Comparison

Compounder vs RetireIQ Pro

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

Head to head
About

Compounder

Calculate the growth of savings and investments using compound interest. Explore how regular contributions and withdrawals impact your financial goals over time. Designed for anyone to understand and utilize the power of compounding for wealth building.

Highlights
  • Calculate compound interest
  • Flexible settings
  • Factor in periodic withdrawals
  • Factor in additional contributions
  • Easy-to-use interface
Features
Read full description

Compounder lets you easily calculate the power of compound interest to reach your financial goals—whether for savings, investments, or retirement planning. What is compound interest? Compound interest is the interest calculated on both the initial principal and the accumulated interest from previous periods. This powerful tool can make a big difference over time! Example: Imagine starting with $1,000 in savings, contributing $500 monthly at an 11% annual return. After 40 years, that account could grow to $4.38 million! Even small, regular contributions—like the average American car payment—can build lasting wealth. Features: Quickly calculate compound interest with flexible settings. Factor in periodic withdrawals or additional contributions to see how they affect your growth. Easy-to-use interface, designed for anyone wanting to understand and harness compound interest, without needing a finance background. You don’t need to be a Wall Street broker to become a millionaire. Start planning your financial future with Compounder today!

About

RetireIQ Pro

Plan your retirement with advanced tools used by financial planners. Model 401(k) growth, plan your spending in retirement, and run simulations to understand potential outcomes. Compare different strategies and export your plans.

Highlights
  • Model 401(k) and IRA growth
  • Plan retirement spending and withdrawals
  • Run Monte Carlo simulations
  • Compare withdrawal and Social Security strategies
  • Export plans to PDF/CSV
  • Private data storage on device
Features
Read full description

RetireIQ Pro helps you plan retirement with the same tools financial planners use, without the planner. 401(K) GROWTH Model your 401(k) or IRA growth with real inputs: salary, contribution rate, employer match tiers, vesting schedules, pay frequency, and fees. See exactly how your balance compounds year by year. DRAWDOWN PLANNING Plan how you'll spend down your savings in retirement across pre-tax, Roth, taxable, and HSA accounts. Model Required Minimum Distributions (RMDs) starting at age 73, Social Security timing, inflation, and taxes: see if your money lasts as long as you do. MONTE CARLO SIMULATION Instead of one fixed guess about market returns, run thousands of randomized scenarios to see a realistic range of outcomes and your actual probability of success. COMPARE STRATEGIES SIDE BY SIDE - Compare withdrawal orders (taxable-first vs. pre-tax-first vs. Roth-last) to see which minimizes lifetime taxes - Compare claiming Social Security at 62, 67, or 70 - Run sensitivity analysis on your return assumptions in real time SAVE, COMPARE, AND EXPORT Save any scenario as a named plan, compare two or more side by side, and export a polished PDF or CSV report to share, print, or archive. PRIVATE BY DESIGN Your financial data stays on your device and syncs privately through your own iCloud account, never to us. Optional Face ID / passcode lock keeps your numbers private even if someone else picks up your phone. RetireIQ Pro is free to download with full access to the 401(k) growth and drawdown calculators. A one-time purchase unlocks Monte Carlo simulation, all strategy comparisons, PDF/CSV export, and unlimited saved plans. No subscription. This app is a planning tool based on your own assumptions and inputs. It is not financial, tax, or legal advice. Please consult a licensed professional for advice specific to your situation.

Screenshots

Compounder3 screens
RetireIQ Pro4 screens

Verdict

The call

The clearest difference is monetization model: Compounder at free against RetireIQ Pro's free with in-app purchases. Compounder also leads on ratings volume (3.4K vs 1) and iOS requirement (16.0 vs 18.5). RetireIQ Pro's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

RetireIQ Pro holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Compounder has 3.4K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Compounder ships an update every 3 weeks, RetireIQ Pro every 6 weeks. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
Compounder versus RetireIQ Pro: the parameters behind the verdict, then further details
ParameterCompounderRetireIQ Pro
PriceFreeFree
Rating4.8 (3.4K ratings)5.0 (1 ratings) — better
Positive reviews61.4% of reviews—
Number of ratings3.4K — better1
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better18.5
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperJames BevinsLinda Felgenhauer

Customer experience

Compounder

All ratings3,438 ratings
Positive96.5%
Neutral1.7%
Negative1.8%
Written reviews57 reviews
Positive61.4%
Neutral12.3%
Negative26.3%

RetireIQ Pro

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

Bugs and requests

Compounder

Reported bugs

3 issues
  • Calculation issues with initial investment
  • Formatting issues on mobile devices
  • Crashes after short usage

Requested features

5 requests
  • Add percentage option for withdrawal
  • Allow adjusting periodic contributions (weekly, monthly, etc.)
  • Include daily compounding option
  • Add inflation adjustment to contributions and outputs
  • Create a widget version

RetireIQ Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Compounder

No in-app purchases

None

RetireIQ Pro

No in-app purchases

Questions

Is Compounder free?
Compounder is free to download, with no in-app purchases.
Is RetireIQ Pro free?
RetireIQ Pro is free to download, with no in-app purchases.
Which has better reviews, Compounder or RetireIQ Pro?
RetireIQ Pro is rated higher. Compounder averages 4.8 out of 5 from 3.4K ratings, while RetireIQ Pro averages 5.0 from 1 ratings.
Do Compounder or RetireIQ Pro have ads?
Neither Compounder nor RetireIQ Pro shows ads.
Which is updated more often, Compounder or RetireIQ Pro?
Compounder ships an update every 3 weeks, and RetireIQ Pro every 6 weeks. Most recently, Compounder was updated on October 20, 2026 and RetireIQ Pro on October 17, 2026.

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