Global Compound Strategy
The compound interest calculator you actually needed
What it does
I'm an engineer who couldn't find a calculator that handles two income streams. So I taught myself React Native and built one. 🔢 4 Modes: Growth, Withdrawal, Lifecycle, 4% Rule 💰 Dual contribution streams (salary + side income) 📊 Strategic insights for every scenario 📋 Save & compare scenarios side-by-side 🌍 3 Languages & 3 Currencies 🌙 Dark mode Free on the App Store. Built by an engineer, for anyone serious about their financial future.
Does the same job
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Quick background: I used to code. Studied it in school, wrote some projects, but eventually convinced myself I wasn't cut out for it. Too slow, too many bugs, imposter syndrome — the usual story. So I pivoted, ended up as an investment associate at an early-stage angel fund, and haven't written real code in years. Fast forward to now. I'm a Buffett nerd — big believer in compound interest as a mental model for life. I run compound interest calculations constantly. Not because I need to, but because watching numbers grow over 30-40 years keeps me patient when markets get wild. It's basically…
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I figured I needed to work on my coding skills before building the next groundbreaking AI app, so I started working on this free tool site. Its basically just an aggregation of various commonly used calculators and unit convertors. Link: https://www.calcverse.live Tech Stack: Next, React, Typescript, shadcn UI, Tailwind CSS Would greatly appreciate your feedback on the UI/UX and accessibilty. I struggled the most with navigation. I've added a search box, a sidebar, breadcrumbs and pages with grids of cards leading to the respective calculator or unit convertor, but not sure if…
Compound Interest CalculatorJul 2026 · globaltoolsbox.online · ▲9Advanced compound interest calculator with 60+ currencies
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Hi HN, I am a solopreneur in the evenings and a software engineer during the day. In the past, I have created lots of calculators for my web projects and freelancing friends. These were pretty basic, but users always welcomed them. I also used currently available builders, but the problem was that they were either slow, broke on mobile devices, had nonsense page view limits, or were expensive. Some even ticked all those boxes. So I have decided to create my own, with a simple interface, and called it Creative Widgets (if it ever takes off, I plan to add more exciting stuff like charts, etc,…
Swiss Compound Interest CalculatorFeb 2026 · ▲3Free compound interest calculator with financial tracker
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