Compounder vs RetireIQ Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calculate compound interest
- Flexible settings
- Factor in periodic withdrawals
- Factor in additional contributions
- Easy-to-use interface
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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!
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Compounder | RetireIQ Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (3.4K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 61.4% of reviews | — |
| Number of ratings | 3.4K — better | 1 |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | James Bevins | Linda Felgenhauer |
Customer experience
Compounder
RetireIQ Pro
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
Compounder
No in-app purchases
RetireIQ Pro
No in-app purchases
Questions
Is Compounder free?
Is RetireIQ Pro free?
Which has better reviews, Compounder or RetireIQ Pro?
Do Compounder or RetireIQ Pro have ads?
Which is updated more often, Compounder or RetireIQ Pro?
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