# Marvin's Compound Calculator

> Marvin's Compound Calculator (iPhone/iPad app by Maojian Tang.)

- Source: https://appshunter.io/ios/app/marvins-compound-calculator/id6738075583 (this page in markdown: same URL + `.md`)
- Developer: [Maojian Tang](https://appshunter.io/developer/1006529690)
- Category: Utilities, Finance
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 12 MB
- Languages: English
- Released: 2024-11-14
- Data updated: 2025-12-07
- User reviews in markdown: https://appshunter.io/ios/app/marvins-compound-calculator/id6738075583/reviews.md

## What is Marvin's Compound Calculator?

The Compound Interest Calculator is a simple and user-friendly tool designed to calculate the returns on compound interest investments. Users only need to input the initial investment amount, annual interest rate, investment period, and compounding frequency, and the app will automatically calculate the final investment returns.

Basic Version Features:

Input initial principal, annual interest rate, compounding frequency, and investment duration.
Automatically calculate compound interest results and display the final amount.
Show detailed growth of interest and principal for each period.
Provide clear charts and tables to help users visualize the investment growth process.
Premium Features:
The Premium Compound Interest Calculator unlocks advanced features tailored for users who want a deeper analysis of investment returns.

Premium Version Features:

Advanced Calculation Options: Includes more complex calculations, such as various compounding frequencies (e.g., quarterly, monthly) and periodic additional investments.
Personalized Themes: Customize the app's appearance with multiple themes and interface styles to enhance the user experience.
Whether you’re a casual user or an investment expert, the Compound Interest Calculator provides accurate investment forecasts and a convenient financial management tool. The premium version’s additional features enable users to perform more efficient calculations and enjoy a personalized experience.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Marvin的复利计算器-去广告高级版 | $1.99 | one-time |
| Premium Version | $1.99 | one-time |



## Version history (last 2 releases)

### 1.1 — 2024-11-18

Provide the English version

### 1.0 — 2024-11-15

No release notes.

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## More apps by Maojian Tang

- [StopDoingList](https://appshunter.io/ios/app/stopdoinglist/id6744558862)
- [SlangPop](https://appshunter.io/ios/app/slangpop/id6744886874)
- [Quitlyst](https://appshunter.io/ios/app/quitlyst/id6745819703)
- [Hush Diary](https://appshunter.io/ios/app/hush-diary/id6746600047)
- [Calm Pop: Relaxation](https://appshunter.io/ios/app/calm-pop/id6748052399)

All apps by Maojian Tang: https://appshunter.io/developer/1006529690

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2025-12-07.*