# Finstery

> Financial planning tool for investors and retirees to stress-test portfolios. (iPhone/iPad app by Nicholas Summers.)

- Source: https://appshunter.io/ios/app/finstery/id6757093872 (this page in markdown: same URL + `.md`)
- Developer: [Nicholas Summers](https://appshunter.io/developer/1143547879)
- Category: Finance, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 26.0 · 8 MB
- Languages: English
- Released: 2026-01-19
- Data updated: 2026-06-05
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/finstery/id6757093872/reviews.md

## What is Finstery?

Finstery helps DIY investors and early retirees stress test their portfolios with confidence. Whether you're planning for financial independence or already retired, Finstery gives you the tools to see how your strategy holds up in the real world — and in the worst-case scenarios.

Use powerful backtesting to simulate your portfolio across decades of historical data. Run Monte Carlo simulations to visualize risk and uncertainty in future returns. Explore safe withdrawal strategies and understand how different allocations respond to inflation, recessions, and market volatility.

Finstery brings clarity to one of the biggest questions in early retirement: Is my plan resilient enough?

Built for independent thinkers. Designed for long horizons.

Finstery offers optional premium features via an auto-renewable subscription.

Free Features:
• Portfolio creation
• Historical backtesting summaries and statistics

Premium Features (Subscription Required):
• Monte Carlo simulations
• Safe Withdrawal Rate analysis

Subscription pricing and terms are clearly shown before purchase.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy:  http://finstery.com/#privacy_policy

## Key features

- Portfolio creation
- Historical backtesting
- Monte Carlo simulations
- Safe withdrawal rate analysis
- Inflation and volatility simulation

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Finstery Pro Access | $9.99 | per month |



## Frequently asked questions about Finstery

### What are the free features of Finstery?

Finstery offers free portfolio creation and historical backtesting summaries and statistics. These tools allow users to begin understanding their portfolio's past performance without a subscription.

### What premium features does Finstery offer?

The premium subscription unlocks advanced features like Monte Carlo simulations and Safe Withdrawal Rate analysis. These tools provide deeper insights into risk, uncertainty, and long-term retirement sustainability.

### How much does Finstery Pro Access cost?

Finstery Pro Access is available for $9.99 per month. Subscription pricing and terms are clearly displayed within the app before any purchase is made.

### Is Finstery available on Android devices?

Currently, Finstery is supported on iPhone and iPad. Information regarding Android compatibility is not available in the provided data.

### How often is Finstery updated?

The latest version of Finstery is 1.2, which was last updated on May 17, 2026. This indicates a recent update, suggesting active development.

### What is the age rating for Finstery?

Finstery has an age rating of 4+. This suggests it is suitable for a wide range of users, though its financial content is most relevant to adults.

### Does Finstery have ads?

No, Finstery does not contain advertisements. The app is ad-free, with optional premium features available through a subscription.

### What is the user sentiment for Finstery?

Finstery has a perfect rating of 5.0 stars from 1 rating. This indicates a highly positive initial user reception based on the available data.

## Version history (last 3 releases)

### 1.2 — 2026-05-17

• Mortgage Payoff vs. Investing Analysis
Introducing a powerful new tool to help you decide: should you pay off your mortgage early or invest instead?

Run a Monte Carlo simulation to compare strategies using realistic market return sequences, while accounting for taxes and inflation. Explore outcomes for paying off your mortgage, investing in the market, or using a blended approach.

Make more informed financial decisions with data-driven insights — not guesswork.

### 1.1 — 2026-02-07

Inflation is now included in the simulations!

### 1.0 — 2026-01-19

No release notes.

## More apps by Nicholas Summers

- [PropStager](https://appshunter.io/ios/app/propstager/id6473705468)
- [AcedCase](https://appshunter.io/ios/app/acedcase/id6746522249)

All apps by Nicholas Summers: https://appshunter.io/developer/1143547879

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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.*