet | No | No |
| Accountant access | No | No |
| Type | guided tax filer | guided tax filer |
| HMRC status | Recognised | Recognised |
| Price verified | 2026-07-06 | 2026-07-06 |
TaxHeaven
An automation-first tax app for freelancers and landlords with a genuinely free MTD plan — bank import, AI-assisted categorisation and pre-filled returns, covering self-employment, UK and foreign property, and CIS.
- Freelancers who want automation for £0
- CIS subcontractors and landlords with foreign property
untied
The UK's original MTD-recognised personal tax app: a mobile-first way for the self-employed and landlords to tag income and file. The Pro plan adds full Making Tax Digital for Income Tax.
- People who want a mobile-first personal tax app
- Self-employed and landlords who want guided, app-led filing
Not sure either is right? Use the finder to get a recommendation ranked by what it will actually cost you.
Prices are each tool's cheapest plan, VAT included, last verified 6 July 2026 (catalogue reconciled 6 July 2026). Links are affiliate links and never affect ranking. Not affiliated with HMRC; not tax advice.