
ROI Calculator: CAGR Return
Annualized Investment Growth
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About
PREMIUM — PURCHASE REQUIRED: All features described below are part of Pro and require a purchase: a weekly or yearly auto-renewing subscription, or a one-time lifetime purchase.
Did that investment actually make money — and how much per year? Type in what you put in, what you got back, and how long you held it. ROICalc gives you the honest number: ROI percent, net gain, and the annualized return (CAGR) that lets you compare a 3-year stock run against a 7-year property hold on equal terms.
Most calculators stop at simple ROI percent — a number that flatters long holds and hides slow bleeds. ROICalc annualizes everything the way analysts do, projects growth with monthly contributions compounded month by month, and keeps every deal you evaluate saved side by side, so "which investment did better" is a chart, not a guess.
WHAT YOU GET
• ROI in seconds: enter cost and return, see net profit, ROI % and true annualized return — a 100% gain over 10 years shows as the 7.2% a year it really is
• Investment growth projection: starting amount plus monthly contributions, with a year-by-year chart of balance vs. what you actually paid in
• Rental property numbers landlords actually use: cap rate, cash-on-cash return, gross yield and monthly cash flow after the mortgage
• Break-even for any product: how many units, and how much revenue, before fixed costs are covered
• Every saved scenario compared on one bar chart — best performer ranked first, sortable by return
• A Learn library that explains each metric with its formula and a cited source (SEC Investor.gov, CFA Institute, SBA)
PERFECT FOR
• Stock and fund investors checking what a position really returned per year
• Rental property buyers screening deals by cap rate and cash-on-cash before making an offer
• Small business owners pricing a product and finding its break-even point
• Anyone weighing two uses of the same cash and wanting one comparable number per year
WHY NOT JUST A SPREADSHEET?
A spreadsheet makes you remember the CAGR formula, rebuild it for every deal, and scroll a grid on your phone. ROICalc has the formulas built in — annualized return is computed geometrically, not the ROI-divided-by-years shortcut that overstates long holds — and every scenario you save stays one tap from a side-by-side comparison.
PRIVATE BY DEFAULT
Everything stays on your iPhone. Scenarios are stored locally, there is no account and no tracking, and the app never asks for a broker login or any financial credentials.
PREMIUM (PURCHASE REQUIRED)
ROICalc requires Full Access, available as a weekly subscription, a yearly subscription, or a lifetime one-time purchase. Full Access unlocks the year-by-year growth chart, the rental and break-even calculators, unlimited saved scenarios and the complete Learn library. Payment is charged to your Apple ID; subscriptions renew unless cancelled at least 24 hours before the period ends. Manage or cancel anytime in Settings.
Download ROICalc and find out what your last investment really earned — per year, not just overall.
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What's New in ROI Calculator
1.1
October 6, 2026
Bug fixes and performance improvements. Thanks for using the app — your feedback keeps it getting better.









