| Price from | £5/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 6 | 1 |
| Spec score · Tax Software | 8.8 (#19) | 8.4 (#37) |
| Spec score · Personal Tax Software | 8.6 (#27) | 8.4 (#31) |
| Free plan | No | Yes |
| Headquarters | London N12 0BP, United Kingdom | Sejong, South Korea |
| Intended users | CalCal describes its intended users as small UK businesses, including sole traders, limited companies, landlords, and other trades. | The service offers tax features for individuals and businesses, including personal tax estimates and business electronic invoice functions. |
| Investment income | Yes | Yes |
| Mobile access | web_and_mobile | The mobile Hometax service is called Sontax and is available as an app and on the mobile web. |
| Purpose | CalCal is DIY accounting software for small UK businesses, designed to let people keep records without accounting jargon. | Hometax is the National Tax Service’s online service for tax-related services. |
| Rental income | Yes | Yes |
| Self-employment support | Yes | Yes |
| Support | CalCal provides a help centre with articles covering tax returns, VAT, basic usage, and pre-sales questions. | The National Tax Service lists tax consultation at 126 and says weekday service hours are 9:00–18:00. |
