Power of Interest software store
Choose the program that matches the job. Every product uses one-time pricing, and every program has a free Windows evaluation you can try before buying.
Not sure which program to choose?
Start with the task you are trying to complete. You can download a free evaluation before purchasing any program.
| If you need to… | Use this program | Price |
|---|---|---|
| Create or edit a complete amortization schedule | Amortization Pro Extra payments, changing rates, balloon balances, annual totals, charts, saving and printing. | $25 |
| Track payments on private or seller-financed loans | Private Loan Manager Post actual payments, track balances, due dates, payoff amounts, and year-end totals. | $99 |
| See how extra mortgage payments change payoff | Mortgage Payoff Calculator See time saved, interest saved, target payoff dates, and monthly schedules. | $25 |
| Create dated payment coupons for a borrower | Loan Payment Coupon Book Pro Generate and print 1 to 480 payment coupons in flexible page layouts. | $25 |
| Prepare RESPA escrow analysis and disclosures | RESPA Escrow Analysis Pro Initial and annual disclosures plus 12-month aggregate escrow analysis. | $25 |
| Reconstruct irregular payments and calculate a payoff | Loan Reconciliation & Payoff Pro Late, partial, principal-only and irregular transactions using daily simple interest. | $99 |
All prices are one-time purchases. No required monthly subscription.
Software store
Each product below includes a direct free-evaluation link, product details, and the one-time purchase option.
Windows desktop software
Create editable amortization schedules with extra principal, changing rates, balloon balances, annual totals, charts, printing, saving, and retrieval.
Windows desktop software
Manage private and seller-financed loans after origination. Record payments, track principal and interest, see balances, monitor due dates, and prepare year-end totals.
Consumer Windows mortgage software
See how extra monthly or one-time mortgage payments can shorten the payoff and reduce interest without the complexity of professional amortization software.
Windows desktop software
Create professional dated loan payment coupon books for private loans, seller financing, mortgages, and installment loans.
Windows desktop software
Prepare initial and annual escrow disclosures and perform a 12-month aggregate escrow analysis on your Windows computer.
Windows desktop software
Reconstruct irregular loan histories transaction by transaction and calculate a payoff through a selected date.
Pay by mail
Make a check payable to ERICH INCORPORATED. Include the product name, your full name, phone number, and email address.
ERICH INCORPORATEDFor questions before mailing payment, call (608) 444-6575 or email support@powerofinterest.com.
Before you order
Yes. Each program has a Windows evaluation available from its product page or download link.
No. The products shown here use one-time purchase pricing.
After purchase, open the software registration screen and send the displayed Installation ID to Power of Interest support. A passcode unlocks that installation.
Before you continue
See how the software handles extra principal payments, balloon balances, changing interest rates, and biweekly schedules. Or browse all amortization guides.