249+ iOS apps curated and reviewed
The best siso calculator apps on iPhone average 4.5★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (3) | No | No | May 2026 |
| 2 |  | Free | — | Yes | Yes | Jul 2026 |
| 3 |  | Free | — | Yes | Yes | Aug 2026 |
| 4 |  | Free | 5.0★ (2) | Yes | No | May 2026 |
| 5 |  | Free | 4.5★ (4) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (178) | Yes | No | Aug 2026 |
| 7 |  | Free | 4.9★ (105K) | Yes | No | Aug 2026 |
| 8 |  | Free | 4.0★ (12) | Yes | No | Aug 2026 |
This app helps engineers and students understand System Dynamics and Controls. It offers an intuitive interface to quickly analyze controller and plant interactions in both time and frequency domains.
This app helps you manage your finances by calculating EMIs for various loans, planning investments, and converting currencies. It offers tools for personal, business, and mortgage loans, as well as savings calculators and unit converters.
This app calculates compound interest, showing how investments grow exponentially over time. It differs from simple interest by reinvesting earnings, leading to accelerated asset accumulation. Understand the power of compounding for your financial future.
This personal finance assistant simplifies loan management and investment planning. Calculate EMIs, plan SIPs, and compare loan options to make informed financial decisions.
Calculate and plan your investments to achieve financial independence and early retirement. Understand the power of earning interest on your interest with detailed projections and visualizations. Start snowballing your money today for a wealthier future.
Easily calculate loan or mortgage payments. Simply input the loan amount, repayment term, and interest rate to get your estimated monthly payment.
This educational app helps users understand Equated Monthly Installment (EMI) calculations and basic financial concepts. It allows for easy estimation of loan payments based on loan amount, interest rate, and tenure. The app is for learning purposes only and does not provide or facilitate loans.
Easily assess investment value over time with detailed tables and charts. Includes tools for ROI, duration, and contribution calculations. Save and track your financial journey.
This app simplifies financial calculations for various loan types, including mortgages and auto loans. It offers detailed results, comparison tools, and essential financial calculators for APR, ROI, and savings. Easily export your calculations for better financial management.
Estimate loan repayments and review investment values with structured financial calculators. This app helps users understand repayment figures and investment returns for planning purposes. It does not provide loans or financial advice.
Manage your Fidelity workplace benefits, including retirement savings, stock options, health insurance, and HSAs. Track account balances, investments, and expenses. Plan for your future with personalized tools and educational resources.
This app helps you calculate monthly loan payments, estimate interest costs, and understand repayment schedules for various financial needs. It offers tools for personal, home, car, and student loans, along with smart finance utilities and educational resources.
Access a comprehensive suite of financial tools for personal and business use. Calculate loans, mortgages, investments, retirement savings, and more with ease. This app offers a wide range of specialized calculators for detailed financial analysis.
This intuitive app offers a powerful and accurate financial calculator for various calculations. It handles time value of money, growing annuities, bond valuation, cash flow analysis, investment analysis (IRR/NPV), and loan amortization. RPN support and near-instantaneous results are also included.
Emulates the TI BAII Plus financial calculator, offering identical functionality with a clean and user-friendly interface. It's designed for finance professionals and students preparing for exams like CFA, FRM, and CPA.
This app helps you calculate mortgage payments with various loan types, including fixed, adjustable, and interest-only. It allows for early payoff calculations with extra payments and supports multiple currencies and international mortgage types.