# Isaac - UK Retirement Planning > Isaac is a comprehensive retirement planning app for iPhone, iPad, and the web. It helps individuals model their UK pensions, tax, spending, and inheritance - all in one place. No jargon, just honest maths. ## About Isaac is built by Budgetwise Limited and is available on the Apple App Store and via the web at [isaacmoney.com](https://www.isaacmoney.com). It is designed for UK residents planning their retirement, financial advisers (IFAs) managing client cashflows, and employers offering pension planning as a workplace benefit. ## Key Pages - [Home](https://www.isaacmoney.com): Main landing page with product overview, features, and pricing. - [For Employers](https://www.isaacmoney.com/employers): B2B workplace pension planning benefit for employers. - [For Advisers](https://www.isaacmoney.com/advisers): Isaac for Advisers - professional cashflow modelling portal for IFAs. - [Calculator](https://www.isaacmoney.com/calculator): Free web-based UK pension calculator. - [User Guide](https://www.isaacmoney.com/guide): Knowledge base and help documentation. - [Calculation Methodology](https://www.isaacmoney.com/calculation-methodology): How the engine works - tax, pensions, projections. - [Terms of Service](https://www.isaacmoney.com/terms) - [Privacy Policy](https://www.isaacmoney.com/privacy) - [Subscription Policy](https://www.isaacmoney.com/subscription-policy) - [Accessibility](https://www.isaacmoney.com/accessibility) - [Full LLM Reference](https://www.isaacmoney.com/llms-full.txt): Detailed product information for AI systems. ## Blog / Guides - [How Much Do I Need to Retire in the UK?](https://www.isaacmoney.com/blog/how-much-to-retire-uk): PLSA benchmarks, pension pot sizes, tax, inflation, and how to work out your number. - [UK Inheritance Tax Explained](https://www.isaacmoney.com/blog/uk-inheritance-tax-explained): Nil-rate bands, residence allowance, PETs, taper relief, Business Relief, and the 2027 pension change. - [UK State Pension Explained](https://www.isaacmoney.com/blog/uk-state-pension-explained): Full amounts for 2026/27, qualifying years, pension age, the triple lock, and voluntary NI contributions. ## Pricing - **Free**: 1 scenario, core pension modelling, basic projections, State Pension and DB pension support. - **Premium**: £7.99/month or £79.99/year. Unlimited scenarios, spending curves, big purchases, inheritance tax planning, PDF export, partner planning, drawdown strategies, and more. ## Core Features - Defined Contribution (DC) pension modelling with multiple pots - Defined Benefit (DB) pension support - State Pension calculation based on NI qualifying years - Tax calculations for England/Wales and Scotland (2026/27 rates) - Spending curves and phased retirement spending - Big one-off purchases and later life care fund - Inheritance Tax (IHT) planning with PETs, Business Relief, and life insurance - Partner/couple planning with combined household modelling - Tax-free lump sum options: PCLS, UFPLS, and Hybrid - Drawdown, annuity, and blended strategies - Retirement age solver - PDF report export - Offline-first with cloud sync ## Target Audiences 1. **Individuals** aged 30-70 planning their UK retirement 2. **Financial Advisers (IFAs)** needing a cashflow modelling tool for clients 3. **Employers** wanting to offer pension planning as a workplace benefit ## Contact - Website: https://www.isaacmoney.com - Support: support@isaacmoney.com - Company: Budgetwise Limited