Comparison

inNumerate vs CompoundFX

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

Head to head
About

inNumerate

This app helps you experiment with various financial scenarios. Calculate savings for retirement or purchases, loan payments, and final sale prices. It also assists with splitting bills and calculating tips.

Highlights
  • Retirement savings calculation
  • Purchase savings planning
  • Loan payment and interest calculation
  • Final sale price calculation
  • Bill splitting and tip calculation
Features
Read full description

Easily Experiment With Your Financial Decision Scenarios ○ calculate how much you need to save to retire or make a purchase ○ calculate how long your savings will last in retirement ○ calculate a loans payments and cost of the interest you pay ○ calculate a final sale price ○ calculate a bill plus tip and optionally split the bill Plan Your Future Financial Independence

About

CompoundFX

Features
Read full description

CompoundFX is the compound interest calculator that shows you what it takes, not just what you'll have. Model investment growth, plan for retirement, and pressure-test your FIRE goals with precision. Set a goal, $1M by age 60, a down payment, or a college fund, and CompoundFX solves for the missing piece. The rate you’ll need. The years it will take. The deposit you have to make. No more guessing. No more trial and error. GOAL MODE Pick your goal. Choose what to solve for. CompoundFX does the financial math. - Solve for Rate of Return - Solve for Time Horizon - Solve for Starting Principal - Solve for Monthly Contribution COMPARE SCENARIOS Should you save more or invest longer? Pay off debt or boost your 401(k)? Save scenarios and put them head-to-head. See the difference, the total dollar impact, and exactly when one strategy pulls ahead. A CALCULATOR THAT SHOWS ITS WORK - Real-time growth chart with milestone markers ($100K, $250K, $1M) - Year-by-year breakdown with full transparency - Inflation, Taxes, and Expense Ratios: See what you actually keep after fee drag - Daily, weekly, monthly, or annual contributions - Custom compounding intervals (Daily to Annually) - Sub-year precision for short-horizon plans DESIGNED FOR iPHONE & INDIE DEV Dark glass UI. Smooth haptics. Built natively in SwiftUI for iOS 17 and up. No accounts. No ads. No tracking. Your scenarios stay locally on your device. EXPORT AND SHARE Generate a polished two-page PDF report with an executive summary, growth chart, and full milestone breakdown. Or share a branded image to text or social media. FREE FEATURES - Full compound interest calculator - Real-time growth chart and year-by-year table - Inflation, tax, and expense adjustments - Custom contribution and compounding schedules - Branded image sharing PRO: $4.99 (ONE-TIME PURCHASE) - Goal Mode (Solve for any missing variable) - Save unlimited scenarios - Compare scenarios side-by-side - Export two-page PDF reports One purchase. Unlocked forever. Family Sharing fully supported. WHO IT'S FOR Whether you're starting your first Roth IRA, managing index funds, planning early retirement, modeling a college fund, or tracking a Bogleheads portfolio, CompoundFX gives you the answer in seconds. PRIVACY FIRST CompoundFX is fully offline. No data collection. No accounts required. No analytics. No third-party SDKs. Your personal finance data is stored safely on your device. DISCLAIMER CompoundFX is for educational and planning purposes. It does not provide investment, tax, or financial advice. Returns shown are projections based on the inputs you provide and do not guarantee actual investment performance. Questions or feedback? support@originsoftware.net

Screenshots

inNumerate4 screens
CompoundFX4 screens

Verdict

The call

The clearest difference is in-app purchases: inNumerate at none against CompoundFX's 1. CompoundFX's advantage is update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement 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. CompoundFX sells 1 one-off in-app purchase. inNumerate asks for nothing beyond the download.

UpkeepUpdate frequency

inNumerate ships an update every 5 months, CompoundFX every 2 months. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 8 level
inNumerate versus CompoundFX: the parameters behind the verdict, then further details
ParameterinNumerateCompoundFX
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size4 MB4 MB
Age rating4+4+
DeveloperUnit Radius LLCOrigin Software, Inc.

In-app purchases

None

inNumerate

No in-app purchases

1 purchases

CompoundFX

One-time1
  • CompoundFX Pro$4.99

Questions

Is inNumerate free?
inNumerate is free to download, with no in-app purchases.
Is CompoundFX free?
CompoundFX is free to download, with in-app purchases available.
Do inNumerate or CompoundFX have ads?
Neither inNumerate nor CompoundFX shows ads.
Which is updated more often, inNumerate or CompoundFX?
inNumerate ships an update every 5 months, and CompoundFX every 2 months. Most recently, inNumerate was updated on September 8, 2026 and CompoundFX on September 18, 2026.

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