Instant Compound Calculator
Shun Isayama Finance iPhoneiPadiPod touch
Instant Compound Calculator is a paid Finance app for iPhone and iPad by Shun Isayama. Requires iOS 17.6. Updated August 3, 2026.
- Price
- 2.99 USD
- on the App Store
- Size
- 6 MB
- Age 4+
- Updated
- Aug 3
- 2026 · v1.7
Screenshots
About Instant Compound Calculator
A powerful compound interest calculator that instantly handles complex accumulation calculations! Simple operation with highly accurate results. <App Features> 1. Simple and intuitive UI: Just input principal, monthly contribution, annual rate, and years elapsed for easy accumulation calculations. The visually clear design ensures even first-time users can confidently use it. 2. Lightning-fast calculation: Tap the "Calculate" button after input to instantly view results. Confirm the power of accumulation investing right away. 3. Detailed results: Results displayed year-by-year up to the elapsed period. View total principal, total amount, and interest totals for each year in detail. Future asset growth at a glance! 4. User-friendly input keyboard: Optimized keyboard type for numeric input with easy close button. 5. Error prevention: Detects invalid inputs and notifies users with error messages. Enables accurate calculations with peace of mind. <Recommended For> * Investors (beginner to advanced): Simulate accumulation growth for future planning. Ideal for those already practicing accumulation investing. * Household managers: Understand long-term effects of regular savings and investments concretely * Financial planners: Use for asset-building advice to clients * Educators: Financial education tool for students * Economics learners: Learn compound interest and accumulation synergy hands-on <Accumulation Compound Mechanism> * Combines monthly contributions with compound interest effects * Adds monthly interest and reflects contributions * Displays cumulative annual growth Simple operation for precise accumulation calculations, anytime anywhere. Your essential tool for long-term asset building! Download now and see how your assets will grow! Paid app with no ads whatsoever.
What’s new
Version 1.7 · Updated August 3, 2026
Multilingual support (Traditional Chinese, Italian, Dutch, Turkish, Swedish, Norwegian, Danish, and Brazilian Portuguese)
App privacy
The developer, Shun Isayama, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Instant Compound Calculator
Looking for apps like Instant Compound Calculator? Here are 6 similar apps on the App Store. The highest rated is Fukurich – Compound Interest (5.0/5), and 5 of the 6 are free to download.
-
FIRE Cat
-
複利計算プロ
-
Fukurich – Compound Interest
5.0
-
OneMoney+ - Net Worth Tracker
-
newCompound
-
3Up2Down 家計簿
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Instant Compound Calculator | – | 2.99 USD | August 3, 2026 | |
| FIRE Cat | – | Free | Oct 14, 2024 | Compare |
| 複利計算プロ | – | Free | Sep 22, 2025 | Compare |
| Fukurich – Compound Interest | 5.0 / 5 (1) | Free | Mar 23, 2026 | Compare |
| OneMoney+ - Net Worth Tracker | – | 49.99 USD | Oct 21, 2026 | Compare |
| newCompound | – | Free | Jan 25, 2024 | Compare |
| 3Up2Down 家計簿 | – | Free | Jul 31, 2026 | Compare |