TurnCompound vs PocketBacktest

Plan Your Financial Future — Spin, Explore, Decide TurnCompound puts the power of compound interest at your fingertips — literally. Use the interactive Dial to spin through scenarios in real time, watching your money grow with every turn. No spreadsheets, no complexity. Whether you need a compound interest calculator, retirement calculator, savings goal planner, or FIRE calculator, TurnCompound has all four in one app. As your financial calculator and growth planner, it adapts to any scenario you can imagine — from your first $100 to your retirement nest egg. Four Powerful Calculators in One App Investment Growth Set your starting balance, expected return, and contribution frequency. Add monthly savings or lump-sum deposits at any point in your timeline. See your total value broken down into contributions and earned interest — instantly. Withdrawal Simulator How long will your portfolio last? Simulate retirement income or early withdrawal strategies. Get a clear picture of your ending balance, total withdrawals, and exactly when your money runs out — if it does. Savings Goal Planner Set a target and we'll tell you exactly how much to save each month. Adjust your timeline, return rate, and starting amount to find the plan that fits your life. Coast FIRE Calculator Find out how much you need to save now so your investments grow on their own — no more contributions needed. Set your target retirement age and see your Coast FIRE number, the age you can stop saving, and how your money coasts to your goal. The Dial — A New Way to Plan Forget typing numbers. Spin the dial to adjust any parameter — initial amount, monthly savings, years, return rate — and watch your results update live. It's financial planning that feels intuitive. Interactive Charts & Tables - Year-by-year breakdown of your investments - Stacked bar charts separating principal from interest - Drag across the chart to explore any year in detail - Switch to table view for exact numbers - Haptic feedback as you explore Fully Customizable - 9 currencies supported (USD, EUR, GBP, BRL, JPY, and more) - Set your default return rate and compound frequency - Weekly, monthly, quarterly, or yearly contributions - All settings update calculations in real time Designed for Simplicity - Clean, distraction-free interface - Dashboard with sparkline previews of all calculators - No login required — just open and calculate - Your settings persist automatically Who's It For? - First-time investors - FIRE (Financial Independence, Retire Early) planners - Coast FIRE enthusiasts - Retirement savers - Anyone who wants to stop guessing and start planning You don't need to be a financial expert to understand the power of compound interest. Start spinning your future — one turn at a time.

How would that portfolio actually have done? Type the tickers, set the weights, pick a period, tap Run Backtest. You get a clean growth chart and the numbers that matter. In about ten seconds, with no account and no spreadsheet. BUILD IT YOUR WAY • Save multiple portfolios of stocks, ETFs, and crypto • Start from a preset - 60/40 Balanced, All Weather, Three-Fund, Total Nasdaq, Crypto Blend and more • Split weights evenly with one tap, or type them to the decimal • Duplicate a portfolio to try a variation without losing the original • Swipe to delete; each portfolio keeps the colour it uses on the chart TEST IT PROPERLY • Periods from 1 week to 5 years, YTD, or the full available history • Rebalancing: Buy & Hold, Monthly, Quarterly, or Annually • Add recurring contributions - daily, weekly, monthly, quarterly or yearly • Set your own risk-free rate for the risk figures THE NUMBERS • Total return, CAGR, and ending balance • Money-weighted return (MWRR) once you are adding contributions • Maximum drawdown - the worst peak-to-trough fall along the way • Volatility, Sharpe, Sortino, Calmar, and beta • Contributions are excluded from the return maths, so money you paid in is never counted as growth READ THE CHART • Compare every portfolio on one chart, side by side • Drag to inspect any single day; press and hold, then drag, to measure a range • Turn the phone sideways for a full-screen chart • Optional log scale, or start everything at 100 to compare shape rather than dollars • Export a run as CSV and a chart image, zipped and ready to share MADE TO LIVE ON YOUR PHONE • Ten themes, each with a genuine light and dark version that follows your System setting • Portfolio Pulse widget keeps your last run on the home screen • Ask Siri: "Run a backtest in PocketBacktest" • Full Dynamic Type, VoiceOver labels, and Reduce Motion support • Prices are cached, so recent runs still work with a weak connection Disclaimer: The information provided in this app is for informational and entertainment purposes only and should not be considered financial advice. Past performance does not predict future results. Always do your own research or consult a qualified financial professional before making investment decisions.