APARI vs untied
Both are guided tax filer tools for Making Tax Digital for Income Tax.
untied is the cheaper starting point at from £129.99/yr (VAT included) versus from £144/yr for APARI — but the cheapest plan only wins if it covers the income types you actually have.
| APARI | untied | |
|---|---|---|
| True annual cost from | from £144/yr | 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 | 2026-07-01 | 2026-07-01 |
APARI
An MTD specialist (now ApariPro) from the original HMRC pilot, covering self-employment and property with pre-filled returns and a 30-day free trial.
- People who want an MTD-first tool
- Those who value pre-filled, guided returns
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 1 July 2026 (catalogue reconciled 1 July 2026). Links are affiliate links and never affect ranking. Not affiliated with HMRC; not tax advice.