iLoan Calc (Loan calculator)
iLoan Calc (Loan calculator) is #1 in Finance Paid in Japan and charting in 3 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
25 Sep 2026 Finance PaidiLoan Calc (Loan calculator) at a glance
AI summary written from our chart and store data, 2026-09-27. It can be wrong: check the numbers above.
A detailed loan simulator for Japanese consumers that calculates mortgage and personal loan amortization schedules, supporting complex features like bonus payments, accelerated repayment scenarios, and variable interest rate rules. The app holds the #1 position in the Paid Finance category in Japan, while maintaining a presence in the top 150 of paid finance apps in Canada and Australia.
Similar apps: Mortgage Calculator+, Loan Calculator Pro, Amortization Schedule Calculator
iLoan Calc (Loan calculator) on the App Store
App details
Where iLoan Calc (Loan calculator)'s downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | FinancePaid | #1 |
| Japan | FinanceGrossing | #66 |
 Canada | FinancePaid | #136 |
 Australia | FinancePaid | #153 |
Apps near iLoan Calc (Loan calculator) on the chart
Finance Paid, around #1.
Ratings
App Store, worldwide.
What users say about iLoan Calc (Loan calculator)
From recent reviews.
About iLoan Calc (Loan calculator)
You can calculate not only your mortgage but also your car loan or other loans.
[Simple user interface]
It's very simple to use. You can see your loan to be setting up 4 basic entries: Total loan amount, Interest rate, Term and Payment method.
[Detail settings]
Detail can be added as needed. For example, bonus payment, accelerated repayment and so on.
[Loan simulation]
iLoan Calc calculate your loan exactly. If both the repayment start date and the borrowing date are set, daily interest is calculated.
[Comparison]
You can compare between loans with different settings. Moreover, the comparison with/without accelerated repayment is also available. This allows you to check the effect of accelerated repayment easily.
[Main features]
- Calculation of each amount:
- monthly payment
- bonus payment
- yearly payment
- total payment
- total interest
- percentage of interest allocation, etc.
- Show the amortization schedule, export as a CSV file.
- Show graphs (historical graph, comparison graph)
- Comparison:
- compare with/without accelerated repayment
- comparison between data
- Save data
- Calculate the loan amount using a subsidiary calculation function:
- from desired repayment amount
- annual income
[Settable entries]
- Loan amount
- Interest rate and type (Fixed, Fixed multi-step, Variable)
- Loan term
- Payment method (Principal equal, Interest equal)
- Bonus payment
- Accelerated repayment (Reduce the total term, Reduce the monthly payment)
- Various cost (Fees, Taxes, Insurance etc)
- Starting date
- Starting age
- Borrowing date
[Notes about calculation]
- 5 year rule, 125% rule
Amount of monthly payment is revised once every 5 year when you setup variable interest rate (5 year rule). The maximum amount of payment after the adjustment is 1.25 times more than the original amount (125% rule).
- Accelerated repayment with reducing total term for the bonus payment
If you accelerate repayment by reducing the total term, the reduced term is every 6 months (if you select twice a year bonus payment) or 12 months (if you select once a year bonus payment).
* iLoan Calc is an application that allows you to calculate various amount of a loan.
Please note that the results on this application gives a guideline and does not necessarily correspond to the results of financial institutions.