WizTools

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Model investment growth with flexible payment schedules, accrual frequencies, and annual adjustments.

Work out monthly repayments, term, or end date for a load. Model overpayments and see your full amortisation schedule.

UK retirement scenario planning with asset tracking, contributions modelling, and year-by-year projections.

Calculate payback period and 20-year ROI for UK solar panel and battery installations across four modes.

Take-home pay breakdown for 2025/26 with full income tax, National Insurance, and deductions modelling.