Products

Apps by Stani Software.

A focused, growing collection of UK-built tools designed for self-employed professionals, freelancers, sole traders and anyone juggling busy everyday admin.

Available apps

UK Tax Assistant app iconLive

UK Tax Assistant

Estimate your UK Income Tax & National Insurance in seconds

A simple, mobile-friendly web app that helps self-employed people, freelancers and sole traders across the UK get a clear estimate of their Income Tax and National Insurance — without spreadsheets or jargon.

  • Estimate Income Tax and National Insurance in seconds
  • Built for UK self-employed people, freelancers and sole traders
  • Clear breakdowns — no spreadsheets, no jargon
  • Mobile-first, works beautifully on any device

Roadmap

More apps in development.

Here's a glimpse of what we're exploring next. We don't promise dates — we promise care. Each app will only ship when it genuinely earns its place.

In planning

Productivity tools

Focused apps to help busy professionals plan their day, capture ideas, and stay on top of small tasks without overwhelm.

In planning

Finance & admin tools

Lightweight tools for everyday personal and small-business admin — from quick calculations to clearer record-keeping.

Coming soon

Work-life balance tools

Gentle, privacy-conscious apps that support a healthier rhythm between work, rest and the things that matter most.

In planning

Everyday business utilities

Small, dependable utilities that take repetitive admin tasks off your plate so you can get back to real work.

Got an idea for an app?

If you're a busy professional with a problem worth solving, we'd love to hear about it.