A debt payoff calculator that actually gets the math right. Avalanche vs snowball, 0% promo tracking, what-if scenarios. Free core features — Pro for $14.99.
I built this while paying off my own debt. Every app I tried wanted my bank login or charged a monthly fee. Downslope runs entirely in your browser — your data never leaves your device. Avalanche vs. snowball comparison, 0% promo expiration warnings, and what-if scenarios for raises and windfalls. Free to use, one-time $14.99 Pro upgrade. Brutal feedback welcome.
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