ローンメモ繰上 住宅ローン繰り上げ返済シミュレーター is a finance app by ニャンパズ with 10,000+ downloads (about 42K estimated). +38 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Simulate your mortgage prepayment for free. Simply enter the timing and amount of your prepayment to see how it can shorten your repayment period and reduce your interest payments. You can compare 5 different prepayment plans.”