Best Interest Rate Calculator Finance Apps

247+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Whether you're new to interest rate calculator finance or looking for an upgrade, our curated collection of 247+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Interest Rate Calculator Finance Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Loan Calculator‰Loan Calculator‰Free4.9★ (105K)YesNoSep 2026
2Interest Calculator: FinanceInterest Calculator: FinanceFree4.6★ (78)NoYesSep 2026
3Loan Calculator - Debt PlannerLoan Calculator - Debt PlannerFree4.6★ (22K)YesYesSep 2026
4EZ Financial CalculatorsEZ Financial CalculatorsFree4.4★ (51)YesNoSep 2026
5Finance : Loan Emi CalculatorFinance : Loan Emi CalculatorFreeYesYesAug 2026
6EMI Loan & Mortgage CalculatorEMI Loan & Mortgage CalculatorFree4.5★ (388)NoNoSep 2026
7Interest Rate CalculationInterest Rate CalculationFree4.6★ (5)YesNoMay 2026
8Karl's Mortgage CalculatorKarl's Mortgage CalculatorFree4.4★ (124)YesNoSep 2026

Top Picks for Interest Rate Calculator Finance

Loan Calculator‰#1

Loan Calculator‰ by Tim O's Studios, LLC

Simple Loan Calculator
Editor's Choice
💰 Finance
4.9😊(105K ratings)
FreeAds
Loan Calculator‰ screenshot 1

Easily calculate loan or mortgage payments. Simply input the loan amount, repayment term, and interest rate to get your estimated monthly payment.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Straightforward and intuitive
  • 💡 Accurate loan repayment calculations
  • 🚀 Instant results
  • 👍 Helpful for financial decisions

Room to Improve

  • 🐛 Incorrect interest calculations
  • 🔍 Limited functionality
  • 💸 Excessive advertisements
  • 🔍 Cannot switch to landscape mode
  • 🔒 Privacy concerns with data collection
Loan Calculator - Debt Planner#3

Loan Calculator - Debt Planner by ChuChu Train Productions

Mortgage, Car, School, Payday
Worth Considering
💰 Finance
4.6😐(22K ratings)
FreeAdsIn-App Purchases
Loan Calculator - Debt Planner screenshot 1
Loan Calculator - Debt Planner screenshot 2
Loan Calculator - Debt Planner screenshot 3
Loan Calculator - Debt Planner screenshot 4
Loan Calculator - Debt Planner screenshot 5
Loan Calculator - Debt Planner screenshot 6

This app helps you understand the true cost of loans and mortgages by revealing total interest paid and payoff timelines. It allows for scenario comparisons, extra payment analysis, and detailed amortization schedules. Visualize your debt journey with graphs and access bonus calculators.

What We Love

  • 👍 Easy to use
  • 🚀 Quick calculations
  • 💡 Helpful for financial decisions
  • 🔒 Secure app

Room to Improve

  • 🔍 Lacking advanced features
  • 💸 Excessive ads
  • 🐛 Bugs and crashes
  • 📵 Difficulty disabling ads

More Interest Rate Calculator Finance apps to explore

FAQ about Interest Rate Calculator Finance

What are the best interest rate calculator finance apps for iPhone?
Loan Calculator‰ tops our interest rate calculator finance apps ranking as of September 2026, with a 4.9-star average from 105K App Store ratings, and it's free to download.
Yes — 20 of the top interest rate calculator finance apps we rank are free to download, including Loan Calculator‰ and Interest Calculator: Finance.
Loan Calculator‰ shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 247+ interest rate calculator finance apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you estimate your monthly payments for loans or mortgages. You can quickly see how different loan amounts, terms, and interest rates will affect your repayment schedule.
Using the calculator is straightforward. You just need to enter the total loan amount, the desired repayment term (e.g., in years or months), and the annual interest rate. The app will then provide an estimated monthly payment.