# NPV IRR Calc Pro — NPV IRR Option Bond Yield APR

> NPV IRR Option Bond Yield APR (iPhone/iPad app by 廷帅 张.)

- Source: https://appshunter.io/ios/app/npv-irr-calc-pro/id6783791738 (this page in markdown: same URL + `.md`)
- Developer: [廷帅 张](https://appshunter.io/developer/6782363561)
- Category: Utilities, Finance
- Price: Free
- Age rating: 17+
- Requires: iOS 16.4 · 2 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-06-29
- Data updated: 2026-09-15
- User reviews in markdown: https://appshunter.io/ios/app/npv-irr-calc-pro/id6783791738/reviews.md

## What is NPV IRR Calc Pro?

Finance Calc Pro — Your All-in-One Financial Toolkit

Free Calculators (Always Free)

• NPV/IRR — Net Present Value & Internal Rate of Return. Evaluate any project's profitability in seconds.
• Loan Calculator — Monthly payment, total interest & full amortization schedule.
• Option Pricing — Black-Scholes European option pricing model with Greeks.
• Time Value of Money — Future Value, Present Value, Rule of 72, CAGR.
• Bond Pricing — Bond price & yield to maturity. Multiple coupon frequencies.

Premium Features (One-time purchase, lifetime access + all future updates)

• Credit Card Real APR — Banks say "0.6% per month"? The real effective annual rate might be double. Reveal the true cost using IRR method.
• Investment Return Simulator — Monthly investment projections with compound growth curve and data labels.
• Loan Comparison — Compare 3 loan offers side by side with bar charts.
• Multi-Currency Converter — CNY/USD/EUR/JPY/GBP/HKD/KRW/AUD/CAD/CHF.
• Calculation History — Auto-saves up to 50 records. Tap to restore parameters.
• PDF Export — Professional A4 PDF reports from all calculators. Share via email, WeChat, AirDrop.

Why Finance Calc Pro?

• CFA-Verified Formulas — Every calculation validated against the CFA curriculum.
• Bilingual — Chinese/English toggle for international students and CFA candidates.
• Zero Ads — Clean and professional. No distractions.
• One-Time Purchase — Pay once, own forever. No subscriptions.
• Privacy First — Your data stays on your device.

Who Is This For?

• CFA/CPA/FRM Candidates — Verify formulas, understand concepts.
• Finance Professionals — Daily toolkit for banking, securities, fund management.
• Home Buyers — Accurate mortgage calculations with full amortization.
• Investors — NPV, IRR, options, DCF simulation. Data-driven decisions.
• Credit Card Users — See the true APR behind the "0.6% per month" claim.

Disclaimer: All calculations are for reference only. Consult a licensed professional before any financial transaction.

Contact: 3885682809@qq.com


## Version history (last 3 releases)

### 1.4.0 — 2026-09-09

1.4.0 update:
• Added 3 new calculators: Bill Discount, Deposit Interest, and Early Repayment
• Free version now includes 7 calculators (with Bill Discount & Deposit Interest)
• New Pro metrics: option Greeks, bond duration/convexity, payback period/profitability index, and full amortization schedule
• Fixed edge cases and improved purchase-restore reliability

### 1.3.0 — 2026-09-02

v2 Major Update!

New Premium Features (one-time purchase):
• Credit Card Real APR — IRR-based true cost
• Investment Simulator — compound growth charts
• Loan Comparison — bar charts side by side
• Multi-Currency Converter — 10 currencies
• PDF Export — reports from all calculators
• Calculation History — auto-save & restore

Improvements: input hints & comma separator tips

### 1.0 — 2026-06-29

Initial release — 5 financial calculators: NPV/IRR, Loan, Options, Time Value of Money, and Bond Pricing. Chinese & English bilingual support.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-15.*
