Income. Expenses. Invoices. Mileage. Everything UK self-employed professionals need — in one powerful app.
Built specifically for UK , Limited Company, Self-Employed, Sole Traders and small business owners who want simplicity without compromise.
Log transactions quickly with categories, dates and notes. See exactly where your money goes with clear summaries and filters.
Create and send PDF invoices to clients in seconds. Add your business details, line items, VAT, payment terms and branding.
Record business journeys and calculate claims using current HMRC approved mileage allowance rates (45p/25p per mile).
Work with clients in GBP, USD and EUR. Ideal for freelancers and contractors taking on international projects.
View profit and loss at a glance. Filter by date range, category or client to understand your business performance.
All data stored locally on your device. No cloud uploads, no account required, no third-party access to your finances.
A clean, intuitive interface designed to help you manage your finances faster.
Get BizTracker from Google Play. No account needed, no subscription required. Start using it immediately.
Record income, expenses, invoices and mileage as they happen. Categorise everything for clean records.
View profit & loss reports, track tax obligations and be prepared for self-assessment — all year round.
Unlike bloated accounting software, BizTracker focuses on what matters: recording your money, creating invoices, and staying HMRC-ready — with zero complexity.
Making Tax Digital for Income Tax is rolling out in phases between April 2026 and April 2028. Our free checker tells you exactly when you need to start — and what to do before then — based on your income and situation.
"Finally an app that does exactly what I need without trying to be QuickBooks. I just log my income and expenses and it handles the rest."
"The mileage tracker alone saves me hours at tax time. Having HMRC rates already built in means I never have to look them up."
"Clean, fast, and does invoicing brilliantly. My clients get professional PDF invoices within seconds of finishing a job."