Comparison

TurnCompound vs OneLedger

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

TurnCompound

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Plan Your Financial Future โ€” Spin, Explore, Decide TurnCompound puts the power of compound interest at your fingertips โ€” 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 โ€” 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 โ€” 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 โ€” 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 โ€” 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 โ€” A New Way to Plan Forget typing numbers. Spin the dial to adjust any parameter โ€” initial amount, monthly savings, years, return rate โ€” 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 โ€” 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 โ€” one turn at a time.

About

OneLedger

Features
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Where will your net worth be in fifteen years? OneLedger works it out on your iPhone, with no bank connection and no subscription. OneLedger brings together accounts, portfolios (stocks, ETFs, crypto), real estate, and loans in one app. Think long term, track your objectives Building wealth takes years. OneLedger is built for a long-term view: you set your goals (retirement, property purchase, project savings) and follow how your situation evolves over time. Dashboard, projection charts, and wealth evolution give you a clear picture of where you stand and where you're heading. Savings and accounts Centralise your bank and savings accounts (checking, savings, brokerage). See totals, history, and breakdown by category. Portfolios: stocks, ETFs and crypto Create portfolios by goal (retirement, project, liquidity). Add positions in stocks, ETFs, or crypto with quantity and purchase price. Track the value and performance of each portfolio, refreshed automatically without an API key. Add your own key if you want a longer price history. Real estate and loans Record your properties and their linked loans. Run repayment scenarios (rate, term, monthly payment) and compare the impact on your cash flow. You get a clear view of debt and net real estate wealth. Scenarios and analysis Use scenarios to project your savings and goals over time. The Expert module offers macro indicators (liquidity, valuation, economic cycle) and tools such as rate stress tests to support your long-term thinking. Privacy by design No bank connection, no account to create, no server: your data is encrypted and stays on your device, with local encrypted backups. A single one-time purchase unlocks the full version, no subscription. Who is it for? Individuals who want a single view of their wealth, without relying on a bank connection or a mandatory cloud subscription. 14-day free trial, English interface. Download OneLedger and take control of your net worth.

Screenshots

TurnCompound4 screens
OneLedger4 screens

Verdict

The call

The clearest difference is in-app purchases: TurnCompound at none against OneLedger's 1. TurnCompound also leads on iOS requirement (17.0 vs 26.0). OneLedger's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. OneLedger sells 1 one-off in-app purchase. TurnCompound asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

Scorecard3 real differences ยท 3 level
TurnCompound versus OneLedger: the parameters behind the verdict, then further details
ParameterTurnCompoundOneLedger
PriceFreeFree
Update frequencyWeeklyWeekly
AdsYesNo โ€” better
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 โ€” better26.0
Further details โ€” not scored
Size13 MB23 MB
Age rating4+4+
DeveloperErika AlbizzatiDamien Zilka

In-app purchases

None

TurnCompound

No in-app purchases

1 purchases

OneLedger

One-time1
  • Full Version$17.99

Questions

Is TurnCompound free?
TurnCompound is free to download, with no in-app purchases.
Is OneLedger free?
OneLedger is free to download, with in-app purchases available.
Do TurnCompound or OneLedger have ads?
TurnCompound shows ads; OneLedger does not.
Which is updated more often, TurnCompound or OneLedger?
TurnCompound ships an update weekly, and OneLedger weekly. Most recently, TurnCompound was updated on October 12, 2026 and OneLedger on October 14, 2026.

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