Compounder vs Interest Calculator
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!
Interest Calculator
Easily calculate compound and simple interest on various investments like FDs, CDs, and RDs. Project future investment values and analyze returns with a user-friendly interface for global users.
- Compound & Simple Interest Calculation
- Fixed Deposit (FD) & CD Analysis
- Recurring Deposit (RD) Tracking
- Investment Return Projection
- User-Friendly Interface
- Global Bank & Investment Terms
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Looking for a powerful and versatile tool to manage your finances? The Interest Calculator app is designed for users from all countries, making it easy to calculate and understand various types of interest on your investments and savings. Whether you're dealing with fixed deposits (FD), certificates of deposit (CD), guaranteed investment certificates (GIC), recurring deposits (RD), or any other investment, this app is your go-to solution. Key Features: - Compound & Simple Interest: Calculate both compound and simple interest for accurate financial planning. - Fixed Deposits (FD): Quickly determine the returns on your fixed deposits with different terms and rates. - Certificates of Deposit (CD): Analyze your CD investments with ease, including interest rates and future values. - Guaranteed Investment Certificates (GIC): Get detailed calculations for GICs to plan your future investments. - Recurring Deposits (RD): Track and calculate the interest on your recurring deposits. - Investment Analysis: Evaluate different investment options and their potential returns. - Interest Rates: Input various interest rates to see how they affect your investment or savings. - Term & Time Calculations: Adjust the term and time period to suit your financial needs. - Fixed Deposits & Bonds: Comprehensive tools for calculating interest on fixed deposits and bonds. - Festgeld: Manage your Festgeld investments with precise calculations. - Future Value: Project the future value of your investments with compound and simple interest calculations. - Quick & Easy: User-friendly interface for quick and accurate results. - Bank & Investment Terms: Covers a wide range of bank and investment terms for global users. Whether you're a seasoned investor or just starting to save, the Interest Calculator app provides the tools you need to make informed financial decisions. Download now and take control of your financial future!
Screenshots
Verdict
The clearest difference is in-app purchases: Compounder at none against Interest Calculator's 2. Compounder also leads on review sentiment (61% vs 40%) and ratings volume (4.3K vs 83). Interest Calculator's advantage is iOS requirement (14.0 vs 16.0). On price, update cadence, 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
Both are free to download. Interest Calculator sells 2 in-app purchases, starting at $2.99 per year. Compounder asks for nothing beyond the download.
Compounder holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Compounder has 4.3K ratings behind it against 83, so its average is the more settled of the two. Written reviews point the same way: 61% of Compounder's written reviews are positive against 40% of Interest Calculator's.
Compounder ships an update every 3 weeks, Interest Calculator every 5 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | Compounder | Interest Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.3K ratings) — better | 4.6 (83 ratings) |
| Positive reviews | 61.4% of reviews — better | 40.0% of reviews |
| Number of ratings | 4.3K — better | 83 |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | James Bevins | Jatin Maniya |
Customer experience
Compounder
Interest Calculator
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
Interest Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Compounder
No in-app purchases
Interest Calculator
- Interest Calculator Premium$2.991 Year
- Lifetime Access$9.99
Questions
Is Compounder free?
Is Interest Calculator free?
Which has better reviews, Compounder or Interest Calculator?
Do Compounder or Interest Calculator have ads?
Which is updated more often, Compounder or Interest Calculator?
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