Comparison

BA Financial Calculator Plus vs 42 Foundation Tools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BA Financial Calculator Plus

This app offers a comprehensive suite of financial calculators, including TVM, NPV, and ROI, with detailed explanations, formulas, and examples. It provides data visualization, reports, and AI-powered insights for complex financial calculations, all while prioritizing on-device processing for privacy.

Highlights
  • Financial calculators with descriptions, formulas, and examples
  • Time Value of Money (TVM) calculations
  • Net Present Value (NPV) and Internal Rate of Return (IRR)
  • Return on Investment (ROI) analysis
  • AI-powered explanations for financial insights
  • Data visualization and calculation reports
  • On-device processing for privacy
Read full description

BA Financial Calculator Plus combines a professional financial calculator with modern, guided finance calculators. Use it for quick calculations, deeper analysis, and as a handy reference for financial concepts, formulas, and examples. The app includes a classic financial calculator for TVM, cash flow analysis, amortization, storage and recall, math expressions, and calculation history. Guided calculators provide clear inputs, results, charts, descriptions, formulas, and examples for common finance problems. On Mac, BA Financial Calculator Plus offers a more desktop-friendly experience with keyboard input, shortcuts, sidebar navigation, toolbar controls, resizable layouts, and report workflows. Key Features: - Guided calculators with descriptions, formulas, and examples - Professional financial calculator with scientific notation - TVM, cash flow, NPV, IRR, AMORT, storage, recall, and history - Charts and data visualization - AI-powered explanations for supported calculations - Save, organize, and share calculation reports - App Shortcuts for quickly opening calculators Calculators: - Time Value of Money (Future Value, Present Value, Interest Rate, Period, Payment) - Net Present Value and Internal Rate of Return - Return on Investment (Gain or Loss, ROI, Annualized ROI) - Compound Interest (Balance, Total Principal, Interest Amount, APY) - Mortgage (Loan Summary, Payment Breakdown, Amortization Schedule) - DCF Valuation (Enterprise Value, Equity Value, Intrinsic Value per Share) - Bond Valuation (Bond Price, Macaulay Duration, Modified Duration, Convexity) - Capital Asset Pricing Model (CAPM) - Weighted Average Cost of Capital (WACC) - Stock Valuation (Constant Growth, Nonconstant Growth) - Expected Return and Standard Deviation - Holding Period Return (HPR) - Black-Scholes Option Pricing (Call/Put Price, Delta, Gamma, Vega, Theta, Rho) - Tip Calculator Financial Calculator: - Solve Time Value of Money equations (FV, PV, PMT, I/Y, N) - Cash flow analysis with CF, NPV, and IRR - Amortization with balance, principal, and interest - Evaluate math expressions, including trigonometric and logarithmic functions - Store and recall numerical values - Use keyboard input and shortcuts on Mac - Follow built-in help and step-by-step instructions - Review calculation history Calculation Reports: - Save calculation reports - Organize previous reports - Share reports BA Financial Calculator Plus Subscription: Unlock all Pro features with an annual BA Financial Calculator Plus subscription, including advanced calculators, AI explanations, and reports. Terms of use: https://rayinformatics.com/terms Privacy policy: https://rayinformatics.com/privacy Contact: https://rayinformatics.com/contact

About

42 Foundation Tools

This app provides retirement planning tools specifically for first-responder and public-sector families. It helps estimate pensions, project income, and analyze various savings and insurance options. All data is saved locally on your device for privacy.

Highlights
  • Retirement income projection
  • CalPERS pension estimation
  • 457(b) deferred comp analysis
  • Life insurance gap analysis
  • College savings planner
  • Local data saving
Features
Read full description

42 Foundation Retirement Planning Tools brings clear, plain-English planning to first-responder and public-sector families. Estimate your CalPERS pension, project your retirement income, and see how your 457(b), overtime, and outside savings add up over time. Includes: • Master Retirement Projector — your projected monthly income vs. your target, by age. • CalPERS Pension Optimizer — estimate your pension from your formula, age, and years of service. • 457(b) Deferred Comp Analyzer — model contributions and tax-advantaged growth. • Survivor Benefit & Life Insurance Gap — right-size a term life policy to protect your family. • College Savings Planner — project 529 growth against the rising cost of college. Your inputs save automatically on your device. No account, no sign-in, and no data leaves your phone. Educational planning tools only — not personalized financial, tax, or legal advice. Figures reflect current-year rules and change annually.

Screenshots

BA Financial Calculator Plus4 screens
42 Foundation Tools4 screens

Verdict

The call

The clearest difference is rating: 42 Foundation Tools at 5.0 against BA Financial Calculator Plus's 4.5. 42 Foundation Tools also leads on in-app purchases (none vs 4) and update cadence (fortnightly vs every 5 weeks). BA Financial Calculator Plus's advantage is ratings volume (145 vs 1). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BA Financial Calculator Plus sells 4 in-app purchases, starting at $6.99 per year. 42 Foundation Tools asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

42 Foundation Tools holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: BA Financial Calculator Plus has 145 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

BA Financial Calculator Plus ships an update every 5 weeks, 42 Foundation Tools fortnightly. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
BA Financial Calculator Plus versus 42 Foundation Tools: the parameters behind the verdict, then further details
ParameterBA Financial Calculator Plus42 Foundation Tools
PriceFreeFree
Rating4.5 (145 ratings)5.0 (1 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings145 — better1
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size13 MB3 MB
Age rating4+4+
DeveloperRAY INFORMATICS YAZILIM TEKNOLOJI MEDYA DANISMANLIK VE EGITIM TICARET LIMITED SIRKETIPALMER CHRISTIEN MAHONEY

Customer experience

BA Financial Calculator Plus

All ratings145 ratings
Positive87.6%
Neutral2.1%
Negative10.3%
Written reviews18 reviews
Positive66.7%
Neutral5.6%
Negative27.8%

42 Foundation Tools

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

BA Financial Calculator Plus

Subscriptions2
  • Ba Financial Pro Yearly$6.991 Year
  • BA Financial Yearly$14.991 Year
One-time2
  • BA Financial Pro Lifetime$17.99
  • BA Financial Calculator Lifetime$34.99
None

42 Foundation Tools

No in-app purchases

Questions

Is BA Financial Calculator Plus free?
BA Financial Calculator Plus is free to download, with in-app purchases available.
Is 42 Foundation Tools free?
42 Foundation Tools is free to download, with no in-app purchases.
Which has better reviews, BA Financial Calculator Plus or 42 Foundation Tools?
42 Foundation Tools is rated higher. BA Financial Calculator Plus averages 4.5 out of 5 from 145 ratings, while 42 Foundation Tools averages 5.0 from 1 ratings.
Do BA Financial Calculator Plus or 42 Foundation Tools have ads?
Neither BA Financial Calculator Plus nor 42 Foundation Tools shows ads.
Which is updated more often, BA Financial Calculator Plus or 42 Foundation Tools?
BA Financial Calculator Plus ships an update every 5 weeks, and 42 Foundation Tools fortnightly. Most recently, BA Financial Calculator Plus was updated on October 16, 2026 and 42 Foundation Tools on October 7, 2026.

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