# simpleFIRE: FIRE Calculator — Compound Interest Calculator

> Financial planning calculator with intuitive sliders and advanced settings. (iPhone/iPad app by DAWID MICHAL MILCZAREK.)

- Source: https://appshunter.io/ios/app/simplefire-fire-calculator/id6504460384 (this page in markdown: same URL + `.md`)
- Developer: [DAWID MICHAL MILCZAREK](https://appshunter.io/developer/1752376249)
- Category: Finance, Utilities
- Price: Free with in-app purchases (on sale, was $3.99)
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: American English
- Released: 2024-06-19
- Data updated: 2026-06-05
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/simplefire-fire-calculator/id6504460384/reviews.md

## What is simpleFIRE?

- Use intuitive sliders for effortless input of your financial details. Quickly adjust your initial investment, regular contributions, investment period, and expected interest rates. Watch how your money grows over time with ease.

- Enjoy a clean, user-friendly interface that simplifies financial planning. When you're ready, dive into advanced settings like withdrawal rates, inflation adjustments, and more. All the power of complex tools, made easy.

- Experience an ad-free, distraction-free app. A one-time payment unlocks advanced settings, giving you lifetime access with no recurring subscriptions. Compatible with iPhone, iPad, and Mac (optimized for iPad) at no additional cost.

- Your financial data stays on your device, ensuring your privacy. We don’t collect any data, and the app requires no permissions, keeping your information safe and secure.

## Key features

- Intuitive sliders for financial input
- Compound interest calculation
- Advanced settings (withdrawal rates, inflation)
- Ad-free experience
- One-time payment for lifetime access
- Privacy-focused, no data collection

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Advanced Settings | $24.99 | one-time |



## Frequently asked questions about simpleFIRE

### What is simpleFIRE?

simpleFIRE is a financial planning calculator designed to help users estimate their path to financial independence. It uses intuitive sliders and advanced settings to model compound interest and growth over time.

### Does simpleFIRE have ads?

No, simpleFIRE offers an ad-free experience. This allows for a distraction-free environment to focus on your financial planning.

### How much does simpleFIRE cost?

The app is free to download and use. Advanced settings are unlocked with a one-time payment, providing lifetime access without recurring subscriptions.

### What devices is simpleFIRE compatible with?

simpleFIRE is compatible with iPhone, iPad, and Mac devices. It is optimized for iPad and is available at no additional cost on these platforms.

### Is my financial data safe with simpleFIRE?

Yes, your financial data stays on your device. The app does not collect any user data and requires no permissions, ensuring your information is kept private and secure.

### How often is simpleFIRE updated?

The latest version, 1.6, was released on 2025-12-07. While specific update frequency isn't detailed, the app has seen recent updates, indicating ongoing development.

### What are the advanced settings in simpleFIRE?

Advanced settings include options like withdrawal rates and inflation adjustments, allowing for more detailed and realistic financial projections beyond basic compound interest calculations.

### What is the age rating for simpleFIRE?

simpleFIRE has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger individuals learning about finance.

## Version history (last 5 releases)

### 1.6 — 2025-12-07

- iOS 26 adjustments
- UI improvements

### 1.5 — 2025-02-27

- Simplified UI for a cleaner, more intuitive experience.
- Improved app stability and performance.

### 1.4 — 2025-01-02

- Multi-Currency Support: Added support for different currencies.
- Simplified Slider Settings: Customizing values is now easier and more intuitive.
- UI Enhancements: The interface is now more refined and user-friendly.
- Improved Stability

### 1.3.1 — 2024-09-19

- Enhanced Clarity on Advanced Settings: A more detailed breakdown of what you unlock with advanced settings, helping you make more informed decisions.
- Improved Purchase/Restore Screen: The purchase and restore in-app purchase experience is now smoother and more intuitive.

### 1.3 — 2024-09-18

What's New in Version 1.3:
- New Contribution Increase Feature: Added a setting to enable an annual contribution increase, allowing for more dynamic financial planning.
- Enhanced Details View: Improved the presentation of the details view, including enhanced graph visuals and a yearly breakdown for better insights.
- Calculation Fixes: Fixed errors affecting specific settings in the financial calculations, providing more accurate results.
- Simplified Advanced Settings: Streamlined advanced settings for easier configuration and better usability.
- Transition to Free App with IAP: The app has switched from a paid model to a free version with an In-App Purchase (IAP) for premium features. Users who previously purchased the paid version can unlock the premium features for free using the "Restore Purchase" function.
- Removed Taxation Settings: Removed the taxation settings due to difficulties in providing accurate calculations across different countries.
- Improved App Stability: Enhanced app stability for a smoother and more reliable user experience.

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## More apps by DAWID MICHAL MILCZAREK

- [simpleSTT - Transcription App](https://appshunter.io/ios/app/simplestt-transcription-app/id6740704494)

All apps by DAWID MICHAL MILCZAREK: https://appshunter.io/developer/1752376249

## Related topics

[coast fire calculator](https://appshunter.io/ios/topics/coast-fire-calculator) · [fire calculator](https://appshunter.io/ios/topics/fire-calculator)

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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 2026-06-05.*