About iBuye
Tools for Rwandan mineral traders
iBuye is a financial calculator suite for Tantalum (Coltan), Tin (Gasegereti), and Tungsten (Wolfram).
Our mission is to put accurate, transparent financial calculations into the hands of every mineral trader in Rwanda - online or offline, in the language they actually speak.
Who it's for
Cooperatives, comptoirs, small-scale buyers, and independent traders who need fast, reliable numbers when negotiating with suppliers or buyers.
How we work
- Offline-first: the calculator runs entirely in your browser, even with no network.
- Trilingual: every screen in English, Kinyarwanda, and French.
- Transparent formulas: every coefficient and fee is documented and adjustable.
- Your data stays yours: history is private to your account and never sold.
Built in Rwanda
iBuye is a small team of engineers and mining sector specialists based in Kigali.
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Run calculations, download reports, and share results with one subscription.