Quick Interest Calculator vs Compounder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quick Interest Calculator
Easily calculate compound interest for your savings. Input your initial balance, monthly contributions, savings duration, and interest rate to see your potential growth. This tool simplifies financial planning without complex data entry.
- Compound interest calculation
- Input starting balance
- Input monthly savings
- Input years to save
- Input interest rate
- Quick results
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This quick compound interest calculator lets you quickly determine your savings. No typing required - just dial in your starting balance, monthly savings, years to save and the interest rate.
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!
Screenshots
Verdict
The clearest difference is rating: Compounder at 4.8 against Quick Interest Calculator's 3.3. Compounder also leads on update cadence (every 3 weeks vs every 22 months) and ratings volume (3.4K vs 24). Quick Interest Calculator's advantage is iOS requirement (10.0 vs 16.0). On price, review sentiment, 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.
Compounder holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: Compounder has 3.4K ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 55% of Quick Interest Calculator's written reviews are positive against 61% of Compounder's.
Quick Interest Calculator ships an update every 22 months, Compounder every 3 weeks. The most recent releases landed on September 18, 2026 and October 15, 2026 respectively.
| Parameter | Quick Interest Calculator | Compounder |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (24 ratings) | 4.8 (3.4K ratings) — better |
| Positive reviews | 54.5% of reviews | 61.4% of reviews — better |
| Number of ratings | 24 | 3.4K — better |
| Update frequency | Every 22 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 4 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Goran Rauker | James Bevins |
Customer experience
Quick Interest Calculator
Compounder
Bugs and requests
Quick Interest Calculator
Not enough reviews yet to summarise bugs or 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
In-app purchases
Quick Interest Calculator
No in-app purchases
Compounder
No in-app purchases
Questions
Is Quick Interest Calculator free?
Is Compounder free?
Which has better reviews, Quick Interest Calculator or Compounder?
Do Quick Interest Calculator or Compounder have ads?
Which is updated more often, Quick Interest Calculator or Compounder?
Other comparisons
